564  
CDUS45 KRIW 050731  
CLIP60  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
1231 AM MST THU FEB 05 2026  
   
...............................  
 
   
..THE LAKE YELLOWSTONE WY CLIMATE SUMMARY FOR FEBRUARY 4 2026  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1998 TO 2026  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 36 3:29 PM 45 2000 24 12 40  
MINIMUM 7 5:33 AM -25 2020 0 7 24  
AVERAGE 22 12 10 32  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.48 2017 0.06 -0.06 0.00  
MONTH TO DATE 0.00 0.23 -0.23 1.14  
SINCE DEC 1 7.03 4.38 2.65 4.01  
SINCE JAN 1 1.61 2.03 -0.42 2.68  
 
DEGREE DAYS  
HEATING  
YESTERDAY 43 53 -10 33  
MONTH TO DATE 165 212 -47 144  
SINCE DEC 1 2958 3467 -509 3264  
SINCE JUL 1 5916 6974 -1058 6371  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 0 0 0 0    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 6 HIGHEST WIND DIRECTION NW (310)  
HIGHEST GUST SPEED 10 HIGHEST GUST DIRECTION NE (60)  
AVERAGE WIND SPEED 0.7  
 
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 9:00 PM  
LOWEST 63 3:00 PM  
AVERAGE 78  
   
......................................................  
 
THE LAKE YELLOWSTONE WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 24 49 2000  
MINIMUM TEMPERATURE (F) 0 -28 2014  
 
SUNRISE AND SUNSET  
FEBRUARY 5 2026......SUNRISE 7:35 AM MST SUNSET 5:37 PM MST  
FEBRUARY 6 2026......SUNRISE 7:34 AM MST SUNSET 5:38 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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