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United States of America

BLACKLEAF, MONTANA


Home > North America > United States > Montana
Elevation: 1380 meters     Latitude: 48 01N     Longitude: 112 34W

WEATHER
 
CURRENT CONDITIONS

 
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MONTHLY - ALL WEATHER AVERAGES   [ Show Summary ]
[ °F ]   °C
TEMPERATURE 
Average Temperature
Years on Record: 106  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
C5.1-6.3-4.3-1.14.39.213.41716.211.36.1-0.3-3.9

Average High Temperature
Years on Record: 106  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
C12.60.92.55.711.416.420.825.925.319.713.96.42.5

Average Low Temperature
Years on Record: 106  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
C-2.3-13.2-11.2-7.8-2.71.95.98.27.23-1.7-7.1-10.6

Highest Recorded Temperature
Years on Record: 106  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
C38.918.321.12528.933.934.438.938.935.630.627.820

Lowest Recorded Temperature
Years on Record: 106  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
C-43.9-43.3-43.9-35.6-23.9-15-11.1-12.8-5-14.4-28.9-36.7-41.7

Average Number of Days Above 90F/32C
Years on Record: 106  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
Days5.4---------------0.32.62.10.4---------

Average Number of Days Below 32F/0C
Years on Record: 106  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
Days196.928.225.727.72210.51.80.20.87.819.125.327.8

Average Number of Days Below 0F/-17C
Years on Record: 106  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
Days32.110.76.940.3---------------0.43.26.6



PRECIPITATION 
Average Precipitation
Years on Record: 106  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
mm365141317306575373933161413

Average Number of Days With Precipitation
Years on Record: 106  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
Days67556688665444

Most Reported Precipitation in a Month
Years on Record: 106  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
mm248535058105199248156190176805981

Least Reported Precipitation in a Month
Years on Record: 106  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
mm---------------54------------------

Most Precipitation Reported in a Day
Years on Record: 106  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
mm119.425.425.422.961.2101.6119.455.156.989.253.918.315.2

Avg. No. of Days w/Precip. Above 0.2in/5mm
Years on Record: 106  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
Days37222456343222

Avg. # of Days w/Precip. Above 0.4in/10mm
Years on Record: 106  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
Days7---------112111---------

Avg. No. of Days w/Precip. Above 1in/25mm
Years on Record: 106  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
Days2------------11------------------



PRECIPITATION - SNOW 
Average Snowfall
Years on Record: 106  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
cm132.622.118.818.320.15.60.5---0.24.88.41518.8

Average Snow Cover
Years on Record: 50  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
cm27552------------------25

Most Snow Reported in a Month
Years on Record: 106  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
cm99.171.196.57897.539.419.8---15.263.562.262.799.1



DEGREE DAYS 
Heating Degree Days
Years on Record: 30  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
Days4818.3750611.1568.9400.6272.8149.478.395.6217.2375.6578.3720.6

Cooling Degree Days
Years on Record: 30  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
Days90.6---------------7.233.939.410---------

Growing Degree Days
Years on Record: 106  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
Days551.6---------------101.7217192.940---------



SKY CONDITIONS 
Average Length of Day
Years on Record: 30  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
Hours12.89.510.812.514.315.916.716.214.81311.39.89



SOLAR RADIATION 
Average Daily Solar Radiation - Global
Years on Record: 22  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
Mj/m213.24.88.112.416.819.620.823.319.914.49.15.44.1

Average Daily Solar Radiation - Diffuse
Years on Record: 22  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
Mj/m26.12.84.26.27.68.99.59.38.16.54.63.12.5

Average Daily Solar Radiation - Reflected
Years on Record: 22  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
Mj/m214.88.312.515.717.61818.120.819.916.712.59.37.6

Average Daily Solar Radiation - Direct
Years on Record: 22  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
Mj/m214.47.61113.8171818.623.320.915.911.886.8

Maximum Daily Solar Radiation - Global
Years on Record: 22  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
Mj/m213.24.88.112.416.819.620.823.319.914.49.15.44.1

Maximum Daily Solar Radiation - Diffuse
Years on Record: 22  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
Mj/m26.53.24.56.87.79.19.710.28.67.553.62.8

Maximum Daily Solar Radiation - Reflected
Years on Record: 22  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
Mj/m217.39.813.518.919.920.621.12422.621.814.811.69

Maximum Daily Solar Radiation - Direct
Years on Record: 22  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
Mj/m217.99.112.41820.622.824.627.824.72214.210.28.3

Minimum Daily Solar Radiation - Global
Years on Record: 22  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
Mj/m211.24.47.110.915.116.61818.217.6117.54.83.3

Minimum Daily Solar Radiation - Diffuse
Years on Record: 22  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
Mj/m25.82.63.85.87.58.89.49.17.95.942.92.1

Minimum Daily Solar Radiation - Reflected
Years on Record: 22  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
Mj/m212.37.410.713.515.515.115.616.217.512.3107.85.8

Minimum Daily Solar Radiation - Direct
Years on Record: 22  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
Mj/m210.86.59.211.313.512.613.714.816.910.396.75




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