262  
CDUS45 KRIW 270739  
CLILND  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
139 AM MDT FRI OCT 27 2023  
   
...............................
 
 
   
..THE LANDER WY CLIMATE SUMMARY FOR OCTOBER 26 2023
 
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1891 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 27 3:32 PM 75 1977 54 -27 50  
MINIMUM 19 11:59 PM -9 2020 28 -9 19  
AVERAGE 23 41 -18  
 
PRECIPITATION (IN)  
YESTERDAY 0.14 0.55 1976 0.03 0.11 0.00  
MONTH TO DATE 1.97 1.22 0.75 0.31  
SINCE SEP 1 2.53 2.20 0.33 1.81  
SINCE JAN 1 15.75 11.64 4.11 11.53  
 
SNOWFALL (IN)  
YESTERDAY 1.3 5.9 2019 0.3 1.0 0.0  
MONTH TO DATE 1.3 8.7 -7.4 T  
SINCE SEP 1 1.3 10.2 -8.9 T  
SINCE JUL 1 1.3 10.2 -8.9 T  
SNOW DEPTH 1  
 
DEGREE DAYS  
HEATING  
YESTERDAY 42 24 18 30  
MONTH TO DATE 355 482 -127 384  
SINCE SEP 1 451 677 -226 491  
SINCE JUL 1 497 716 -219 492  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE SEP 1 29 32 -3 102  
SINCE JAN 1 361 484 -123 720    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION SE (120)  
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION NW (330)  
AVERAGE WIND SPEED 5.5  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 1.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
SNOW  
LIGHT SNOW  
FOG  
FOG W/VISIBILITY <= 1/4 MILE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 92 6:00 AM  
LOWEST 78 12:00 AM  
AVERAGE 85  
   
......................................................
 
 
THE LANDER WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 54 75 2016  
MINIMUM TEMPERATURE (F) 28 1 2020  
 
SUNRISE AND SUNSET  
OCTOBER 27 2023.......SUNRISE 7:43 AM MDT SUNSET 6:14 PM MDT  
OCTOBER 28 2023.......SUNRISE 7:44 AM MDT SUNSET 6:13 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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