988  
CDUS45 KRIW 140727  
CLIRKS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
127 AM MDT WED APR 14 2021  
   
...............................
 
 
   
..THE ROCK SPRINGS WY CLIMATE SUMMARY FOR APRIL 13 2021
 
 
CLIMATE NORMAL PERIOD: 1981 TO 2010  
CLIMATE RECORD PERIOD: 1948 TO 2021  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 39 12:46 PM 72 1988 53 -14 31  
MINIMUM 17 6:00 AM 8 2020 29 -12 8  
AVERAGE 28 41 -13  
 
PRECIPITATION (IN)  
YESTERDAY T 0.25 1972 0.03 -0.03 T  
MONTH TO DATE T 0.35 -0.35 0.20  
SINCE MAR 1 0.39 1.03 -0.64 0.45  
SINCE JAN 1 0.69 1.96 -1.27 0.49  
 
DEGREE DAYS  
HEATING  
YESTERDAY 37 24 13 45  
MONTH TO DATE 302 334 -32 371  
SINCE MAR 1 1294 1311 -17 1316  
SINCE JUL 1 6941 7163 -222 7467  
 
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 40 HIGHEST WIND DIRECTION NE (60)  
HIGHEST GUST SPEED 51 HIGHEST GUST DIRECTION NE (60)  
AVERAGE WIND SPEED 27.4  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT SNOW  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 73 6:00 AM  
LOWEST 27 1:00 PM  
AVERAGE 50  
   
......................................................
 
 
THE ROCK SPRINGS WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 53 72 1985  
MINIMUM TEMPERATURE (F) 29 11 2014  
 
SUNRISE AND SUNSET  
APRIL 14 2021.........SUNRISE 6:37 AM MDT SUNSET 7:56 PM MDT  
APRIL 15 2021.........SUNRISE 6:36 AM MDT SUNSET 7:57 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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