965  
CDUS45 KRIW 150738  
CLICPR  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
138 AM MDT MON MAY 15 2023  
   
...............................
 
 
   
..THE CASPER WY CLIMATE SUMMARY FOR MAY 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 56 2:52 PM 88 2013 66 -10 71  
MINIMUM 44 6:18 AM 22 2004 37 7 29  
AVERAGE 50 51 -1  
 
PRECIPITATION (IN)  
YESTERDAY 0.10 0.74 1957 0.07 0.03 T  
MONTH TO DATE 0.93 0.98 -0.05 0.54  
SINCE MAR 1 3.07 3.23 -0.16 4.06  
SINCE JAN 1 5.75 4.28 1.47 5.81  
 
SNOWFALL (IN)  
YESTERDAY 0.0 1.0 1970 0.1 -0.1 0.0  
MONTH TO DATE 0.0 1.9 -1.9 0.2  
SINCE MAR 1 48.3 22.7 25.6 39.4  
SINCE JUL 1 134.3 71.0 63.3 98.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 15 14 1 15  
MONTH TO DATE 192 232 -40 247  
SINCE MAR 1 2134 1821 313 2047  
SINCE JUL 1 7835 7183 652 6906  
 
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 24 HIGHEST WIND DIRECTION E (80)  
HIGHEST GUST SPEED 32 HIGHEST GUST DIRECTION E (80)  
AVERAGE WIND SPEED 13.1  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 1.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
RAIN  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 8:00 AM  
LOWEST 77 4:00 PM  
AVERAGE 89  
   
......................................................
 
 
THE CASPER WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 66 87 1984  
MINIMUM TEMPERATURE (F) 37 27 1983  
 
SUNRISE AND SUNSET  
MAY 15 2023...........SUNRISE 5:43 AM MDT SUNSET 8:22 PM MDT  
MAY 16 2023...........SUNRISE 5:42 AM MDT SUNSET 8:23 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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