951  
CDUS45 KRIW 270737  
CLICPR  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
137 AM MDT SAT MAY 27 2023  
   
...............................
 
 
   
..THE CASPER WY CLIMATE SUMMARY FOR MAY 26 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 74 12:25 PM 91 2006 71 3 80  
MINIMUM 45 4:52 AM 29 1950 41 4 34  
1989  
AVERAGE 60 56 4  
 
PRECIPITATION (IN)  
YESTERDAY 0.12 0.96 1997 0.07 0.05 0.00  
MONTH TO DATE 2.02 1.87 0.15 0.96  
SINCE MAR 1 4.16 4.12 0.04 4.48  
SINCE JAN 1 6.84 5.17 1.67 6.23  
 
SNOWFALL (IN)  
YESTERDAY 0.0 0.0 2021 0.0 0.0 0.0  
MONTH TO DATE 0.0 2.5 -2.5 0.7  
SINCE MAR 1 48.3 23.3 25.0 39.9  
SINCE JUL 1 134.3 71.6 62.7 98.5  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 5 9 -4 8  
MONTH TO DATE 269 368 -99 442  
SINCE MAR 1 2211 1957 254 2242  
SINCE JUL 1 7912 7319 593 7101  
 
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 26 HIGHEST WIND DIRECTION E (70)  
HIGHEST GUST SPEED 35 HIGHEST GUST DIRECTION E (70)  
AVERAGE WIND SPEED 8.3  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
RAIN  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 96 5:00 AM  
LOWEST 42 5:00 PM  
AVERAGE 69  
   
......................................................
 
 
THE CASPER WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 72 91 1969  
MINIMUM TEMPERATURE (F) 41 30 1950  
 
SUNRISE AND SUNSET  
MAY 27 2023...........SUNRISE 5:33 AM MDT SUNSET 8:34 PM MDT  
MAY 28 2023...........SUNRISE 5:32 AM MDT SUNSET 8:35 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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