214  
CDUS45 KRIW 180736  
CLIBPI  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
136 AM MDT SUN MAY 18 2025  
   
...............................  
 
   
..THE BIG PINEY WY CLIMATE SUMMARY FOR MAY 17 2025  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1976 TO 2025  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 60 1:35 PM 79 2006 62 -2 69  
MINIMUM 27 4:31 AM 18 1983 29 -2 31  
AVERAGE 44 46 -2  
 
PRECIPITATION (IN)  
YESTERDAY 0.07 0.37 1980 0.04 0.03 0.00  
MONTH TO DATE 0.29 0.71 -0.42 0.30  
SINCE MAR 1 2.59 1.82 0.77 1.24  
SINCE JAN 1 3.06 2.63 0.43 1.70  
 
DEGREE DAYS  
HEATING  
YESTERDAY 21 19 2 15  
MONTH TO DATE 311 374 -63 390  
SINCE MAR 1 2214 2415 -201 2281  
SINCE JUL 1 9202 9844 -642 8808  
 
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 26 HIGHEST WIND DIRECTION SW (220)  
HIGHEST GUST SPEED 37 HIGHEST GUST DIRECTION SW (220)  
AVERAGE WIND SPEED 8.7  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
RAIN  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 11:00 PM  
LOWEST 32 12:00 PM  
AVERAGE 63  
   
......................................................  
 
THE BIG PINEY WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 63 81 2006  
MINIMUM TEMPERATURE (F) 30 18 1999  
 
SUNRISE AND SUNSET  
MAY 18 2025...........SUNRISE 5:55 AM MDT SUNSET 8:39 PM MDT  
MAY 19 2025...........SUNRISE 5:54 AM MDT SUNSET 8:40 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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