679  
CDUS45 KRIW 300045  
CLICPR  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
645 PM MDT FRI MAY 29 2026  
   
...............................  
 
   
..THE CASPER WY CLIMATE SUMMARY FOR MAY 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 85 1:38 PM 95 2003 72 13 72  
MINIMUM 45 4:40 AM 29 1947 41 4 41  
AVERAGE 65 57 8 57  
 
PRECIPITATION (IN)  
TODAY 0.00 1.19 1971 0.07 -0.07 0.00  
MONTH TO DATE 1.67 2.08 -0.41 1.28  
SINCE MAR 1 3.11 4.33 -1.22 4.20  
SINCE JAN 1 3.65 5.38 -1.73 4.92  
 
SNOWFALL (IN)  
TODAY MM 0.1 MM 0.0  
MONTH TO DATE 2.5 2.6 -0.1 0.3  
SINCE MAR 1 13.9 23.4 -9.5 16.0  
SINCE JUL 1 29.6 71.7 -42.1 26.5  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
TODAY 0 8 -8 8  
MONTH TO DATE 356 394 -38 363  
SINCE MAR 1 1562 1983 -421 1912  
SINCE JUL 1 5739 7345 -1606 6927  
 
COOLING  
TODAY 0 0 0 0  
MONTH TO DATE 1 0 1 0  
SINCE MAR 1 1 0 1 0  
SINCE JAN 1 1 0 1 0    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 26 HIGHEST WIND DIRECTION SE (120)  
HIGHEST GUST SPEED 37 HIGHEST GUST DIRECTION SE (130)  
AVERAGE WIND SPEED 7.7  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93  
LOWEST 15  
AVERAGE 54  
   
......................................................  
 
THE CASPER WY CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 73 92 1984  
MINIMUM TEMPERATURE (F) 42 29 2004  
2006  
2010  
 
SUNRISE AND SUNSET  
MAY 29 2026...........SUNRISE 5:31 AM MDT SUNSET 8:36 PM MDT  
MAY 30 2026...........SUNRISE 5:31 AM MDT SUNSET 8:37 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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