286  
CDUS45 KRIW 080732  
CLICPR  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
132 AM MDT MON MAY 08 2023  
   
...............................
 
 
   
..THE CASPER WY CLIMATE SUMMARY FOR MAY 7 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 63 4:30 PM 85 1992 63 0 67  
MINIMUM 39 9:56 PM 21 2010 34 5 31  
AVERAGE 51 48 3  
 
PRECIPITATION (IN)  
YESTERDAY T 0.47 1986 0.07 -0.07 T  
MONTH TO DATE 0.12 0.46 -0.34 0.32  
SINCE MAR 1 2.26 2.71 -0.45 3.84  
SINCE JAN 1 4.94 3.76 1.18 5.59  
 
SNOWFALL (IN)  
YESTERDAY 0.0 2.1 1986 0.2 -0.2 0.0  
MONTH TO DATE 0.0 1.1 -1.1 0.0  
SINCE MAR 1 48.3 21.9 26.4 39.2  
SINCE JUL 1 134.3 70.2 64.1 97.8  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 14 17 -3 16  
MONTH TO DATE 91 126 -35 118  
SINCE MAR 1 2033 1715 318 1918  
SINCE JUL 1 7734 7077 657 6777  
 
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 32 HIGHEST WIND DIRECTION SW (240)  
HIGHEST GUST SPEED 47 HIGHEST GUST DIRECTION SW (220)  
AVERAGE WIND SPEED 18.3  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 70 5:00 AM  
LOWEST 20 1:00 PM  
AVERAGE 45  
   
......................................................
 
 
THE CASPER WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 63 84 1987  
MINIMUM TEMPERATURE (F) 34 18 2010  
 
SUNRISE AND SUNSET  
MAY 8 2023...........SUNRISE 5:51 AM MDT SUNSET 8:14 PM MDT  
MAY 9 2023...........SUNRISE 5:50 AM MDT SUNSET 8:16 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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