30-Day Precip for Idaho
Jan 3, 2009 through Feb 1, 2009
Climate
Division
Total
Rainfall
Departure
from Normal
Pct of
Normal
Driest
since
Wettest
since
Rank of 56
such periods
Driest
on Record
Wettest
on Record
30-day
SPI
Most Like
(Arndt Score)
Idaho Statewide 1.64" -0.40" 80 % 2005 (1.09") 2006 (2.73") 28th driest XX 0.43" (1985) 4.02" (1970) +0.08 XX 1990 (9.56)
ID-CD1 (Panhandle) 1.42" -1.80" 44 % 2001 (1.29") 2006 (5.98") 7th driest D1 0.45" (1985) 6.52" (1974) -1.25 D1 1962 (9.12)
ID-CD2 (N. Central Prairies) 2.02" -0.01" 99 % 2006 (1.20") 2003 (3.77") 14th wettest XX 0.48" (1961) 3.77" (2003) +0.72 XX 1995 (8.83)
ID-CD3 (N. Central Canyons) 2.65" +0.34" 115 % 2005 (1.59") 2006 (5.25") 21st driest XX 0.50" (1985) 8.02" (1970) -0.35 XX 1984 (9.05)
ID-CD4 (Central Mountains) 2.81" -0.26" 92 % 2005 (0.82") 2006 (3.10") 9th wettest XX 0.29" (1949) 5.49" (1970) +0.82 XX 1983 (8.68)
ID-CD5 (Southwestern Valleys) 0.73" -0.82" 47 % 2005 (0.31") 2006 (1.69") 15th driest D0 0.18" (1961) 2.73" (1998) -0.63 D0 1965 (9.71)
ID-CD6 (Southwestern Highlands) 0.40" -0.90" 31 % 1992 (0.14") 2006 (2.61") 5th driest D2 0.14" (1992) 3.63" (1970) -1.34 D2 1981 (9.55)
ID-CD7 (Central Plains) 0.90" -0.35" 72 % 2005 (0.45") 2006 (1.34") 20th wettest XX 0.03" (1961) 2.57" (1969) +0.34 XX 1972 (9.24)
ID-CD8 (Northeastern Valleys) 0.37" -0.33" 53 % 1992 (0.16") 2006 (1.67") 3rd driest D3 0.14" (1961) 3.01" (1969) -1.56 D2 2003 (9.71)
ID-CD9 (Upper Snake River Plains) 0.86" -0.14" 86 % 2001 (0.66") 2006 (2.45") 12th driest D0 0.15" (1961) 3.52" (1969) -0.72 D0 1981 (9.63)
ID-CD10 (Eastern Highlands) 1.36" -0.12" 92 % 2004 (0.75") 2006 (2.45") 27th wettest XX 0.17" (1961) 3.01" (1970) +0.12 XX 1967 (9.26)