328  
CDUS45 KRIW 200742  
CLIRKS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
142 AM MDT SAT MAY 20 2023  
   
...............................
 
 
   
..THE ROCK SPRINGS WY CLIMATE SUMMARY FOR MAY 19 2023
 
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1948 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 68 4:51 PM 86 1954 64 4 66  
MINIMUM 41 5:39 AM 25 2003 40 1 32  
AVERAGE 55 52 3  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.70 1953 0.04 -0.04 0.01  
MONTH TO DATE 0.26 0.80 -0.54 0.37  
SINCE MAR 1 0.70 2.29 -1.59 0.96  
SINCE JAN 1 0.93 3.04 -2.11 0.97  
 
DEGREE DAYS  
HEATING  
YESTERDAY 10 13 -3 16  
MONTH TO DATE 239 311 -72 309  
SINCE MAR 1 2370 1984 386 2049  
SINCE JUL 1 8226 7774 452 7320  
 
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 17 HIGHEST WIND DIRECTION E (70)  
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION NE (40)  
AVERAGE WIND SPEED 7.2  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 1:00 AM  
LOWEST 19 6:00 PM  
AVERAGE 56  
   
......................................................
 
 
THE ROCK SPRINGS WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 65 86 1954  
MINIMUM TEMPERATURE (F) 40 26 2022  
 
SUNRISE AND SUNSET  
MAY 20 2023...........SUNRISE 5:52 AM MDT SUNSET 8:34 PM MDT  
MAY 21 2023...........SUNRISE 5:52 AM MDT SUNSET 8:35 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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