299  
CDUS41 KCTP 210718  
CLIJST  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE STATE COLLEGE PA  
218 AM EST SAT DEC 21 2024  
   
...............................
 
 
   
..THE JOHNSTOWN CLIMATE SUMMARY FOR DECEMBER 20 2024
 
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1892 TO 2024  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 31 333 PM 64 1957 37 -6 36  
MINIMUM 27 1159 PM -3 2004 24 3 17  
AVERAGE 29 30 -1 27  
 
PRECIPITATION (IN)  
YESTERDAY 0.03 1.27 1936 0.09 -0.06 0.00  
MONTH TO DATE 2.48 1.78 0.70 1.42  
SINCE DEC 1 2.48 1.78 0.70 1.42  
SINCE JAN 1 48.08 40.36 7.72 42.70  
 
DEGREE DAYS  
HEATING  
YESTERDAY 36 35 1 38  
MONTH TO DATE 672 651 21 551  
SINCE DEC 1 672 651 21 551  
SINCE JUL 1 1798 2021 -223 1794  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 652 480 172 450    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION NW (310)  
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION NW (310)  
AVERAGE WIND SPEED 8.3  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 1.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT SNOW  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 92 400 PM  
LOWEST 77 1200 AM  
AVERAGE 85  
   
......................................................
 
 
THE JOHNSTOWN CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 37 62 1957  
MINIMUM TEMPERATURE (F) 23 -10 1942  
 
SUNRISE AND SUNSET  
DECEMBER 21 2024......SUNRISE 735 AM EST SUNSET 453 PM EST  
DECEMBER 22 2024......SUNRISE 735 AM EST SUNSET 453 PM EST  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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