183  
CDUS45 KRIW 120727  
CLICPR  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
127 AM MDT FRI MAY 12 2023  
   
...............................
 
 
   
..THE CASPER WY CLIMATE SUMMARY FOR MAY 11 2023
 
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1939 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 51 4:53 PM 83 1940 65 -14 61  
MINIMUM 46 11:59 PM 17 1968 35 11 38  
AVERAGE 49 50 -1  
 
PRECIPITATION (IN)  
YESTERDAY 0.26 0.87 2005 0.08 0.18 0.00  
MONTH TO DATE 0.47 0.76 -0.29 0.54  
SINCE MAR 1 2.61 3.01 -0.40 4.06  
SINCE JAN 1 5.29 4.06 1.23 5.81  
 
SNOWFALL (IN)  
YESTERDAY 0.0 4.2 2002 0.1 -0.1 0.0  
MONTH TO DATE 0.0 1.6 -1.6 0.2  
SINCE MAR 1 48.3 22.4 25.9 39.4  
SINCE JUL 1 134.3 70.7 63.6 98.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 16 15 1 15  
MONTH TO DATE 144 189 -45 194  
SINCE MAR 1 2086 1778 308 1994  
SINCE JUL 1 7787 7140 647 6853  
 
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 25 HIGHEST WIND DIRECTION N (340)  
HIGHEST GUST SPEED 31 HIGHEST GUST DIRECTION N (340)  
AVERAGE WIND SPEED 16.1  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 1.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 6:00 AM  
LOWEST 79 4:00 PM  
AVERAGE 90  
   
......................................................
 
 
THE CASPER WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 65 87 1960  
MINIMUM TEMPERATURE (F) 36 16 1953  
 
SUNRISE AND SUNSET  
MAY 12 2023...........SUNRISE 5:46 AM MDT SUNSET 8:19 PM MDT  
MAY 13 2023...........SUNRISE 5:45 AM MDT SUNSET 8:20 PM MDT  
 
- 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