027  
CDUS45 KRIW 010732  
CLICPR  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
1232 AM MST SUN MAR 01 2026  
   
...............................
 
 
   
..THE CASPER WY CLIMATE SUMMARY FOR FEBRUARY 28 2026
 
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1939 TO 2026  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 60 2:45 PM 61 1972 42 18 59  
MINIMUM 30 6:28 AM -20 1996 18 12 23  
AVERAGE 45 30 15  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.21 1994 0.02 -0.02 0.00  
MONTH TO DATE 0.35 0.56 -0.21 0.24  
SINCE DEC 1 0.90 1.66 -0.76 0.88  
SINCE JAN 1 0.54 1.05 -0.51 0.72  
 
SNOWFALL (IN)  
YESTERDAY 0.0 6.4 1952 0.4 -0.4 0.0  
MONTH TO DATE 4.5 10.9 -6.4 2.3  
SINCE DEC 1 11.4 30.9 -19.5 10.5  
SINCE JUL 1 15.7 48.3 -32.6 10.5  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 20 35 -15 24  
MONTH TO DATE 824 1076 -252 1112  
SINCE DEC 1 2751 3561 -810 3515  
SINCE JUL 1 4177 5363 -1186 5015  
 
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 26 HIGHEST WIND DIRECTION SW (240)  
HIGHEST GUST SPEED 34 HIGHEST GUST DIRECTION SW (230)  
AVERAGE WIND SPEED 13.8  
 
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 54 6:00 AM  
LOWEST 12 1:00 PM  
AVERAGE 33  
   
......................................................
 
 
THE CASPER WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 43 64 1986  
MINIMUM TEMPERATURE (F) 18 -12 1960  
 
SUNRISE AND SUNSET  
MARCH 1 2026.........SUNRISE 6:41 AM MST SUNSET 5:55 PM MST  
MARCH 2 2026.........SUNRISE 6:40 AM MST SUNSET 5:57 PM MST  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.

The Nexlab WY Page Main Text Page