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United States of America

AMES - IOWA STATE UNIVERSITY, IOWA


Home > North America > United States > Iowa
Elevation: 305 meters     Latitude: 42 00N     Longitude: 093 39W

WEATHER
 
CURRENT CONDITIONS

Sunrise/Set
05:52 am
08:29 pm
Local Time
12:19 pm CDT
16 May, 2024
 
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MONTHLY - ALL WEATHER AVERAGES   [ Show Summary ]
[ °F ]   °C
TEMPERATURE 
Average Temperature
Years on Record: 72  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
C9.2-7.1-4.81.99.615.820.923.622.317.811.42.8-4.2

Average High Temperature
Years on Record: 72  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
C15.2-1.70.47.415.922.427.230.228.824.518.28.30.8

Average Low Temperature
Years on Record: 72  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
C3.2-12.4-10.1-3.63.19.314.716.915.911.24.8-2.7-9.2

Highest Recorded Temperature
Years on Record: 72  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
C42.817.224.431.735404042.841.738.934.427.222.8

Lowest Recorded Temperature
Years on Record: 72  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
C-38.3-38.3-35-31.7-13.9-152.23.92.2-5.6-21.7-22.2-31.1

Average Number of Days Above 90F/32C
Years on Record: 72  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
Days25.2---------0.114.89.56.92.70.1------

Average Number of Days Below 32F/0C
Years on Record: 72  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
Days148.530.12723.69.31.1---------0.66.621.228.9

Average Number of Days Below 0F/-17C
Years on Record: 72  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
Days18.88.250.7---------------------0.34.5



PRECIPITATION 
Average Precipitation
Years on Record: 72  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
mm78622264373108115899395583627

Average Number of Days With Precipitation
Years on Record: 72  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
Days9066791110888755

Most Reported Precipitation in a Month
Years on Record: 72  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
mm3737078116161312341274373307158196134

Least Reported Precipitation in a Month
Years on Record: 72  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
mm------171082221251---4

Most Precipitation Reported in a Day
Years on Record: 72  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
mm198.152.345.752.176.5115.1105.7198.1151.1109.279.260.561

Avg. No. of Days w/Precip. Above 0.2in/5mm
Years on Record: 72  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
Days58334677666433

Avg. # of Days w/Precip. Above 0.4in/10mm
Years on Record: 72  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
Days20------1233223211

Avg. No. of Days w/Precip. Above 1in/25mm
Years on Record: 72  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
Days7---------1111111------



PRECIPITATION - SNOW 
Average Snowfall
Years on Record: 72  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
cm72.118.316.3142.3---------------0.56.614.2

Most Snow Reported in a Month
Years on Record: 72  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
cm60.760.752.355.925.45.1------------17.830.553.6



DEGREE DAYS 
Heating Degree Days
Years on Record: 72  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
Days2533.3615496.7339.4126.124.41.1------12.290.6301.1526.7

Cooling Degree Days
Years on Record: 72  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
Days487.8---------3.329.497.8166.1131.153.36.7------

Growing Degree Days
Years on Record: 72  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
Days1591.5------------180.8326.7421.9382.323544.8------



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  
Hours12.710.111.112.513.915.115.815.414.312.911.510.39.7



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/m213.96.59.212.816.419.322221915.51175.6

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/m25.42.63.65.26.98.18.68.17.15.542.82.3

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/m215.711.913.615.616.917.819.119.618.617.815.511.410.7

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/m216.112.113.615.116.217.820.821.719.618.415.811.710.8

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/m213.96.59.212.816.419.322221915.51175.6

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/m25.72.63.85.47.28.598.87.664.22.92.3

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/m21913.716.820.420.221.721.921.621.221.319.615.813.9

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/m221.714.317.922.722.12627.426.324.524.521.917.715.1

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/m210.95.37.39.413.213.618.717.515.812.37.85.14.8

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/m24.92.53.34.46.47.37.77.56.54.83.42.52

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/m211.88.810.110.613.212.416.415.715.413.59.77.38.5

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/m2108.18.68.110.48.515.113.813.511.786.38




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