921  
CDUS45 KRIW 150734  
CLICPR  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
134 AM MDT SAT APR 15 2023  
   
...............................
 
 
   
..THE CASPER WY CLIMATE SUMMARY FOR APRIL 14 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 40 3:03 PM 78 2015 56 -16 38  
MINIMUM 28 11:59 PM 0 1945 28 0 10  
AVERAGE 34 42 -8  
 
PRECIPITATION (IN)  
YESTERDAY 0.01 0.43 2012 0.05 -0.04 0.01  
MONTH TO DATE 1.34 0.58 0.76 0.74  
SINCE MAR 1 1.99 1.42 0.57 2.28  
SINCE JAN 1 4.67 2.47 2.20 4.03  
 
SNOWFALL (IN)  
YESTERDAY 0.2 4.5 2000 0.4 -0.2 0.0  
MONTH TO DATE 37.6 5.6 32.0 9.8  
SINCE MAR 1 46.9 15.9 31.0 30.5  
SINCE JUL 1 132.9 64.2 68.7 89.1  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 31 23 8 41  
MONTH TO DATE 399 340 59 430  
SINCE MAR 1 1579 1247 332 1417  
SINCE JUL 1 7280 6609 671 6276  
 
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 20 HIGHEST WIND DIRECTION NE (40)  
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION NE (40)  
AVERAGE WIND SPEED 9.9  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 1.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT SNOW  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 96 12:00 AM  
LOWEST 50 5:00 PM  
AVERAGE 73  
   
......................................................
 
 
THE CASPER WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 56 79 1962  
MINIMUM TEMPERATURE (F) 28 -3 1945  
 
SUNRISE AND SUNSET  
APRIL 15 2023.........SUNRISE 6:24 AM MDT SUNSET 7:48 PM MDT  
APRIL 16 2023.........SUNRISE 6:23 AM MDT SUNSET 7:49 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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