914  
CDUS45 KRIW 130745  
CLICPR  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
145 AM MDT FRI OCT 13 2023  
   
...............................
 
 
   
..THE CASPER WY CLIMATE SUMMARY FOR OCTOBER 12 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 45 12:19 AM 81 1991 61 -16 59  
MINIMUM 33 3:15 PM 9 1969 32 1 32  
AVERAGE 39 47 -8  
 
PRECIPITATION (IN)  
YESTERDAY 1.34R 0.76 2021 0.04 1.30 0.00  
MONTH TO DATE 1.71 0.53 1.18 0.07  
SINCE SEP 1 2.30 1.48 0.82 0.88  
SINCE JAN 1 14.78 10.31 4.47 11.27  
 
SNOWFALL (IN)  
YESTERDAY MM 8.2 2021 0.2 MM 0.0  
MONTH TO DATE 0.0 2.3 -2.3 0.0  
SINCE SEP 1 0.0 3.8 -3.8 0.0  
SINCE JUL 1 0.0 3.8 -3.8 T  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
YESTERDAY 26 18 8 19  
MONTH TO DATE 160 191 -31 175  
SINCE SEP 1 287 405 -118 319  
SINCE JUL 1 340 450 -110 321  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE SEP 1 20 30 -10 68  
SINCE JAN 1 342 442 -100 544    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 35 HIGHEST WIND DIRECTION N (10)  
HIGHEST GUST SPEED 44 HIGHEST GUST DIRECTION N (10)  
AVERAGE WIND SPEED 17.8  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 1.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
RAIN  
LIGHT RAIN  
LIGHT SNOW  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97 3:00 AM  
LOWEST 89 6:00 PM  
AVERAGE 93  
   
......................................................
 
 
THE CASPER WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 61 80 1958  
MINIMUM TEMPERATURE (F) 32 9 1969  
 
SUNRISE AND SUNSET  
OCTOBER 13 2023.......SUNRISE 7:17 AM MDT SUNSET 6:27 PM MDT  
OCTOBER 14 2023.......SUNRISE 7:18 AM MDT SUNSET 6:25 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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