279  
CDUS45 KRIW 190729  
CLICPR  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
129 AM MDT SUN MAY 19 2024  
   
...............................  
 
   
..THE CASPER WY CLIMATE SUMMARY FOR MAY 18 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 74 3:26 PM 88 1992 68 6 61  
2009  
MINIMUM 35 5:14 AM 25 1943 38 -3 40  
AVERAGE 55 53 2  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.19 1978 0.08 -0.08 0.22  
MONTH TO DATE 1.85 1.29 0.56 1.33  
SINCE MAR 1 3.64 3.54 0.10 3.47  
SINCE JAN 1 4.67 4.59 0.08 5.88  
 
SNOWFALL (IN)  
YESTERDAY 0.0 5.4 1978 0.1 -0.1 0.0  
MONTH TO DATE 3.9 2.2 1.7 0.0  
SINCE MAR 1 13.2 23.0 -9.8 48.3  
SINCE JUL 1 42.5 71.3 -28.8 127.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 10 12 -2 14  
MONTH TO DATE 296 283 13 227  
SINCE MAR 1 1822 1872 -50 2169  
SINCE JUL 1 6777 7234 -457 7869  
 
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 29 HIGHEST WIND DIRECTION W (250)  
HIGHEST GUST SPEED 41 HIGHEST GUST DIRECTION SW (240)  
AVERAGE WIND SPEED 10.6  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 85 2:00 AM  
LOWEST 14 3:00 PM  
AVERAGE 50  
   
......................................................  
 
THE CASPER WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 68 89 1992  
2009  
MINIMUM TEMPERATURE (F) 38 27 1966  
1968  
 
SUNRISE AND SUNSET  
MAY 19 2024...........SUNRISE 5:38 AM MDT SUNSET 8:27 PM MDT  
MAY 20 2024...........SUNRISE 5:38 AM MDT SUNSET 8:28 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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