978  
CDUS45 KRIW 050731  
CLICPR  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
131 AM MDT SAT APR 05 2025  
   
...............................
 
 
   
..THE CASPER WY CLIMATE SUMMARY FOR APRIL 4 2025
 
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1939 TO 2025  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 31 5:24 PM 75 2021 54 -23 70  
MINIMUM 22 11:36 PM 5 1968 27 -5 34  
AVERAGE 27 40 -13  
 
PRECIPITATION (IN)  
YESTERDAY 0.16 0.37 2023 0.04 0.12 0.00  
MONTH TO DATE 0.29 0.15 0.14 T  
SINCE MAR 1 1.62 0.99 0.63 0.57  
SINCE JAN 1 2.34 2.04 0.30 1.60  
 
SNOWFALL (IN)  
YESTERDAY 3.5 9.3 2023 0.4 3.1 0.0  
MONTH TO DATE 3.5 1.6 1.9 0.2  
SINCE MAR 1 11.5 11.9 -0.4 2.9  
SINCE JUL 1 22.0 60.2 -38.2 32.2  
SNOW DEPTH 3  
 
DEGREE DAYS  
HEATING  
YESTERDAY 38 25 13 13  
MONTH TO DATE 130 100 30 81  
SINCE MAR 1 979 1007 -28 974  
SINCE JUL 1 5994 6369 -375 5929  
 
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 37 HIGHEST WIND DIRECTION N (10)  
HIGHEST GUST SPEED 46 HIGHEST GUST DIRECTION N (10)  
AVERAGE WIND SPEED 12.7  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 1.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT SNOW  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 12:00 AM  
LOWEST 66 7:00 PM  
AVERAGE 83  
   
......................................................
 
 
THE CASPER WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 54 76 1991  
MINIMUM TEMPERATURE (F) 27 3 2023  
 
SUNRISE AND SUNSET  
APRIL 5 2025.........SUNRISE 6:40 AM MDT SUNSET 7:37 PM MDT  
APRIL 6 2025.........SUNRISE 6:39 AM MDT SUNSET 7:38 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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