808
CXUS51 KCTP 011459
CLMJST

CLIMATE REPORT
NATIONAL WEATHER SERVICE STATE COLLEGE PA
959 AM EST WED JAN 01 2025

...................................

...THE JOHNSTOWN CLIMATE SUMMARY FOR THE MONTH OF DECEMBER 2024...

CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1892 TO 2024

WEATHER         OBSERVED          NORMAL  DEPART   LAST YEAR`S
                VALUE   DATE(S)   VALUE   FROM     VALUE DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH             76   12/08/1951
 LOW             -15   12/26/1983
                       12/25/1983
HIGHEST           59   12/28                          58  12/08
                                                          12/09
LOWEST             8   12/23                          17  12/20
AVG. MAXIMUM    37.7               37.8    -0.1     43.2
AVG. MINIMUM    26.1               24.6     1.5     32.7
MEAN            31.9               31.2     0.7     37.9
DAYS MAX >= 90     0                0.0     0.0        0
DAYS MAX <= 32    14               12.3     1.7        3
DAYS MIN <= 32    24               25.1    -1.1       16
DAYS MIN <= 0      0                0.3    -0.3        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        8.73   1990
 MINIMUM        0.44   1955
TOTALS          2.90               2.68    0.22     2.46
DAILY AVG.      0.09               0.09    0.00     0.08
DAYS >= .01       16               14.6     1.4       16
DAYS >= .10        9                6.9     2.1        8
DAYS >= .50        2                1.6     0.4        1
DAYS >= 1.00       0                0.2    -0.2        0
GREATEST
 24 HR. TOTAL   0.82   12/10 TO 12/11               0.71  12/26 TO 12/27


DEGREE DAYS
HEATING TOTAL   1018               1048     -30      831
 SINCE 7/1      2144               2418    -274       MM
COOLING TOTAL      0                  0       0        0
 SINCE 1/1       652                480     172       MM
................................................................

WIND (MPH)
AVERAGE WIND SPEED              10.7
HIGHEST WIND SPEED/DIRECTION    35/250    DATE  12/12
HIGHEST GUST SPEED/DIRECTION    56/290    DATE  12/12

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.69
NUMBER OF DAYS FAIR            5
NUMBER OF DAYS PC              9
NUMBER OF DAYS CLOUDY         16

AVERAGE RH (PERCENT)     76

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              1     MIXED PRECIP               0
HEAVY RAIN                1     RAIN                       5
LIGHT RAIN               14     FREEZING RAIN              1
LT FREEZING RAIN          3     HAIL                       0
HEAVY SNOW                1     SLEET                      0
FOG                      22     FOG W/VIS <= 1/4 MILE      6
HAZE                      2

-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.

$$