931  
CDUS45 KRIW 230739  
CLIGEY  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
1239 AM MST SAT DEC 23 2023  
   
...............................  
 
   
..THE GREYBULL WY CLIMATE SUMMARY FOR DECEMBER 22 2023  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1998 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 47 3:03 PM 54 2020 29 18 -15  
MINIMUM 16 8:11 AM -36 2022 6 10 -36  
AVERAGE 32 18 14 -25  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.20 1999 0.00 0.00 T  
MONTH TO DATE T 0.08 -0.08 0.03  
SINCE DEC 1 T 0.08 -0.08 0.03  
SINCE JAN 1 8.68 5.52 3.16 5.90  
 
DEGREE DAYS  
HEATING  
YESTERDAY 33 47 -14 90  
MONTH TO DATE 802 988 -186 1133  
SINCE DEC 1 802 988 -186 1133  
SINCE JUL 1 2407 2765 -358 3065  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 702 744 -42 943    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 8 HIGHEST WIND DIRECTION NW (310)  
HIGHEST GUST SPEED 10 HIGHEST GUST DIRECTION E (110)  
AVERAGE WIND SPEED 2.7  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 92 10:00 AM  
LOWEST 47 3:00 PM  
AVERAGE 70  
   
......................................................  
 
THE GREYBULL WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 29 56 2021  
MINIMUM TEMPERATURE (F) 6 -27 2022  
 
SUNRISE AND SUNSET  
DECEMBER 23 2023......SUNRISE 7:46 AM MST SUNSET 4:36 PM MST  
DECEMBER 24 2023......SUNRISE 7:47 AM MST SUNSET 4:37 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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