965  
CDUS45 KRIW 200726  
CLIP60  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
126 AM MDT SAT APR 20 2024  
   
...............................  
 
   
..THE LAKE YELLOWSTONE WY CLIMATE SUMMARY FOR APRIL 19 2024  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1998 TO 2024  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 35 4:42 PM 56 2010 42 -7 24  
MINIMUM 1R 5:44 AM 5 2006 18 -17 14  
AVERAGE 18 30 -12 19  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.26 2022 0.07 -0.07 0.12  
MONTH TO DATE 0.70 1.51 -0.81 1.72  
SINCE MAR 1 5.01 3.41 1.60 5.75  
SINCE JAN 1 9.48 6.91 2.57 8.96  
 
DEGREE DAYS  
HEATING  
YESTERDAY 47 36 11 46  
MONTH TO DATE 605 719 -114 810  
SINCE MAR 1 1973 2077 -104 2398  
SINCE JUL 1 9447 10281 -834 10371  
 
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 7 HIGHEST WIND DIRECTION SE (130)  
HIGHEST GUST SPEED 12 HIGHEST GUST DIRECTION E (110)  
AVERAGE WIND SPEED 1.5  
 
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 87 12:00 AM  
LOWEST 36 5:00 PM  
AVERAGE 62  
   
......................................................  
 
THE LAKE YELLOWSTONE WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 42 57 2010  
2016  
MINIMUM TEMPERATURE (F) 18 -1 2023  
 
SUNRISE AND SUNSET  
APRIL 20 2024.........SUNRISE 6:28 AM MDT SUNSET 8:13 PM MDT  
APRIL 21 2024.........SUNRISE 6:27 AM MDT SUNSET 8:15 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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