149  
CDUS45 KRIW 170733  
CLICPR  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
133 AM MDT MON MAR 17 2025  
   
...............................  
 
   
..THE CASPER WY CLIMATE SUMMARY FOR MARCH 16 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 51 3:21 PM 71 1994 49 2 50  
MINIMUM 26 6:14 AM -8 2002 23 3 20  
AVERAGE 39 36 3  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.30 2021 0.03 -0.03 0.00  
MONTH TO DATE 0.90 0.38 0.52 0.26  
SINCE MAR 1 0.90 0.38 0.52 0.26  
SINCE JAN 1 1.62 1.43 0.19 1.29  
 
SNOWFALL (IN)  
YESTERDAY MM 3.7 2021 0.3 MM 0.0  
MONTH TO DATE 3.5 5.1 -1.6 0.9  
SINCE MAR 1 3.5 5.1 -1.6 0.9  
SINCE JUL 1 14.0 53.4 -39.4 30.2  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
YESTERDAY 26 29 -3 30  
MONTH TO DATE 487 508 -21 479  
SINCE MAR 1 487 508 -21 479  
SINCE JUL 1 5502 5870 -368 5434  
 
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 52 HIGHEST WIND DIRECTION SW (230)  
HIGHEST GUST SPEED 68 HIGHEST GUST DIRECTION SW (220)  
AVERAGE WIND SPEED 26.4  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 78 1:00 AM  
LOWEST 37 12:00 PM  
AVERAGE 58  
   
......................................................  
 
THE CASPER WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 50 71 2007  
2012  
MINIMUM TEMPERATURE (F) 23 -10 1965  
 
SUNRISE AND SUNSET  
MARCH 17 2025.........SUNRISE 7:14 AM MDT SUNSET 7:15 PM MDT  
MARCH 18 2025.........SUNRISE 7:12 AM MDT SUNSET 7:16 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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