365-Day Precip for Idaho
Aug 12, 2007 through Aug 10, 2008
Climate
Division
Total
Rainfall
Departure
from Normal
Pct of
Normal
Driest
since
Wettest
since
Rank of 49
such periods
Driest
on Record
Wettest
on Record
365-day
SPI
Most Like
(Arndt Score)
Idaho Statewide 17.31" -1.62" 91 % 2004-05 (17.04") 2005-06 (18.42") 14th wettest XX 10.70" (1976-77) 20.78" (1983-84) +0.64 XX 1998-99 (8.60)
ID-CD1 (Panhandle) 22.55" -5.49" 80 % 2000-01 (19.19") 2005-06 (27.15") 10th driest D1 14.56" (1976-77) 37.99" (1996-97) -0.84 D1 1991-92 (8.39)
ID-CD2 (N. Central Prairies) 20.24" -3.87" 84 % 2005-06 (17.85") 2002-03 (21.11") 22nd wettest XX 13.23" (1972-73) 28.65" (1977-78) +0.12 XX 1989-90 (8.62)
ID-CD3 (N. Central Canyons) 21.28" -2.50" 90 % 2000-01 (20.85") 2005-06 (28.63") 8th driest D1 16.08" (1976-77) 37.61" (1996-97) -1.17 D1 1987-88 (7.95)
ID-CD4 (Central Mountains) 25.84" +0.26" 101 % 2005-06 (20.12") -- 1st wettest XX 11.26" (1976-77) 23.53" (1982-83) +2.24 XX 1982-83 (8.31)
ID-CD5 (Southwestern Valleys) 11.62" -1.39" 89 % 2003-04 (9.77") 2005-06 (14.21") 24th wettest XX 7.14" (1965-66) 16.94" (1983-84) +0.03 XX 1990-91 (8.46)
ID-CD6 (Southwestern Highlands) 6.75" -6.46" 51 % 1976-77 (6.74") 2005-06 (15.62") 4th driest D2 5.94" (1965-66) 16.39" (1983-84) -1.56 D2 1991-92 (9.38)
ID-CD7 (Central Plains) 8.42" -2.12" 80 % 2003-04 (7.74") 2005-06 (10.88") 22nd driest XX 5.70" (1965-66) 13.59" (1994-95) -0.23 XX 1971-72 (9.10)
ID-CD8 (Northeastern Valleys) 8.72" -1.27" 87 % 2002-03 (7.94") 2005-06 (14.14") 10th driest D1 6.55" (1987-88) 18.70" (1994-95) -1.12 D1 1965-66 (8.86)
ID-CD9 (Upper Snake River Plains) 12.30" +0.12" 101 % 2002-03 (11.04") 2005-06 (18.28") 12th driest D0 8.62" (1987-88) 20.33" (1996-97) -0.91 D1 1989-90 (8.77)
ID-CD10 (Eastern Highlands) 14.66" -1.96" 88 % 2002-03 (12.75") 2005-06 (18.84") 18th driest XX 8.45" (1959-60) 24.57" (1983-84) -0.19 XX 2003-04 (9.14)