766  
CDUS45 KRIW 210728  
CLICPR  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
128 AM MDT FRI MAR 21 2025  
   
...............................  
 
   
..THE CASPER WY CLIMATE SUMMARY FOR MARCH 20 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 2:06 PM 73 2007 51 0 61  
MINIMUM 26 11:59 PM -5 1955 24 2 19  
AVERAGE 39 37 2  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.71 1987 0.03 -0.03 0.00  
MONTH TO DATE 0.91 0.49 0.42 0.26  
SINCE MAR 1 0.91 0.49 0.42 0.26  
SINCE JAN 1 1.63 1.54 0.09 1.29  
 
SNOWFALL (IN)  
YESTERDAY 0.0 8.6 1987 0.4 -0.4 0.0  
MONTH TO DATE 3.6 6.5 -2.9 0.9  
SINCE MAR 1 3.6 6.5 -2.9 0.9  
SINCE JUL 1 14.1 54.8 -40.7 30.2  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 26 28 -2 25  
MONTH TO DATE 604 620 -16 574  
SINCE MAR 1 604 620 -16 574  
SINCE JUL 1 5619 5982 -363 5529  
 
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 41 HIGHEST WIND DIRECTION SW (210)  
HIGHEST GUST SPEED 59 HIGHEST GUST DIRECTION SW (210)  
AVERAGE WIND SPEED 25.0  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 67 5:00 PM  
LOWEST 25 1:00 PM  
AVERAGE 46  
   
......................................................  
 
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 2025.........SUNRISE 7:07 AM MDT SUNSET 7:20 PM MDT  
MARCH 22 2025.........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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