628  
CDUS45 KRIW 200027  
CLICPR  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
627 PM MDT FRI MAY 19 2023  
   
...............................
 
 
   
..THE CASPER WY CLIMATE SUMMARY FOR MAY 19 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 68 4:19 PM 89 1992 68 0 61  
2009  
MINIMUM 34 4:38 AM 27 1966 38 -4 32  
1968  
AVERAGE 51 53 -2 47  
 
PRECIPITATION (IN)  
TODAY 0.00 1.24 2013 0.08 -0.08 0.14  
MONTH TO DATE 1.33 1.37 -0.04 0.81  
SINCE MAR 1 3.47 3.62 -0.15 4.33  
SINCE JAN 1 6.15 4.67 1.48 6.08  
 
SNOWFALL (IN)  
TODAY MM 0.0 MM 0.5  
MONTH TO DATE 0.0 2.2 -2.2 0.7  
SINCE MAR 1 48.3 23.0 25.3 39.9  
SINCE JUL 1 134.3 71.3 63.0 98.5  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
TODAY 14 12 2 18  
MONTH TO DATE 241 295 -54 301  
SINCE MAR 1 2183 1884 299 2101  
SINCE JUL 1 7884 7246 638 6960  
 
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 12 HIGHEST WIND DIRECTION NE (60)  
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION E (80)  
AVERAGE WIND SPEED 2.9  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100  
LOWEST 32  
AVERAGE 66  
   
......................................................
 
 
THE CASPER WY CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 69 89 1954  
1964  
MINIMUM TEMPERATURE (F) 39 24 2003  
 
SUNRISE AND SUNSET  
MAY 19 2023...........SUNRISE 5:39 AM MDT SUNSET 8:26 PM MDT  
MAY 20 2023...........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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