277  
CDUS45 KRIW 180031  
CLICPR  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
631 PM MDT FRI MAY 17 2024  
   
...............................  
 
   
..THE CASPER WY CLIMATE SUMMARY FOR MAY 17 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 79 1:31 PM 87 1948 67 12 71  
MINIMUM 44 3:13 AM 28 1942 38 6 41  
1986  
1990  
AVERAGE 62 52 10 56  
 
PRECIPITATION (IN)  
TODAY 0.00 2.22 2000 0.08 -0.08 0.18  
MONTH TO DATE 1.85 1.21 0.64 1.11  
SINCE MAR 1 3.64 3.46 0.18 3.25  
SINCE JAN 1 4.67 4.51 0.16 5.66  
 
SNOWFALL (IN)  
TODAY 0.0 0.1 -0.1 0.0  
MONTH TO DATE 3.9 2.1 1.8 0.0  
SINCE MAR 1 13.2 22.9 -9.7 48.3  
SINCE JUL 1 42.5 71.2 -28.7 127.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 3 13 -10 9  
MONTH TO DATE 284 271 13 213  
SINCE MAR 1 1810 1860 -50 2155  
SINCE JUL 1 6765 7222 -457 7855  
 
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 37 HIGHEST WIND DIRECTION W (260)  
HIGHEST GUST SPEED 53 HIGHEST GUST DIRECTION W (260)  
AVERAGE WIND SPEED 19.1  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 76  
LOWEST 18  
AVERAGE 47  
   
......................................................  
 
THE CASPER WY CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 68 88 1992  
2009  
MINIMUM TEMPERATURE (F) 38 25 1943  
 
SUNRISE AND SUNSET  
MAY 17 2024...........SUNRISE 5:40 AM MDT SUNSET 8:25 PM MDT  
MAY 18 2024...........SUNRISE 5:39 AM MDT SUNSET 8:26 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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