| 30-Day Precip for Montana Jan 2, 2009 through Jan 31, 2009 |
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| Climate Division |
Total Rainfall |
Departure from Normal |
Pct of Normal |
Driest since |
Wettest since |
Rank of 87 such periods |
Driest on Record |
Wettest on Record |
30-day SPI |
Most Like (Arndt Score) |
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| Montana Statewide | 0.80" | +0.03" | 104 % | 2006 (0.73") | 1999 (0.84") | 32nd wettest XX | 0.24" (1985) | 1.80" (1969) | +0.32 XX | 1997 (9.65) | ||
| MT-CD1 (Western) | 2.28" | +0.47" | 126 % | 2005 (1.11") | 2006 (2.72") | 24th wettest XX | 0.27" (1985) | 4.61" (1953) | +0.65 XX | 1948 (8.92) | ||
| MT-CD2 (Southwestern) | 0.36" | -0.45" | 45 % | 1992 (0.34") | 2006 (0.85") | 6th driest D2 | 0.06" (1961) | 1.84" (1969) | -1.43 D2 | 1983 (9.68) | ||
| MT-CD3 (N. Central) | 0.51" | +0.02" | 105 % | 2006 (0.38") | 2004 (0.75") | 34th wettest XX | 0.05" (1944) | 1.50" (1971) | +0.31 XX | 1980 (9.45) | ||
| MT-CD4 (Central) | 0.74" | +0.10" | 116 % | 2006 (0.34") | 1996 (0.87") | 25th wettest XX | 0.05" (1944) | 1.82" (1969) | +0.57 XX | 1966 (9.74) | ||
| MT-CD5 (S. Central) | 0.49" | -0.29" | 63 % | 2006 (0.34") | 2003 (1.00") | 34th driest XX | 0.09" (1941) | 1.94" (1928) | -0.29 XX | 1930 (9.72) | ||
| MT-CD6 (Northeastern) | 0.56" | +0.21" | 161 % | 2006 (0.20") | 2004 (0.97") | 18th wettest XX | 0.03" (1973) | 1.05" (1969) | +0.90 XX | 1994 (9.61) | ||
| MT-CD7 (Southeastern) | 0.32" | -0.15" | 69 % | 2006 (0.06") | 2004 (0.38") | 37th driest XX | 0.04" (1931) | 1.52" (1971) | -0.22 XX | 1984 (9.72) | ||