285  
CDUS45 KRIW 150731  
CLICPR  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
131 AM MDT SUN MAR 15 2026  
   
...............................
 
 
   
..THE CASPER WY CLIMATE SUMMARY FOR MARCH 14 2026
 
 
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)  
YESTERDAY  
MAXIMUM 57 12:12 PM 71 2003 49 8 41  
MINIMUM 19 11:59 PM -3 1944 23 -4 27  
AVERAGE 38 36 2  
 
PRECIPITATION (IN)  
YESTERDAY 0.10 0.85 2021 0.03 0.07 0.03  
MONTH TO DATE 0.16 0.33 -0.17 0.90  
SINCE MAR 1 0.16 0.33 -0.17 0.90  
SINCE JAN 1 0.70 1.38 -0.68 1.62  
 
SNOWFALL (IN)  
YESTERDAY 0.6 21.2 2021 0.3 0.3 T  
MONTH TO DATE 0.6 4.5 -3.9 5.5  
SINCE MAR 1 0.6 4.5 -3.9 5.5  
SINCE JUL 1 16.3 52.8 -36.5 16.0  
SNOW DEPTH 1  
 
DEGREE DAYS  
HEATING  
YESTERDAY 27 30 -3 31  
MONTH TO DATE 342 450 -108 429  
SINCE MAR 1 342 450 -108 429  
SINCE JUL 1 4519 5812 -1293 5444  
 
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 45 HIGHEST WIND DIRECTION W (250)  
HIGHEST GUST SPEED 67 HIGHEST GUST DIRECTION NE (30)  
AVERAGE WIND SPEED 24.5  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT SNOW  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 92 8:00 PM  
LOWEST 22 12:00 PM  
AVERAGE 57  
   
......................................................
 
 
THE CASPER WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 49 73 2015  
MINIMUM TEMPERATURE (F) 23 -2 1943  
 
SUNRISE AND SUNSET  
MARCH 15 2026.........SUNRISE 7:18 AM MDT SUNSET 7:12 PM MDT  
MARCH 16 2026.........SUNRISE 7:16 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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