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WILLAPA - NEAR WILLAPA (WILW1)
Forecasts for Water Year 2027
Natural Forecast
ESP with 10 Days QPF     Ensemble: 2026-10-05 Issued: 2026-10-05 Hide Forecast
Forecasts Are in KAF 30 Year
Average
(1991-2020)
90 % 50 % %
Average		 10 %
APR-SEP 48 77 93 120 82
APR-JUL 40 71 94 116 75
APR-AUG 43 73 94 118 78
JAN-SEP 210 295 98 386 300
JAN-JUL 204 289 99 376 293
OCT-SEP 319 461 95 588 483
Experimental
HEFS with 15 days EQPF    Ensemble: 2026-10-05  Issued: 2026-10-05 Hide Forecast
APR-SEP 48 77 93 120 82
APR-JUL 40 71 94 116 75
APR-AUG 43 73 94 118 78
JAN-SEP 210 295 98 386 300
JAN-JUL 204 289 99 376 293
OCT-SEP 311 457 95 584 483
Reference
ESP with 0 Days QPF    Ensemble: 2026-10-05  Issued: 2026-10-05 Hide Forecast
APR-SEP 48 77 93 120 82
APR-JUL 40 71 94 116 75
APR-AUG 43 73 94 118 78
JAN-SEP 210 296 98 386 300
JAN-JUL 204 289 99 376 293
OCT-SEP 336 468 97 601 483
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>165</td></tr> <tr><td id=popup_table_td_data_10>10%:</td><td id=popup_table_td_data>120</td></tr> <tr><td id=popup_table_td_data_25>25%:</td><td id=popup_table_td_data>108</td></tr> <tr><td id=popup_table_td_data_50>50%:</td><td id=popup_table_td_data_50>77</td></tr> <tr><td id=popup_table_td_data_75>75%:</td><td id=popup_table_td_data>57</td></tr> <tr><td id=popup_table_td_data_90>90%:</td><td id=popup_table_td_data>48</td></tr> <tr><td id=popup_table_td_data_min>MIN:</td><td id=popup_table_td_data>36</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>165</td></tr> <tr><td id=popup_table_td_data_10>10%:</td><td id=popup_table_td_data>120</td></tr> <tr><td id=popup_table_td_data_25>25%:</td><td id=popup_table_td_data>108</td></tr> <tr><td id=popup_table_td_data_50>50%:</td><td id=popup_table_td_data_50>77</td></tr> <tr><td id=popup_table_td_data_75>75%:</td><td id=popup_table_td_data>57</td></tr> <tr><td id=popup_table_td_data_90>90%:</td><td id=popup_table_td_data>48</td></tr> <tr><td id=popup_table_td_data_min>MIN:</td><td id=popup_table_td_data>36</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>165</td></tr> <tr><td id=popup_table_td_data_10>10%:</td><td id=popup_table_td_data>120</td></tr> <tr><td id=popup_table_td_data_25>25%:</td><td id=popup_table_td_data>108</td></tr> <tr><td id=popup_table_td_data_50>50%:</td><td id=popup_table_td_data_50>77</td></tr> <tr><td id=popup_table_td_data_75>75%:</td><td id=popup_table_td_data>57</td></tr> <tr><td id=popup_table_td_data_90>90%:</td><td id=popup_table_td_data>48</td></tr> <tr><td id=popup_table_td_data_min>MIN:</td><td id=popup_table_td_data>36</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>165</td></tr> <tr><td id=popup_table_td_data_10>10%:</td><td id=popup_table_td_data>120</td></tr> <tr><td id=popup_table_td_data_25>25%:</td><td id=popup_table_td_data>108</td></tr> <tr><td id=popup_table_td_data_50>50%:</td><td id=popup_table_td_data_50>77</td></tr> <tr><td id=popup_table_td_data_75>75%:</td><td id=popup_table_td_data>57</td></tr> <tr><td id=popup_table_td_data_90>90%:</td><td id=popup_table_td_data>48</td></tr> <tr><td id=popup_table_td_data_min>MIN:</td><td id=popup_table_td_data>36</td></tr> </table> Link to image of plot 
  • WILW1N_SQIN.ESPF0.csv|2026-10-05
  • WILW1N_SQIN.ESPF10.csv|2026-10-05
  • WILW1N_SQIN.ESPFM.csv|2026-10-05



APR-SEP

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