296  
CDUS45 KRIW 220031  
CLICPR  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
631 PM MDT SUN MAY 21 2023  
   
...............................
 
 
   
..THE CASPER WY CLIMATE SUMMARY FOR MAY 21 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 77 4:04 PM 87 1964 69 8 50  
2006  
MINIMUM 40 3:06 AM 26 2001 39 1 27  
AVERAGE 59 54 5 39  
 
PRECIPITATION (IN)  
TODAY 0.00 1.04 1962 0.08 -0.08 T  
MONTH TO DATE 1.33 1.52 -0.19 0.87  
SINCE MAR 1 3.47 3.77 -0.30 4.39  
SINCE JAN 1 6.15 4.82 1.33 6.14  
 
SNOWFALL (IN)  
TODAY 0.0 0.0 0.0 T  
MONTH TO DATE 0.0 2.3 -2.3 0.7  
SINCE MAR 1 48.3 23.1 25.2 39.9  
SINCE JUL 1 134.3 71.4 62.9 98.5  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 6 11 -5 26  
MONTH TO DATE 255 318 -63 355  
SINCE MAR 1 2197 1907 290 2155  
SINCE JUL 1 7898 7269 629 7014  
 
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 10 HIGHEST WIND DIRECTION E (90)  
HIGHEST GUST SPEED 14 HIGHEST GUST DIRECTION W (280)  
AVERAGE WIND SPEED 4.2  
 
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 93  
LOWEST 25  
AVERAGE 59  
   
......................................................
 
 
THE CASPER WY CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 69 86 1980  
2006  
MINIMUM TEMPERATURE (F) 39 22 2022  
 
SUNRISE AND SUNSET  
MAY 21 2023...........SUNRISE 5:37 AM MDT SUNSET 8:28 PM MDT  
MAY 22 2023...........SUNRISE 5:36 AM MDT SUNSET 8:29 PM MDT  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.

The Nexlab WY Page Main Text Page