125  
CDUS45 KRIW 310745  
CLICPR  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
145 AM MDT MON JUL 31 2023  
   
...............................
 
 
   
..THE CASPER WY CLIMATE SUMMARY FOR JULY 30 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 96 2:12 PM 101 2006 90 6 96  
MINIMUM 57 3:38 AM 38 1971 55 2 52  
AVERAGE 77 72 5  
 
PRECIPITATION (IN)  
YESTERDAY 0.04 0.84 1985 0.04 0.00 0.00  
MONTH TO DATE 1.00 1.16 -0.16 0.31  
SINCE JUN 1 4.29 2.50 1.79 0.52  
SINCE JAN 1 11.14 8.01 3.13 8.40  
 
SNOWFALL (IN)  
YESTERDAY 0.0 0.0 2020 0.0 0.0 0.0  
MONTH TO DATE 0.0 0.0 0.0 0.0  
SINCE JUN 1 0.0 0.1 -0.1 0.0  
SINCE JUL 1 0.0 0.0 0.0 0.0  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 23 9 14 1  
SINCE JUN 1 170 135 35 126  
SINCE JUL 1 23 9 14 1  
 
COOLING  
YESTERDAY 12 8 4 9  
MONTH TO DATE 170 195 -25 232  
SINCE JUN 1 177 246 -69 284  
SINCE JAN 1 177 250 -73 284    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 41 HIGHEST WIND DIRECTION NW (330)  
HIGHEST GUST SPEED 57 HIGHEST GUST DIRECTION NW (330)  
AVERAGE WIND SPEED 8.7  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 81 4:00 AM  
LOWEST 18 4:00 PM  
AVERAGE 50  
   
......................................................
 
 
THE CASPER WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 90 99 1988  
MINIMUM TEMPERATURE (F) 55 42 1968  
 
SUNRISE AND SUNSET  
JULY 31 2023..........SUNRISE 5:56 AM MDT SUNSET 8:28 PM MDT  
AUGUST 1 2023........SUNRISE 5:57 AM MDT SUNSET 8:27 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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