152  
CDUS45 KRIW 290731  
CLICPR  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
131 AM MDT MON MAY 29 2023  
   
...............................
 
 
   
..THE CASPER WY CLIMATE SUMMARY FOR MAY 28 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 4:16 PM 92 2014 72 2 73  
MINIMUM 45 2:42 AM 28 1947 41 4 42  
AVERAGE 60 56 4  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.90 1975 0.07 -0.07 T  
MONTH TO DATE 2.03 2.01 0.02 0.96  
SINCE MAR 1 4.17 4.26 -0.09 4.48  
SINCE JAN 1 6.85 5.31 1.54 6.23  
 
SNOWFALL (IN)  
YESTERDAY 0.0 T 1992 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 7  
MONTH TO DATE 280 386 -106 452  
SINCE MAR 1 2222 1975 247 2252  
SINCE JUL 1 7923 7337 586 7111  
 
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 SW (240)  
HIGHEST GUST SPEED 28 HIGHEST GUST DIRECTION SW (230)  
AVERAGE WIND SPEED 9.2  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 76 4:00 AM  
LOWEST 26 4:00 PM  
AVERAGE 51  
   
......................................................
 
 
THE CASPER WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 72 95 2003  
MINIMUM TEMPERATURE (F) 41 29 1947  
 
SUNRISE AND SUNSET  
MAY 29 2023...........SUNRISE 5:31 AM MDT SUNSET 8:36 PM MDT  
MAY 30 2023...........SUNRISE 5:31 AM MDT SUNSET 8:36 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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