129  
CDUS45 KRIW 010736  
CLIRKS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
136 AM MDT THU MAY 01 2025  
   
...............................  
 
   
..THE ROCK SPRINGS WY CLIMATE SUMMARY FOR APRIL 30 2025  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1948 TO 2025  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 59 1:20 PM 78 2021 57 2 50  
MINIMUM 38 11:59 PM 15 1967 33 5 29  
AVERAGE 49 45 4  
 
PRECIPITATION (IN)  
YESTERDAY 0.14 0.49 2019 0.04 0.10 0.00  
MONTH TO DATE 0.48 0.91 -0.43 0.44  
SINCE MAR 1 1.71 1.49 0.22 1.60  
SINCE JAN 1 1.97 2.24 -0.27 2.07  
 
DEGREE DAYS  
HEATING  
YESTERDAY 16 20 -4 25  
MONTH TO DATE 557 712 -155 642  
SINCE MAR 1 1431 1673 -242 1628  
SINCE JUL 1 6652 7463 -811 6936  
 
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 25 HIGHEST WIND DIRECTION W (250)  
HIGHEST GUST SPEED 34 HIGHEST GUST DIRECTION SW (230)  
AVERAGE WIND SPEED 13.4  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
RAIN  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 86 7:00 AM  
LOWEST 33 1:00 PM  
AVERAGE 60  
   
......................................................  
 
THE ROCK SPRINGS WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 57 76 2023  
MINIMUM TEMPERATURE (F) 33 14 1967  
 
SUNRISE AND SUNSET  
MAY 1 2025...........SUNRISE 6:13 AM MDT SUNSET 8:15 PM MDT  
MAY 2 2025...........SUNRISE 6:11 AM MDT SUNSET 8:16 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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