90-Day Precip for Idaho
Apr 18, 2008 through Jul 16, 2008
Climate
Division
Total
Rainfall
Departure
from Normal
Pct of
Normal
Driest
since
Wettest
since
Rank of 54
such periods
Driest
on Record
Wettest
on Record
90-day
SPI
Most Like
(Arndt Score)
Idaho Statewide 3.34" -1.29" 72 % 2006 (2.95") 2005 (6.59") 21st driest XX 1.80" (1974) 6.66" (1998) -0.40 XX 1968 (9.18)
ID-CD1 (Panhandle) 3.40" -2.50" 58 % 1973 (2.85") 2006 (5.01") 2nd driest D3 2.85" (1973) 9.36" (1981) -1.97 D3 1968 (7.87)
ID-CD2 (N. Central Prairies) 6.16" -0.81" 88 % 2006 (5.26") 2005 (7.07") 27th driest XX 2.98" (1966) 9.18" (1993) -0.04 XX 1976 (9.11)
ID-CD3 (N. Central Canyons) 4.94" -1.32" 79 % 2006 (4.66") 2005 (7.36") 20th driest XX 3.13" (1973) 9.20" (1998) -0.51 D0 1987 (9.01)
ID-CD4 (Central Mountains) 4.74" -0.85" 85 % 2006 (3.08") 2005 (5.92") 12th wettest XX 1.52" (1966) 7.26" (1998) +0.80 XX 1964 (8.96)
ID-CD5 (Southwestern Valleys) 1.69" -1.07" 61 % 2002 (0.72") 2006 (2.20") 8th driest D1 0.72" (2002) 6.78" (1998) -1.08 D1 1972 (9.18)
ID-CD6 (Southwestern Highlands) 1.37" -2.30" 37 % 2002 (1.12") 2006 (2.65") 7th driest D1 0.38" (1974) 6.55" (1995) -1.07 D1 1972 (9.43)
ID-CD7 (Central Plains) 1.30" -1.18" 52 % 1979 (1.23") 2006 (2.17") 3rd driest D2 0.70" (1974) 5.93" (2005) -1.57 D2 2002 (8.78)
ID-CD8 (Northeastern Valleys) 1.45" -2.08" 41 % 1974 (1.14") 2006 (2.66") 2nd driest D3 1.14" (1974) 7.62" (1995) -1.77 D3 1989 (8.94)
ID-CD9 (Upper Snake River Plains) 2.45" -1.22" 67 % 2003 (2.43") 2006 (2.72") 6th driest D1 1.86" (1974) 7.41" (1963) -1.27 D1 1974 (8.60)
ID-CD10 (Eastern Highlands) 3.50" -1.20" 74 % 2006 (2.33") 2005 (8.25") 24th driest XX 1.35" (1974) 8.34" (1980) -0.34 XX 1979 (8.86)