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COAST FORK WILLAMETTE - COTTAGE GROVE DAM (COTO3)
Forecasts for Water Year 2027
Natural Forecast
ESP with 10 Days QPF     Ensemble: 2026-10-16 Issued: 2026-10-16 Hide Forecast
Forecasts Are in KAF 30 Year
Average
(1991-2020)
90 % 50 % %
Average		 10 %
APR-SEP 19 33 74 52 45
APR-JUL 17 30 71 49 43
APR-AUG 17 32 73 51 44
JAN-SEP 68 117 91 178 128
JAN-JUL 66 115 91 175 127
OCT-SEP 85 157 89 243 175
Experimental
HEFS with 15 days EQPF    Ensemble: 2026-10-16  Issued: 2026-10-16 Hide Forecast
APR-SEP 19 33 74 52 45
APR-JUL 17 30 71 49 43
APR-AUG 17 32 73 51 44
JAN-SEP 67 117 91 178 128
JAN-JUL 65 115 91 175 127
OCT-SEP 83 155 89 237 175
Reference
ESP with 0 Days QPF    Ensemble: 2026-10-16  Issued: 2026-10-16 Hide Forecast
APR-SEP 19 33 75 52 45
APR-JUL 17 30 71 49 43
APR-AUG 18 32 73 51 44
JAN-SEP 73 117 91 179 128
JAN-JUL 71 116 92 177 127
OCT-SEP 93 159 91 245 175
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>82</td></tr> <tr><td id=popup_table_td_data_10>10%:</td><td id=popup_table_td_data>52</td></tr> <tr><td id=popup_table_td_data_25>25%:</td><td id=popup_table_td_data>47</td></tr> <tr><td id=popup_table_td_data_50>50%:</td><td id=popup_table_td_data_50>33</td></tr> <tr><td id=popup_table_td_data_75>75%:</td><td id=popup_table_td_data>25</td></tr> <tr><td id=popup_table_td_data_90>90%:</td><td id=popup_table_td_data>19</td></tr> <tr><td id=popup_table_td_data_min>MIN:</td><td id=popup_table_td_data>9</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>82</td></tr> <tr><td id=popup_table_td_data_10>10%:</td><td id=popup_table_td_data>52</td></tr> <tr><td id=popup_table_td_data_25>25%:</td><td id=popup_table_td_data>47</td></tr> <tr><td id=popup_table_td_data_50>50%:</td><td id=popup_table_td_data_50>33</td></tr> <tr><td id=popup_table_td_data_75>75%:</td><td id=popup_table_td_data>25</td></tr> <tr><td id=popup_table_td_data_90>90%:</td><td id=popup_table_td_data>19</td></tr> <tr><td id=popup_table_td_data_min>MIN:</td><td id=popup_table_td_data>9</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>82</td></tr> <tr><td id=popup_table_td_data_10>10%:</td><td id=popup_table_td_data>52</td></tr> <tr><td id=popup_table_td_data_25>25%:</td><td id=popup_table_td_data>47</td></tr> <tr><td id=popup_table_td_data_50>50%:</td><td id=popup_table_td_data_50>34</td></tr> <tr><td id=popup_table_td_data_75>75%:</td><td id=popup_table_td_data>25</td></tr> <tr><td id=popup_table_td_data_90>90%:</td><td id=popup_table_td_data>19</td></tr> <tr><td id=popup_table_td_data_min>MIN:</td><td id=popup_table_td_data>9</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>82</td></tr> <tr><td id=popup_table_td_data_10>10%:</td><td id=popup_table_td_data>52</td></tr> <tr><td id=popup_table_td_data_25>25%:</td><td id=popup_table_td_data>47</td></tr> <tr><td id=popup_table_td_data_50>50%:</td><td id=popup_table_td_data_50>33</td></tr> <tr><td id=popup_table_td_data_75>75%:</td><td id=popup_table_td_data>25</td></tr> <tr><td id=popup_table_td_data_90>90%:</td><td id=popup_table_td_data>19</td></tr> <tr><td id=popup_table_td_data_min>MIN:</td><td id=popup_table_td_data>9</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>82</td></tr> <tr><td id=popup_table_td_data_10>10%:</td><td id=popup_table_td_data>52</td></tr> <tr><td id=popup_table_td_data_25>25%:</td><td id=popup_table_td_data>47</td></tr> <tr><td id=popup_table_td_data_50>50%:</td><td id=popup_table_td_data_50>33</td></tr> <tr><td id=popup_table_td_data_75>75%:</td><td id=popup_table_td_data>25</td></tr> <tr><td id=popup_table_td_data_90>90%:</td><td id=popup_table_td_data>19</td></tr> <tr><td id=popup_table_td_data_min>MIN:</td><td id=popup_table_td_data>9</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>82</td></tr> <tr><td id=popup_table_td_data_10>10%:</td><td id=popup_table_td_data>52</td></tr> <tr><td id=popup_table_td_data_25>25%:</td><td id=popup_table_td_data>47</td></tr> <tr><td id=popup_table_td_data_50>50%:</td><td id=popup_table_td_data_50>33</td></tr> <tr><td id=popup_table_td_data_75>75%:</td><td id=popup_table_td_data>25</td></tr> <tr><td id=popup_table_td_data_90>90%:</td><td id=popup_table_td_data>19</td></tr> <tr><td id=popup_table_td_data_min>MIN:</td><td id=popup_table_td_data>9</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>82</td></tr> <tr><td id=popup_table_td_data_10>10%:</td><td id=popup_table_td_data>52</td></tr> <tr><td id=popup_table_td_data_25>25%:</td><td id=popup_table_td_data>47</td></tr> <tr><td id=popup_table_td_data_50>50%:</td><td id=popup_table_td_data_50>33</td></tr> <tr><td id=popup_table_td_data_75>75%:</td><td id=popup_table_td_data>25</td></tr> <tr><td id=popup_table_td_data_90>90%:</td><td id=popup_table_td_data>19</td></tr> <tr><td id=popup_table_td_data_min>MIN:</td><td id=popup_table_td_data>9</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>82</td></tr> <tr><td id=popup_table_td_data_10>10%:</td><td id=popup_table_td_data>52</td></tr> <tr><td id=popup_table_td_data_25>25%:</td><td id=popup_table_td_data>47</td></tr> <tr><td id=popup_table_td_data_50>50%:</td><td id=popup_table_td_data_50>33</td></tr> <tr><td id=popup_table_td_data_75>75%:</td><td id=popup_table_td_data>25</td></tr> <tr><td id=popup_table_td_data_90>90%:</td><td id=popup_table_td_data>19</td></tr> <tr><td id=popup_table_td_data_min>MIN:</td><td id=popup_table_td_data>9</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>82</td></tr> <tr><td id=popup_table_td_data_10>10%:</td><td id=popup_table_td_data>52</td></tr> <tr><td id=popup_table_td_data_25>25%:</td><td id=popup_table_td_data>47</td></tr> <tr><td id=popup_table_td_data_50>50%:</td><td id=popup_table_td_data_50>33</td></tr> <tr><td id=popup_table_td_data_75>75%:</td><td id=popup_table_td_data>25</td></tr> <tr><td id=popup_table_td_data_90>90%:</td><td id=popup_table_td_data>19</td></tr> <tr><td id=popup_table_td_data_min>MIN:</td><td id=popup_table_td_data>9</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>82</td></tr> <tr><td id=popup_table_td_data_10>10%:</td><td id=popup_table_td_data>52</td></tr> <tr><td id=popup_table_td_data_25>25%:</td><td id=popup_table_td_data>47</td></tr> <tr><td id=popup_table_td_data_50>50%:</td><td id=popup_table_td_data_50>34</td></tr> <tr><td id=popup_table_td_data_75>75%:</td><td id=popup_table_td_data>25</td></tr> <tr><td id=popup_table_td_data_90>90%:</td><td id=popup_table_td_data>19</td></tr> <tr><td id=popup_table_td_data_min>MIN:</td><td id=popup_table_td_data>9</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>82</td></tr> <tr><td id=popup_table_td_data_10>10%:</td><td id=popup_table_td_data>52</td></tr> <tr><td id=popup_table_td_data_25>25%:</td><td id=popup_table_td_data>47</td></tr> <tr><td id=popup_table_td_data_50>50%:</td><td id=popup_table_td_data_50>34</td></tr> <tr><td id=popup_table_td_data_75>75%:</td><td id=popup_table_td_data>25</td></tr> <tr><td id=popup_table_td_data_90>90%:</td><td id=popup_table_td_data>19</td></tr> <tr><td id=popup_table_td_data_min>MIN:</td><td id=popup_table_td_data>9</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>82</td></tr> <tr><td id=popup_table_td_data_10>10%:</td><td id=popup_table_td_data>52</td></tr> <tr><td id=popup_table_td_data_25>25%:</td><td id=popup_table_td_data>47</td></tr> <tr><td id=popup_table_td_data_50>50%:</td><td id=popup_table_td_data_50>34</td></tr> <tr><td id=popup_table_td_data_75>75%:</td><td id=popup_table_td_data>25</td></tr> <tr><td id=popup_table_td_data_90>90%:</td><td id=popup_table_td_data>19</td></tr> <tr><td id=popup_table_td_data_min>MIN:</td><td id=popup_table_td_data>9</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>82</td></tr> <tr><td id=popup_table_td_data_10>10%:</td><td id=popup_table_td_data>52</td></tr> <tr><td id=popup_table_td_data_25>25%:</td><td id=popup_table_td_data>47</td></tr> <tr><td id=popup_table_td_data_50>50%:</td><td id=popup_table_td_data_50>33</td></tr> <tr><td id=popup_table_td_data_75>75%:</td><td id=popup_table_td_data>25</td></tr> <tr><td id=popup_table_td_data_90>90%:</td><td id=popup_table_td_data>19</td></tr> <tr><td id=popup_table_td_data_min>MIN:</td><td id=popup_table_td_data>9</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>82</td></tr> <tr><td id=popup_table_td_data_10>10%:</td><td id=popup_table_td_data>52</td></tr> <tr><td id=popup_table_td_data_25>25%:</td><td id=popup_table_td_data>47</td></tr> <tr><td id=popup_table_td_data_50>50%:</td><td id=popup_table_td_data_50>33</td></tr> <tr><td id=popup_table_td_data_75>75%:</td><td id=popup_table_td_data>25</td></tr> <tr><td id=popup_table_td_data_90>90%:</td><td id=popup_table_td_data>19</td></tr> <tr><td id=popup_table_td_data_min>MIN:</td><td id=popup_table_td_data>9</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>82</td></tr> <tr><td id=popup_table_td_data_10>10%:</td><td id=popup_table_td_data>52</td></tr> <tr><td id=popup_table_td_data_25>25%:</td><td id=popup_table_td_data>47</td></tr> <tr><td id=popup_table_td_data_50>50%:</td><td id=popup_table_td_data_50>33</td></tr> <tr><td id=popup_table_td_data_75>75%:</td><td id=popup_table_td_data>25</td></tr> <tr><td id=popup_table_td_data_90>90%:</td><td id=popup_table_td_data>19</td></tr> <tr><td id=popup_table_td_data_min>MIN:</td><td id=popup_table_td_data>9</td></tr> </table> Link to image of plot 
  • COTO3N_SQIN.ESPF0.csv|2026-10-16
  • COTO3N_SQIN.ESPF10.csv|2026-10-16
  • COTO3N_SQIN.ESPFM.csv|2026-10-16



APR-SEP

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