169  
CDUS45 KRIW 220028  
CLICPR  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
628 PM MDT TUE MAY 21 2024  
   
...............................  
 
   
..THE CASPER WY CLIMATE SUMMARY FOR MAY 21 2024  
 
VALID TODAY AS OF 0600 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 46 12:01 PM 87 1964 69 -23 77  
2006  
MINIMUM 33 6:46 AM 26 2001 39 -6 40  
AVERAGE 40 54 -14 59  
 
PRECIPITATION (IN)  
TODAY 0.35 1.04 1962 0.08 0.27 0.00  
MONTH TO DATE 2.42 1.52 0.90 1.33  
SINCE MAR 1 4.21 3.77 0.44 3.47  
SINCE JAN 1 5.24 4.82 0.42 5.88  
 
SNOWFALL (IN)  
TODAY 0.0 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  
TODAY 25 11 14 6  
MONTH TO DATE 349 318 31 255  
SINCE MAR 1 1875 1907 -32 2197  
SINCE JUL 1 6830 7269 -439 7897  
 
COOLING  
TODAY 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 9.7  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 1.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
RAIN  
LIGHT RAIN  
LIGHT SNOW  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 96  
LOWEST 79  
AVERAGE 88  
   
......................................................  
 
THE CASPER WY CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 69 86 1980  
2006  
MINIMUM TEMPERATURE (F) 39 22 2022  
 
SUNRISE AND SUNSET  
MAY 21 2024...........SUNRISE 5:37 AM MDT SUNSET 8:29 PM MDT  
MAY 22 2024...........SUNRISE 5:36 AM MDT SUNSET 8:30 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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