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----FAST CLIMATE FACTS----
from the National Weather Service Office in Missoula, Montana


Temperature

Missoula
(1893-2003)

Kalispell
(1899-2003)

Butte
(1894-2003)

 State of Montana State of Idaho
Latest 30 Year Normal Temperature (1971-2000) 44.8 42.6 39.5 - -
Average Temperature (Jan-Dec) 44.7 43.1 39.9 - -
Lowest Temperature -33
-38
-52
-70
-60
(1/26/57) (1/30/50 - 1/31/50) (2/9/33) Rogers Pass (1/20/54) Island Park Dam (1/18/43)
Highest Temperature 105
105
100
117
118
5 times/last occurred (7/10/73) (8/4/61) (7/22/31) Medicine Lake (7/5/37) Orofino (7/28/34)

Precipitation

Missoula
(1893-2003)

Kalispell
(1899-2003)

Butte
(1894-2003)

 State of Montana State of Idaho
Latest 30 Year Normal Precipitation (1971-2000) 13.82 17.21 12.78 - -
Average Precipitation (Jan-Dec) 13.65 16.22 12.97 - -
Driest Month Trace Trace Trace - -
August 1967 August 1955 October 1987
Driest Year 8.16 inches 10.42 inches 6.89 inches -
 -
1931 1944 1935 - -
Greatest 24-Hour Precipitation 2.32 inches
 2.71 inches
 3.00 inches - -
(11/5/27) (6/29/82) (6-9-13)
Wettest Month 7.38 inches 6.02 inches 8.86 inches - -
May 1980 July 1983 June 1913
Wettest Year 21.92 inches 25.23 inches 20.55 inches - -
1998 1996 1909
Annual Average Snowfall 41.4 inches 64.7 inches 55.1 inches - -
Greatest 24-hour Snow 27.5 inches
 20.1 inches
 30.0 inches
 - -
(11/30/1893) (12/27/11) (10/10/11)
Greatest Monthly Snow 54.1 inches
 55.9 inches
 32.5 inches
 - -
December 1996 February 1936 October 1911
Greatest Annual Snowfall 106.1 inches
148.8 inches
125.5 inches
-
-
1996 1996 1996 - -
Greatest Snow Depth 27.0 inches
61.0 inches
27.0 inches
   
(12/29/96) (12/30/96) (12/29/96)


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Missoula Weather Forecast Office
6633 Aviation Way
Missoula, MT 59808-9381

Tel: (406) 329-4840

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