909  
CDUS45 KRIW 160031  
CLICPR  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
631 PM MDT WED MAY 15 2024  
   
...............................  
 
   
..THE CASPER WY CLIMATE SUMMARY FOR MAY 15 2024  
 
VALID TODAY AS OF 0600 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 63 4:59 PM 87 1984 66 -3 70  
MINIMUM 43 5:57 AM 27 1983 37 6 45  
AVERAGE 53 52 1 58  
 
PRECIPITATION (IN)  
TODAY 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)  
TODAY 0.0 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  
TODAY 12 13 -1 7  
MONTH TO DATE 272 245 27 199  
SINCE MAR 1 1798 1834 -36 2141  
SINCE JUL 1 6753 7196 -443 7841  
 
COOLING  
TODAY 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 W (260)  
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION NW (310)  
AVERAGE WIND SPEED 4.7  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
RAIN  
LIGHT RAIN  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97  
LOWEST 36  
AVERAGE 67  
   
......................................................  
 
THE CASPER WY CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 67 88 2012  
MINIMUM TEMPERATURE (F) 37 25 2009  
 
SUNRISE AND SUNSET  
MAY 15 2024...........SUNRISE 5:42 AM MDT SUNSET 8:23 PM MDT  
MAY 16 2024...........SUNRISE 5:41 AM MDT SUNSET 8:24 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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