140  
CDUS45 KRIW 210726  
CLICPR  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
126 AM MDT SAT MAR 21 2026  
   
...............................
 
 
   
..THE CASPER WY CLIMATE SUMMARY FOR MARCH 20 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 81R 3:07 PM 73 2007 51 30 51  
MINIMUM 45 1:13 AM -5 1955 24 21 26  
AVERAGE 63 37 26  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.71 1987 0.03 -0.03 0.00  
MONTH TO DATE 0.16 0.49 -0.33 0.91  
SINCE MAR 1 0.16 0.49 -0.33 0.91  
SINCE JAN 1 0.70 1.54 -0.84 1.63  
 
SNOWFALL (IN)  
YESTERDAY 0.0 8.6 1987 0.4 -0.4 0.0  
MONTH TO DATE 1.6 6.5 -4.9 6.1  
SINCE MAR 1 1.6 6.5 -4.9 6.1  
SINCE JUL 1 17.3 54.8 -37.5 16.6  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 2 28 -26 26  
MONTH TO DATE 444 620 -176 604  
SINCE MAR 1 444 620 -176 604  
SINCE JUL 1 4621 5982 -1361 5619  
 
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 W (280)  
HIGHEST GUST SPEED 38 HIGHEST GUST DIRECTION W (280)  
AVERAGE WIND SPEED 15.0  
 
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 35 6:00 AM  
LOWEST 8 3:00 PM  
AVERAGE 22  
   
......................................................
 
 
THE CASPER WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 51 72 2009  
MINIMUM TEMPERATURE (F) 24 -6 1955  
 
SUNRISE AND SUNSET  
MARCH 21 2026.........SUNRISE 7:07 AM MDT SUNSET 7:20 PM MDT  
MARCH 22 2026.........SUNRISE 7:05 AM MDT SUNSET 7:21 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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