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United States of America

EUREKA, MONTANA


Home > North America > United States > Montana
Elevation: 921 meters     Latitude: 48 47N     Longitude: 114 54W

WEATHER
 
CURRENT CONDITIONS

Sunrise/Set
08:28 am
10:46 pm
Local Time
6:19 pm EDT
25 April, 2024
 
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MONTHLY - ALL WEATHER AVERAGES   [ Show Summary ]
[ °F ]   °C
TEMPERATURE 
Average Temperature
Years on Record: 104  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
C5.7-6.6-3.21.26.110.514.317.716.711.86-0.6-4.9

Average High Temperature
Years on Record: 104  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
C13.1-1.92.37.613.919.122.928.127.221.213.44-0.9

Average Low Temperature
Years on Record: 104  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
C-1.6-11.3-8.8-5.1-1.725.77.36.12.4-1.4-5.1-9

Highest Recorded Temperature
Years on Record: 104  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
C41.712.817.823.331.735.636.738.941.735.63019.414.4

Lowest Recorded Temperature
Years on Record: 104  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
C-45-45-41.1-35-23.9-13.3-15.6-4.4-6.7-21.7-27.8-37.2-45

Average Number of Days Above 90F/32C
Years on Record: 104  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
Days14------------0.21.27.15.10.5---------

Average Number of Days Below 32F/0C
Years on Record: 104  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
Days202.629.326.426.920.710.62.40.81.89.819.525.428.9

Average Number of Days Below 0F/-17C
Years on Record: 104  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
Days18.57.541.2------------------0.11.34.3



PRECIPITATION 
Average Precipitation
Years on Record: 104  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
mm426332526274863353335303636

Average Number of Days With Precipitation
Years on Record: 104  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
Days10611898101176781011

Most Reported Precipitation in a Month
Years on Record: 104  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
mm1691057089661691541321281069289147

Least Reported Precipitation in a Month
Years on Record: 104  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
mm---63435121---1155

Most Precipitation Reported in a Day
Years on Record: 104  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
mm62.235.650.83427.444.262.255.452.855.439.438.129.5

Avg. No. of Days w/Precip. Above 0.2in/5mm
Years on Record: 104  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
Days53534357444455

Avg. # of Days w/Precip. Above 0.4in/10mm
Years on Record: 104  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
Days5------------11111---------



PRECIPITATION - SNOW 
Average Snowfall
Years on Record: 104  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
cm125.732.821.614.74.60.8---------0.22.817.530.7

Average Snow Cover
Years on Record: 93  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
cm215125---------------------27

Most Snow Reported in a Month
Years on Record: 104  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
cm12512586.450.830.525.47.6------5.125.4104.1101.6



DEGREE DAYS 
Heating Degree Days
Years on Record: 30  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
Days4477.8751.7577.2499.4346.1222.8112.857.253.3184.4376.7567.2728.9

Cooling Degree Days
Years on Record: 30  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
Days104.4------------0.612.248.337.85.6---------

Growing Degree Days
Years on Record: 104  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
Days641.5------------15.5128.3237.7206.753.3---------



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  
Hours12.89.410.812.514.31616.816.314.813.111.39.79



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/m213.44.88.31317.720.421.222.919.914.69.15.44

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/m26.22.84.36.37.599.69.48.16.64.63.12.5

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/m215.28.613.317.118.818.818.420.42017.212.89.57.8

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/m2157.811.715.21919.519.422.721.116.612.18.27.1

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/m213.44.88.31317.720.421.222.919.914.69.15.44

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/m26.534.56.87.69.19.810.88.77.55.23.42.6

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/m217.59.314.119.420.821.620.524.622.821.615.510.98.6

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/m218.18.612.518.42224.523.628.124.921.915.19.57.8

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/m211.24.37.411.616.217.618.916.116.510.37.34.93.6

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/m25.92.6467.58.99.59.185.842.92.3

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/m212.67.611.614.71716.116.414.316.311.5108.36.9

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/m211.16.81012.616.114.515.311.415.19.497.26.1




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