139  
CDUS45 KRIW 240728  
CLICPR  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
128 AM MDT WED MAY 24 2023  
   
...............................
 
 
   
..THE CASPER WY CLIMATE SUMMARY FOR MAY 23 2023
 
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1939 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 80 2:21 PM 88 1984 70 10 59  
MINIMUM 48 4:33 AM 28 1986 40 8 31  
2002  
2019  
AVERAGE 64 55 9  
 
PRECIPITATION (IN)  
YESTERDAY T 0.84 1965 0.07 -0.07 T  
MONTH TO DATE 1.33 1.66 -0.33 0.87  
SINCE MAR 1 3.47 3.91 -0.44 4.39  
SINCE JAN 1 6.15 4.96 1.19 6.14  
 
SNOWFALL (IN)  
YESTERDAY 0.0 1.6 1995 0.0 0.0 0.0  
MONTH TO DATE 0.0 2.4 -2.4 0.7  
SINCE MAR 1 48.3 23.2 25.1 39.9  
SINCE JUL 1 134.3 71.5 62.8 98.5  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 1 10 -9 20  
MONTH TO DATE 258 339 -81 399  
SINCE MAR 1 2200 1928 272 2199  
SINCE JUL 1 7901 7290 611 7058  
 
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 23 HIGHEST WIND DIRECTION SE (130)  
HIGHEST GUST SPEED 33 HIGHEST GUST DIRECTION SE (150)  
AVERAGE WIND SPEED 8.2  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 77 11:00 PM  
LOWEST 25 3:00 PM  
AVERAGE 51  
   
......................................................
 
 
THE CASPER WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 70 86 1967  
MINIMUM TEMPERATURE (F) 40 26 2022  
 
SUNRISE AND SUNSET  
MAY 24 2023...........SUNRISE 5:35 AM MDT SUNSET 8:31 PM MDT  
MAY 25 2023...........SUNRISE 5:34 AM MDT SUNSET 8:32 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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