844  
CDUS45 KRIW 220737  
CLICPR  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
137 AM MDT WED MAY 22 2024  
   
...............................
 
 
   
..THE CASPER WY CLIMATE SUMMARY FOR MAY 21 2024
 
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1939 TO 2024  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 46 12:01 PM 87 1964 69 -23 77  
2006  
MINIMUM 32 11:56 PM 26 2001 39 -7 40  
AVERAGE 39 54 -15  
 
PRECIPITATION (IN)  
YESTERDAY 0.37 1.04 1962 0.08 0.29 0.00  
MONTH TO DATE 2.44 1.52 0.92 1.33  
SINCE MAR 1 4.23 3.77 0.46 3.47  
SINCE JAN 1 5.26 4.82 0.44 5.88  
 
SNOWFALL (IN)  
YESTERDAY T 2.5 2019 0.0 0.0 0.0  
MONTH TO DATE 3.9 2.3 1.6 0.0  
SINCE MAR 1 13.2 23.1 -9.9 48.3  
SINCE JUL 1 42.5 71.4 -28.9 127.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 26 11 15 6  
MONTH TO DATE 350 318 32 255  
SINCE MAR 1 1876 1907 -31 2197  
SINCE JUL 1 6831 7269 -438 7897  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE MAR 1 0 0 0 0  
SINCE JAN 1 0 0 0 0    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION NW (330)  
HIGHEST GUST SPEED 28 HIGHEST GUST DIRECTION NW (320)  
AVERAGE WIND SPEED 8.8  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
RAIN  
LIGHT RAIN  
LIGHT SNOW  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 96 7:00 AM  
LOWEST 79 3:00 PM  
AVERAGE 88  
   
......................................................
 
 
THE CASPER WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 69 86 1980  
2006  
MINIMUM TEMPERATURE (F) 39 22 2022  
 
SUNRISE AND SUNSET  
MAY 22 2024...........SUNRISE 5:36 AM MDT SUNSET 8:30 PM MDT  
MAY 23 2024...........SUNRISE 5:35 AM MDT SUNSET 8:31 PM MDT  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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