819  
CDUS45 KRIW 090740  
CLICPR  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
1240 AM MST SUN MAR 09 2025  
   
...............................
 
 
   
..THE CASPER WY CLIMATE SUMMARY FOR MARCH 8 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 32 4:20 PM 66 2021 46 -14 42  
MINIMUM 13 7:52 AM -6 1969 21 -8 20  
2023  
AVERAGE 23 33 -10  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.56 1992 0.02 -0.02 0.00  
MONTH TO DATE 0.87 0.18 0.69 0.01  
SINCE MAR 1 0.87 0.18 0.69 0.01  
SINCE JAN 1 1.59 1.23 0.36 1.04  
 
SNOWFALL (IN)  
YESTERDAY 0.0 7.7 1979 0.4 -0.4 0.0  
MONTH TO DATE 2.0 2.7 -0.7 T  
SINCE MAR 1 2.0 2.7 -0.7 T  
SINCE JUL 1 12.5 51.0 -38.5 29.3  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
YESTERDAY 42 32 10 34  
MONTH TO DATE 280 267 13 253  
SINCE MAR 1 280 267 13 253  
SINCE JUL 1 5295 5629 -334 5208  
 
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 29 HIGHEST WIND DIRECTION SW (210)  
HIGHEST GUST SPEED 37 HIGHEST GUST DIRECTION S (200)  
AVERAGE WIND SPEED 17.6  
 
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 84 12:00 AM  
LOWEST 69 12:00 PM  
AVERAGE 77  
   
......................................................
 
 
THE CASPER WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 46 69 1972  
MINIMUM TEMPERATURE (F) 21 -22 2022  
 
SUNRISE AND SUNSET  
MARCH 9 2025.........SUNRISE 7:28 AM MDT SUNSET 7:06 PM MDT  
MARCH 10 2025.........SUNRISE 7:26 AM MDT SUNSET 7:07 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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