031  
CDUS45 KRIW 300045  
CLICPR  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
645 PM MDT WED APR 29 2026  
   
...............................  
 
   
..THE CASPER WY CLIMATE SUMMARY FOR APRIL 29 2026  
 
VALID TODAY AS OF 0600 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1939 TO 2026  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 55 4:11 PM 83 1992 60 -5 66  
MINIMUM 22 5:08 AM 16 1990 31 -9 32  
2019  
AVERAGE 39 45 -6 49  
 
PRECIPITATION (IN)  
TODAY 0.00 0.62 1997 0.06 -0.06 0.00  
MONTH TO DATE 1.28 1.35 -0.07 1.18  
SINCE MAR 1 1.44 2.19 -0.75 2.51  
SINCE JAN 1 1.98 3.24 -1.26 3.23  
 
SNOWFALL (IN)  
TODAY MM 0.3 MM 0.0  
MONTH TO DATE 9.8 10.3 -0.5 7.7  
SINCE MAR 1 11.4 20.6 -9.2 15.7  
SINCE JUL 1 27.1 68.9 -41.8 26.2  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
TODAY 26 20 6 16  
MONTH TO DATE 597 665 -68 677  
SINCE MAR 1 1183 1572 -389 1526  
SINCE JUL 1 5360 6934 -1574 6541  
 
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 16 HIGHEST WIND DIRECTION NW (320)  
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION NW (330)  
AVERAGE WIND SPEED 6.4  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 96  
LOWEST 31  
AVERAGE 64  
   
......................................................  
 
THE CASPER WY CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 60 84 1992  
2021  
MINIMUM TEMPERATURE (F) 31 18 1967  
 
SUNRISE AND SUNSET  
APRIL 29 2026.........SUNRISE 6:02 AM MDT SUNSET 8:05 PM MDT  
APRIL 30 2026.........SUNRISE 6:01 AM MDT SUNSET 8:06 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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