119  
CDUS45 KRIW 200745  
CLIBPI  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
1245 AM MST WED DEC 20 2023  
   
...............................
 
 
   
..THE BIG PINEY WY CLIMATE SUMMARY FOR DECEMBER 19 2023
 
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1976 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 37 2:58 PM 42 1980 27 10 13  
MINIMUM 7 3:33 AM -28 1992 -2 9 -23  
AVERAGE 22 12 10  
 
PRECIPITATION (IN)  
YESTERDAY T 0.17 2013 0.01 -0.01 0.00  
MONTH TO DATE 0.09 0.13 -0.04 0.29  
SINCE DEC 1 0.09 0.13 -0.04 0.29  
SINCE JAN 1 9.53 7.56 1.97 5.24  
 
DEGREE DAYS  
HEATING  
YESTERDAY 43 54 -11 70  
MONTH TO DATE 847 973 -126 1064  
SINCE DEC 1 847 973 -126 1064  
SINCE JUL 1 3288 3726 -438 3504  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 47 30 17 67    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 9 HIGHEST WIND DIRECTION E (70)  
HIGHEST GUST SPEED 10 HIGHEST GUST DIRECTION N (340)  
AVERAGE WIND SPEED 3.9  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 88 2:00 AM  
LOWEST 46 3:00 PM  
AVERAGE 67  
   
......................................................
 
 
THE BIG PINEY WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 26 45 1980  
2017  
MINIMUM TEMPERATURE (F) -2 -28 1998  
 
SUNRISE AND SUNSET  
DECEMBER 20 2023......SUNRISE 7:46 AM MST SUNSET 4:50 PM MST  
DECEMBER 21 2023......SUNRISE 7:47 AM MST SUNSET 4:50 PM MST  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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