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SKAGIT - ROSS RESERVOIR (RODW1)
Forecasts for Water Year
2027
Natural Forecast
ESP with 10 Days QPF     Ensemble: 2026-10-22 Issued: 2026-10-22 Hide Forecast
Forecasts Are in KAF 30 Year
Average

(1991-2020)
90 % 50 % %
Average
10 %
APR-SEP 926 1418 93 2022 1527
APR-JUL 768 1232 91 1776 1347
APR-AUG 865 1341 92 1948 1457
JAN-SEP 1161 1722 90 2387 1914
JAN-JUL 992 1502 87 2139 1734
OCT-SEP 1343 1949 83 2676 2341
Experimental
HEFS with 15 days EQPF    Ensemble: 2026-10-22  Issued: 2026-10-22 Hide Forecast
APR-SEP 911 1394 91 2014 1527
APR-JUL 749 1208 90 1766 1347
APR-AUG 848 1317 90 1940 1457
JAN-SEP 1163 1701 89 2381 1914
JAN-JUL 995 1505 87 2130 1734
OCT-SEP 1336 1934 83 2658 2341
Reference
ESP with 0 Days QPF    Ensemble: 2026-10-22  Issued: 2026-10-22 Hide Forecast
APR-SEP 959 1424 93 2063 1527
APR-JUL 792 1238 92 1811 1347
APR-AUG 895 1347 92 1988 1457
JAN-SEP 1257 1750 91 2471 1914
JAN-JUL 1087 1563 90 2178 1734
OCT-SEP 1481 2089 89 2786 2341
Move the mouse over the desired "Forecast Period" to display a graph.
<table id=popup_table>
                     <tr><td id=popup_table_td_ESPTYPE colspan=2>ESP10<br><label id=popup_table_td_date>Oct 2, 2026</label></td></tr>
                     <tr><td id=popup_table_td_data_max>MAX:</td><td id=popup_table_td_data>2621</td></tr>
                     <tr><td id=popup_table_td_data_10>10%:</td><td id=popup_table_td_data>2095</td></tr>
                     <tr><td id=popup_table_td_data_25>25%:</td><td id=popup_table_td_data>1623</td></tr>
                     <tr><td id=popup_table_td_data_50>50%:</td><td id=popup_table_td_data_50>1424</td></tr>
                     <tr><td id=popup_table_td_data_75>75%:</td><td id=popup_table_td_data>1213</td></tr>
                     <tr><td id=popup_table_td_data_90>90%:</td><td id=popup_table_td_data>959</td></tr>
                     <tr><td id=popup_table_td_data_min>MIN:</td><td id=popup_table_td_data>797</td></tr>
                   </table> <table id=popup_table>
                     <tr><td id=popup_table_td_ESPTYPE colspan=2>ESP10<br><label id=popup_table_td_date>Oct 3, 2026</label></td></tr>
                     <tr><td id=popup_table_td_data_max>MAX:</td><td id=popup_table_td_data>2621</td></tr>
                     <tr><td id=popup_table_td_data_10>10%:</td><td id=popup_table_td_data>2090</td></tr>
                     <tr><td id=popup_table_td_data_25>25%:</td><td id=popup_table_td_data>1605</td></tr>
                     <tr><td id=popup_table_td_data_50>50%:</td><td id=popup_table_td_data_50>1424</td></tr>
                     <tr><td id=popup_table_td_data_75>75%:</td><td id=popup_table_td_data>1213</td></tr>
                     <tr><td id=popup_table_td_data_90>90%:</td><td id=popup_table_td_data>959</td></tr>
                     <tr><td id=popup_table_td_data_min>MIN:</td><td id=popup_table_td_data>797</td></tr>
                   </table> <table id=popup_table>
                     <tr><td id=popup_table_td_ESPTYPE colspan=2>ESP10<br><label id=popup_table_td_date>Oct 4, 2026</label></td></tr>
                     <tr><td id=popup_table_td_data_max>MAX:</td><td id=popup_table_td_data>2620</td></tr>
                     <tr><td id=popup_table_td_data_10>10%:</td><td id=popup_table_td_data>2087</td></tr>
                     <tr><td id=popup_table_td_data_25>25%:</td><td id=popup_table_td_data>1604</td></tr>
                     <tr><td id=popup_table_td_data_50>50%:</td><td id=popup_table_td_data_50>1424</td></tr>
                     <tr><td id=popup_table_td_data_75>75%:</td><td id=popup_table_td_data>1213</td></tr>
                     <tr><td id=popup_table_td_data_90>90%:</td><td id=popup_table_td_data>959</td></tr>
                     <tr><td id=popup_table_td_data_min>MIN:</td><td id=popup_table_td_data>798</td></tr>
                   </table> <table id=popup_table>
                     <tr><td id=popup_table_td_ESPTYPE colspan=2>ESP10<br><label id=popup_table_td_date>Oct 5, 2026</label></td></tr>
                     <tr><td id=popup_table_td_data_max>MAX:</td><td id=popup_table_td_data>2618</td></tr>
                     <tr><td id=popup_table_td_data_10>10%:</td><td id=popup_table_td_data>2081</td></tr>
                     <tr><td id=popup_table_td_data_25>25%:</td><td id=popup_table_td_data>1600</td></tr>
                     <tr><td id=popup_table_td_data_50>50%:</td><td id=popup_table_td_data_50>1424</td></tr>
                     <tr><td id=popup_table_td_data_75>75%:</td><td id=popup_table_td_data>1213</td></tr>
                     <tr><td id=popup_table_td_data_90>90%:</td><td id=popup_table_td_data>959</td></tr>
                     <tr><td id=popup_table_td_data_min>MIN:</td><td id=popup_table_td_data>797</td></tr>
                   </table> <table id=popup_table>
                     <tr><td id=popup_table_td_ESPTYPE colspan=2>ESP10<br><label id=popup_table_td_date>Oct 6, 2026</label></td></tr>
                     <tr><td id=popup_table_td_data_max>MAX:</td><td id=popup_table_td_data>2620</td></tr>
                     <tr><td id=popup_table_td_data_10>10%:</td><td id=popup_table_td_data>2079</td></tr>
                     <tr><td id=popup_table_td_data_25>25%:</td><td id=popup_table_td_data>1602</td></tr>
                     <tr><td id=popup_table_td_data_50>50%:</td><td id=popup_table_td_data_50>1424</td></tr>
                     <tr><td id=popup_table_td_data_75>75%:</td><td id=popup_table_td_data>1213</td></tr>
                     <tr><td id=popup_table_td_data_90>90%:</td><td id=popup_table_td_data>959</td></tr>
                     <tr><td id=popup_table_td_data_min>MIN:</td><td id=popup_table_td_data>797</td></tr>
                   </table> <table id=popup_table>
                     <tr><td id=popup_table_td_ESPTYPE colspan=2>ESP10<br><label id=popup_table_td_date>Oct 7, 2026</label></td></tr>
                     <tr><td id=popup_table_td_data_max>MAX:</td><td id=popup_table_td_data>2617</td></tr>
                     <tr><td id=popup_table_td_data_10>10%:</td><td id=popup_table_td_data>2077</td></tr>
                     <tr><td id=popup_table_td_data_25>25%:</td><td id=popup_table_td_data>1600</td></tr>
                     <tr><td id=popup_table_td_data_50>50%:</td><td id=popup_table_td_data_50>1424</td></tr>
                     <tr><td id=popup_table_td_data_75>75%:</td><td id=popup_table_td_data>1212</td></tr>
                     <tr><td id=popup_table_td_data_90>90%:</td><td id=popup_table_td_data>959</td></tr>
                     <tr><td id=popup_table_td_data_min>MIN:</td><td id=popup_table_td_data>797</td></tr>
                   </table> <table id=popup_table>
                     <tr><td id=popup_table_td_ESPTYPE colspan=2>ESP10<br><label id=popup_table_td_date>Oct 8, 2026</label></td></tr>
                     <tr><td id=popup_table_td_data_max>MAX:</td><td id=popup_table_td_data>2617</td></tr>
                     <tr><td id=popup_table_td_data_10>10%:</td><td id=popup_table_td_data>2071</td></tr>
                     <tr><td id=popup_table_td_data_25>25%:</td><td id=popup_table_td_data>1601</td></tr>
                     <tr><td id=popup_table_td_data_50>50%:</td><td id=popup_table_td_data_50>1424</td></tr>
                     <tr><td id=popup_table_td_data_75>75%:</td><td id=popup_table_td_data>1212</td></tr>
                     <tr><td id=popup_table_td_data_90>90%:</td><td id=popup_table_td_data>959</td></tr>
                     <tr><td id=popup_table_td_data_min>MIN:</td><td id=popup_table_td_data>797</td></tr>
                   </table> <table id=popup_table>
                     <tr><td id=popup_table_td_ESPTYPE colspan=2>ESP10<br><label id=popup_table_td_date>Oct 9, 2026</label></td></tr>
                     <tr><td id=popup_table_td_data_max>MAX:</td><td id=popup_table_td_data>2616</td></tr>
                     <tr><td id=popup_table_td_data_10>10%:</td><td id=popup_table_td_data>2069</td></tr>
                     <tr><td id=popup_table_td_data_25>25%:</td><td id=popup_table_td_data>1600</td></tr>
                     <tr><td id=popup_table_td_data_50>50%:</td><td id=popup_table_td_data_50>1424</td></tr>
                     <tr><td id=popup_table_td_data_75>75%:</td><td id=popup_table_td_data>1212</td></tr>
                     <tr><td id=popup_table_td_data_90>90%:</td><td id=popup_table_td_data>959</td></tr>
                     <tr><td id=popup_table_td_data_min>MIN:</td><td id=popup_table_td_data>797</td></tr>
                   </table> <table id=popup_table>
                     <tr><td id=popup_table_td_ESPTYPE colspan=2>ESP10<br><label id=popup_table_td_date>Oct 10, 2026</label></td></tr>
                     <tr><td id=popup_table_td_data_max>MAX:</td><td id=popup_table_td_data>2617</td></tr>
                     <tr><td id=popup_table_td_data_10>10%:</td><td id=popup_table_td_data>2069</td></tr>
                     <tr><td id=popup_table_td_data_25>25%:</td><td id=popup_table_td_data>1602</td></tr>
                     <tr><td id=popup_table_td_data_50>50%:</td><td id=popup_table_td_data_50>1424</td></tr>
                     <tr><td id=popup_table_td_data_75>75%:</td><td id=popup_table_td_data>1212</td></tr>
                     <tr><td id=popup_table_td_data_90>90%:</td><td id=popup_table_td_data>959</td></tr>
                     <tr><td id=popup_table_td_data_min>MIN:</td><td id=popup_table_td_data>797</td></tr>
                   </table> <table id=popup_table>
                     <tr><td id=popup_table_td_ESPTYPE colspan=2>ESP10<br><label id=popup_table_td_date>Oct 11, 2026</label></td></tr>
                     <tr><td id=popup_table_td_data_max>MAX:</td><td id=popup_table_td_data>2619</td></tr>
                     <tr><td id=popup_table_td_data_10>10%:</td><td id=popup_table_td_data>2065</td></tr>
                     <tr><td id=popup_table_td_data_25>25%:</td><td id=popup_table_td_data>1604</td></tr>
                     <tr><td id=popup_table_td_data_50>50%:</td><td id=popup_table_td_data_50>1424</td></tr>
                     <tr><td id=popup_table_td_data_75>75%:</td><td id=popup_table_td_data>1212</td></tr>
                     <tr><td id=popup_table_td_data_90>90%:</td><td id=popup_table_td_data>960</td></tr>
                     <tr><td id=popup_table_td_data_min>MIN:</td><td id=popup_table_td_data>797</td></tr>
                   </table> <table id=popup_table>
                     <tr><td id=popup_table_td_ESPTYPE colspan=2>ESP10<br><label id=popup_table_td_date>Oct 12, 2026</label></td></tr>
                     <tr><td id=popup_table_td_data_max>MAX:</td><td id=popup_table_td_data>2619</td></tr>
                     <tr><td id=popup_table_td_data_10>10%:</td><td id=popup_table_td_data>2065</td></tr>
                     <tr><td id=popup_table_td_data_25>25%:</td><td id=popup_table_td_data>1606</td></tr>
                     <tr><td id=popup_table_td_data_50>50%:</td><td id=popup_table_td_data_50>1424</td></tr>
                     <tr><td id=popup_table_td_data_75>75%:</td><td id=popup_table_td_data>1213</td></tr>
                     <tr><td id=popup_table_td_data_90>90%:</td><td id=popup_table_td_data>961</td></tr>
                     <tr><td id=popup_table_td_data_min>MIN:</td><td id=popup_table_td_data>798</td></tr>
                   </table> <table id=popup_table>
                     <tr><td id=popup_table_td_ESPTYPE colspan=2>ESP10<br><label id=popup_table_td_date>Oct 13, 2026</label></td></tr>
                     <tr><td id=popup_table_td_data_max>MAX:</td><td id=popup_table_td_data>2620</td></tr>
                     <tr><td id=popup_table_td_data_10>10%:</td><td id=popup_table_td_data>2067</td></tr>
                     <tr><td id=popup_table_td_data_25>25%:</td><td id=popup_table_td_data>1608</td></tr>
                     <tr><td id=popup_table_td_data_50>50%:</td><td id=popup_table_td_data_50>1424</td></tr>
                     <tr><td id=popup_table_td_data_75>75%:</td><td id=popup_table_td_data>1212</td></tr>
                     <tr><td id=popup_table_td_data_90>90%:</td><td id=popup_table_td_data>964</td></tr>
                     <tr><td id=popup_table_td_data_min>MIN:</td><td id=popup_table_td_data>803</td></tr>
                   </table> <table id=popup_table>
                     <tr><td id=popup_table_td_ESPTYPE colspan=2>ESP10<br><label id=popup_table_td_date>Oct 14, 2026</label></td></tr>
                     <tr><td id=popup_table_td_data_max>MAX:</td><td id=popup_table_td_data>2618</td></tr>
                     <tr><td id=popup_table_td_data_10>10%:</td><td id=popup_table_td_data>2063</td></tr>
                     <tr><td id=popup_table_td_data_25>25%:</td><td id=popup_table_td_data>1602</td></tr>
                     <tr><td id=popup_table_td_data_50>50%:</td><td id=popup_table_td_data_50>1424</td></tr>
                     <tr><td id=popup_table_td_data_75>75%:</td><td id=popup_table_td_data>1209</td></tr>
                     <tr><td id=popup_table_td_data_90>90%:</td><td id=popup_table_td_data>957</td></tr>
                     <tr><td id=popup_table_td_data_min>MIN:</td><td id=popup_table_td_data>796</td></tr>
                   </table> <table id=popup_table>
                     <tr><td id=popup_table_td_ESPTYPE colspan=2>ESP10<br><label id=popup_table_td_date>Oct 15, 2026</label></td></tr>
                     <tr><td id=popup_table_td_data_max>MAX:</td><td id=popup_table_td_data>2617</td></tr>
                     <tr><td id=popup_table_td_data_10>10%:</td><td id=popup_table_td_data>2062</td></tr>
                     <tr><td id=popup_table_td_data_25>25%:</td><td id=popup_table_td_data>1601</td></tr>
                     <tr><td id=popup_table_td_data_50>50%:</td><td id=popup_table_td_data_50>1423</td></tr>
                     <tr><td id=popup_table_td_data_75>75%:</td><td id=popup_table_td_data>1208</td></tr>
                     <tr><td id=popup_table_td_data_90>90%:</td><td id=popup_table_td_data>956</td></tr>
                     <tr><td id=popup_table_td_data_min>MIN:</td><td id=popup_table_td_data>790</td></tr>
                   </table> <table id=popup_table>
                     <tr><td id=popup_table_td_ESPTYPE colspan=2>ESP10<br><label id=popup_table_td_date>Oct 16, 2026</label></td></tr>
                     <tr><td id=popup_table_td_data_max>MAX:</td><td id=popup_table_td_data>2617</td></tr>
                     <tr><td id=popup_table_td_data_10>10%:</td><td id=popup_table_td_data>2063</td></tr>
                     <tr><td id=popup_table_td_data_25>25%:</td><td id=popup_table_td_data>1601</td></tr>
                     <tr><td id=popup_table_td_data_50>50%:</td><td id=popup_table_td_data_50>1425</td></tr>
                     <tr><td id=popup_table_td_data_75>75%:</td><td id=popup_table_td_data>1204</td></tr>
                     <tr><td id=popup_table_td_data_90>90%:</td><td id=popup_table_td_data>954</td></tr>
                     <tr><td id=popup_table_td_data_min>MIN:</td><td id=popup_table_td_data>790</td></tr>
                   </table> <table id=popup_table>
                     <tr><td id=popup_table_td_ESPTYPE colspan=2>ESP10<br><label id=popup_table_td_date>Oct 17, 2026</label></td></tr>
                     <tr><td id=popup_table_td_data_max>MAX:</td><td id=popup_table_td_data>2619</td></tr>
                     <tr><td id=popup_table_td_data_10>10%:</td><td id=popup_table_td_data>2064</td></tr>
                     <tr><td id=popup_table_td_data_25>25%:</td><td id=popup_table_td_data>1602</td></tr>
                     <tr><td id=popup_table_td_data_50>50%:</td><td id=popup_table_td_data_50>1424</td></tr>
                     <tr><td id=popup_table_td_data_75>75%:</td><td id=popup_table_td_data>1201</td></tr>
                     <tr><td id=popup_table_td_data_90>90%:</td><td id=popup_table_td_data>953</td></tr>
                     <tr><td id=popup_table_td_data_min>MIN:</td><td id=popup_table_td_data>790</td></tr>
                   </table> <table id=popup_table>
                     <tr><td id=popup_table_td_ESPTYPE colspan=2>ESP10<br><label id=popup_table_td_date>Oct 18, 2026</label></td></tr>
                     <tr><td id=popup_table_td_data_max>MAX:</td><td id=popup_table_td_data>2619</td></tr>
                     <tr><td id=popup_table_td_data_10>10%:</td><td id=popup_table_td_data>2059</td></tr>
                     <tr><td id=popup_table_td_data_25>25%:</td><td id=popup_table_td_data>1599</td></tr>
                     <tr><td id=popup_table_td_data_50>50%:</td><td id=popup_table_td_data_50>1423</td></tr>
                     <tr><td id=popup_table_td_data_75>75%:</td><td id=popup_table_td_data>1198</td></tr>
                     <tr><td id=popup_table_td_data_90>90%:</td><td id=popup_table_td_data>951</td></tr>
                     <tr><td id=popup_table_td_data_min>MIN:</td><td id=popup_table_td_data>790</td></tr>
                   </table> <table id=popup_table>
                     <tr><td id=popup_table_td_ESPTYPE colspan=2>ESP10<br><label id=popup_table_td_date>Oct 19, 2026</label></td></tr>
                     <tr><td id=popup_table_td_data_max>MAX:</td><td id=popup_table_td_data>2619</td></tr>
                     <tr><td id=popup_table_td_data_10>10%:</td><td id=popup_table_td_data>2050</td></tr>
                     <tr><td id=popup_table_td_data_25>25%:</td><td id=popup_table_td_data>1600</td></tr>
                     <tr><td id=popup_table_td_data_50>50%:</td><td id=popup_table_td_data_50>1423</td></tr>
                     <tr><td id=popup_table_td_data_75>75%:</td><td id=popup_table_td_data>1195</td></tr>
                     <tr><td id=popup_table_td_data_90>90%:</td><td id=popup_table_td_data>947</td></tr>
                     <tr><td id=popup_table_td_data_min>MIN:</td><td id=popup_table_td_data>790</td></tr>
                   </table> <table id=popup_table>
                     <tr><td id=popup_table_td_ESPTYPE colspan=2>ESP10<br><label id=popup_table_td_date>Oct 20, 2026</label></td></tr>
                     <tr><td id=popup_table_td_data_max>MAX:</td><td id=popup_table_td_data>2617</td></tr>
                     <tr><td id=popup_table_td_data_10>10%:</td><td id=popup_table_td_data>2041</td></tr>
                     <tr><td id=popup_table_td_data_25>25%:</td><td id=popup_table_td_data>1599</td></tr>
                     <tr><td id=popup_table_td_data_50>50%:</td><td id=popup_table_td_data_50>1422</td></tr>
                     <tr><td id=popup_table_td_data_75>75%:</td><td id=popup_table_td_data>1192</td></tr>
                     <tr><td id=popup_table_td_data_90>90%:</td><td id=popup_table_td_data>941</td></tr>
                     <tr><td id=popup_table_td_data_min>MIN:</td><td id=popup_table_td_data>790</td></tr>
                   </table> <table id=popup_table>
                     <tr><td id=popup_table_td_ESPTYPE colspan=2>ESP10<br><label id=popup_table_td_date>Oct 21, 2026</label></td></tr>
                     <tr><td id=popup_table_td_data_max>MAX:</td><td id=popup_table_td_data>2624</td></tr>
                     <tr><td id=popup_table_td_data_10>10%:</td><td id=popup_table_td_data>2035</td></tr>
                     <tr><td id=popup_table_td_data_25>25%:</td><td id=popup_table_td_data>1591</td></tr>
                     <tr><td id=popup_table_td_data_50>50%:</td><td id=popup_table_td_data_50>1428</td></tr>
                     <tr><td id=popup_table_td_data_75>75%:</td><td id=popup_table_td_data>1190</td></tr>
                     <tr><td id=popup_table_td_data_90>90%:</td><td id=popup_table_td_data>931</td></tr>
                     <tr><td id=popup_table_td_data_min>MIN:</td><td id=popup_table_td_data>790</td></tr>
                   </table> <table id=popup_table>
                     <tr><td id=popup_table_td_ESPTYPE colspan=2>ESP10<br><label id=popup_table_td_date>Oct 22, 2026</label></td></tr>
                     <tr><td id=popup_table_td_data_max>MAX:</td><td id=popup_table_td_data>2614</td></tr>
                     <tr><td id=popup_table_td_data_10>10%:</td><td id=popup_table_td_data>2022</td></tr>
                     <tr><td id=popup_table_td_data_25>25%:</td><td id=popup_table_td_data>1582</td></tr>
                     <tr><td id=popup_table_td_data_50>50%:</td><td id=popup_table_td_data_50>1418</td></tr>
                     <tr><td id=popup_table_td_data_75>75%:</td><td id=popup_table_td_data>1177</td></tr>
                     <tr><td id=popup_table_td_data_90>90%:</td><td id=popup_table_td_data>926</td></tr>
                     <tr><td id=popup_table_td_data_min>MIN:</td><td id=popup_table_td_data>790</td></tr>
                   </table> Link to image of plot
  • RODW1N_SQIN.ESPF0.csv|2026-10-22
  • RODW1N_SQIN.ESPF10.csv|2026-10-22
  • RODW1N_SQIN.ESPFM.csv|2026-10-22



APR-SEP

#FFF68F
#33CCFF
#404040
#660066
#F00007
#66CCFF
ESP10,ESPM,ESP0
ESP10,ESPM,ESP0
Last Forecast