123  
CDUS45 KRIW 160743  
CLICPR  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
143 AM MDT THU MAY 16 2024  
   
...............................  
 
   
..THE CASPER WY CLIMATE SUMMARY FOR MAY 15 2024  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1939 TO 2024  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 63 5:04 PM 87 1984 66 -3 70  
MINIMUM 40 11:09 PM 27 1983 37 3 45  
AVERAGE 52 52 0  
 
PRECIPITATION (IN)  
YESTERDAY 0.54 1.52 1991 0.08 0.46 0.00  
MONTH TO DATE 1.85 1.06 0.79 0.93  
SINCE MAR 1 3.64 3.31 0.33 3.07  
SINCE JAN 1 4.67 4.36 0.31 5.48  
 
SNOWFALL (IN)  
YESTERDAY 0.0 1.4 1976 0.1 -0.1 0.0  
MONTH TO DATE 3.9 2.0 1.9 0.0  
SINCE MAR 1 13.2 22.8 -9.6 48.3  
SINCE JUL 1 42.5 71.1 -28.6 127.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 13 13 0 7  
MONTH TO DATE 273 245 28 199  
SINCE MAR 1 1799 1834 -35 2141  
SINCE JUL 1 6754 7196 -442 7841  
 
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 16 HIGHEST WIND DIRECTION NW (310)  
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION NW (310)  
AVERAGE WIND SPEED 4.6  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
RAIN  
LIGHT RAIN  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97 4:00 AM  
LOWEST 36 5:00 PM  
AVERAGE 67  
   
......................................................  
 
THE CASPER WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 67 88 2012  
MINIMUM TEMPERATURE (F) 37 25 2009  
 
SUNRISE AND SUNSET  
MAY 16 2024...........SUNRISE 5:41 AM MDT SUNSET 8:24 PM MDT  
MAY 17 2024...........SUNRISE 5:40 AM MDT SUNSET 8:25 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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