375  
CDUS45 KRIW 160045  
CLICPR  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
645 PM MDT SAT MAR 15 2025  
   
...............................  
 
   
..THE CASPER WY CLIMATE SUMMARY FOR MARCH 15 2025  
 
VALID TODAY AS OF 0600 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 43 2:44 PM 73 2015 49 -6 44  
MINIMUM 22 5:40 AM -2 1943 23 -1 17  
AVERAGE 33 36 -3 31  
 
PRECIPITATION (IN)  
TODAY 0.00 0.33 1986 0.02 -0.02 0.00  
MONTH TO DATE 0.90 0.35 0.55 0.26  
SINCE MAR 1 0.90 0.35 0.55 0.26  
SINCE JAN 1 1.62 1.40 0.22 1.29  
 
SNOWFALL (IN)  
TODAY MM 0.3 MM 0.0  
MONTH TO DATE 3.5 4.8 -1.3 0.9  
SINCE MAR 1 3.5 4.8 -1.3 0.9  
SINCE JUL 1 14.0 53.1 -39.1 30.2  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
TODAY 32 29 3 34  
MONTH TO DATE 461 479 -18 449  
SINCE MAR 1 461 479 -18 449  
SINCE JUL 1 5476 5841 -365 5404  
 
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 21 HIGHEST WIND DIRECTION W (270)  
HIGHEST GUST SPEED 32 HIGHEST GUST DIRECTION SW (240)  
AVERAGE WIND SPEED 11.9  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 85  
LOWEST 29  
AVERAGE 57  
   
......................................................  
 
THE CASPER WY CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 49 71 1994  
MINIMUM TEMPERATURE (F) 23 -8 2002  
 
SUNRISE AND SUNSET  
MARCH 15 2025.........SUNRISE 7:17 AM MDT SUNSET 7:13 PM MDT  
MARCH 16 2025.........SUNRISE 7:15 AM MDT SUNSET 7:14 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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