395  
CDUS45 KRIW 190027  
CLICPR  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
627 PM MDT SAT MAY 18 2024  
   
...............................  
 
   
..THE CASPER WY CLIMATE SUMMARY FOR MAY 18 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 74 3:26 PM 88 1992 68 6 61  
2009  
MINIMUM 35 5:14 AM 25 1943 38 -3 40  
AVERAGE 55 53 2 51  
 
PRECIPITATION (IN)  
TODAY 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)  
TODAY 0.0 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  
TODAY 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  
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 29 HIGHEST WIND DIRECTION W (250)  
HIGHEST GUST SPEED 41 HIGHEST GUST DIRECTION SW (240)  
AVERAGE WIND SPEED 11.9  
 
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 85  
LOWEST 14  
AVERAGE 50  
   
......................................................  
 
THE CASPER WY CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 68 89 1992  
2009  
MINIMUM TEMPERATURE (F) 38 27 1966  
1968  
 
SUNRISE AND SUNSET  
MAY 18 2024...........SUNRISE 5:39 AM MDT SUNSET 8:26 PM MDT  
MAY 19 2024...........SUNRISE 5:38 AM MDT SUNSET 8:27 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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