620  
CDUS45 KRIW 260732  
CLICPR  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
132 AM MDT WED APR 26 2023  
   
...............................
 
 
   
..THE CASPER WY CLIMATE SUMMARY FOR APRIL 25 2023
 
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1939 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 48 2:40 PM 79 1987 58 -10 52  
MINIMUM 31 11:59 PM 18 2008 30 1 22  
AVERAGE 40 44 -4  
 
PRECIPITATION (IN)  
YESTERDAY 0.06 0.84 1964 0.06 0.00 0.00  
MONTH TO DATE 1.49 1.12 0.37 1.86  
SINCE MAR 1 2.14 1.96 0.18 3.40  
SINCE JAN 1 4.82 3.01 1.81 5.15  
 
SNOWFALL (IN)  
YESTERDAY 0.0 7.5 1985 0.3 -0.3 0.0  
MONTH TO DATE 38.9 9.2 29.7 18.5  
SINCE MAR 1 48.2 19.5 28.7 39.2  
SINCE JUL 1 134.2 67.8 66.4 97.8  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 25 21 4 28  
MONTH TO DATE 677 584 93 724  
SINCE MAR 1 1857 1491 366 1711  
SINCE JUL 1 7558 6853 705 6570  
 
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 21 HIGHEST WIND DIRECTION E (80)  
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION E (80)  
AVERAGE WIND SPEED 10.3  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 1.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97 11:00 PM  
LOWEST 58 11:00 AM  
AVERAGE 78  
   
......................................................
 
 
THE CASPER WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 59 80 1946  
1981  
2012  
MINIMUM TEMPERATURE (F) 30 17 1988  
2010  
 
SUNRISE AND SUNSET  
APRIL 26 2023.........SUNRISE 6:07 AM MDT SUNSET 8:01 PM MDT  
APRIL 27 2023.........SUNRISE 6:06 AM MDT SUNSET 8:02 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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