876  
CDUS45 KRIW 170030  
CLICPR  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
630 PM MDT TUE MAY 16 2023  
   
...............................
 
 
   
..THE CASPER WY CLIMATE SUMMARY FOR MAY 16 2023
 
 
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1939 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 75 2:51 PM 88 2012 67 8 82  
MINIMUM 46 3:16 AM 25 2009 37 9 31  
AVERAGE 61 52 9 57  
 
PRECIPITATION (IN)  
TODAY 0.00 0.80 1991 0.07 -0.07 0.02  
MONTH TO DATE 0.93 1.13 -0.20 0.56  
SINCE MAR 1 3.07 3.38 -0.31 4.08  
SINCE JAN 1 5.75 4.43 1.32 5.83  
 
SNOWFALL (IN)  
TODAY 0.0 0.0 0.0 0.0  
MONTH TO DATE 0.0 2.0 -2.0 0.2  
SINCE MAR 1 48.3 22.8 25.5 39.4  
SINCE JUL 1 134.3 71.1 63.2 98.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 4 13 -9 8  
MONTH TO DATE 203 258 -55 268  
SINCE MAR 1 2145 1847 298 2068  
SINCE JUL 1 7846 7209 637 6927  
 
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 21 HIGHEST WIND DIRECTION N (10)  
HIGHEST GUST SPEED 28 HIGHEST GUST DIRECTION N (10)  
AVERAGE WIND SPEED 10.4  
 
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 90  
LOWEST 27  
AVERAGE 59  
   
......................................................
 
 
THE CASPER WY CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 67 87 1948  
MINIMUM TEMPERATURE (F) 38 28 1942  
1986  
1990  
 
SUNRISE AND SUNSET  
MAY 16 2023...........SUNRISE 5:42 AM MDT SUNSET 8:23 PM MDT  
MAY 17 2023...........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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