809
CXUS51 KCTP 011459
CLMMDT

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

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

...THE HARRISBURG PA CLIMATE SUMMARY FOR THE MONTH OF DECEMBER 2024...

CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1888 TO 2024

WEATHER         OBSERVED          NORMAL  DEPART   LAST YEAR`S
                VALUE   DATE(S)   VALUE   FROM     VALUE DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH             75   12/07/1998
                       12/29/1984
 LOW              -8   12/23/1960
HIGHEST           62   12/29                          59  12/15
LOWEST            10   12/23                          24  12/14
AVG. MAXIMUM    42.0               43.3    -1.3     48.5
AVG. MINIMUM    27.0               28.2    -1.2     33.7
MEAN            34.5               35.8    -1.3     41.1
DAYS MAX >= 90     0                0.0     0.0        0
DAYS MAX <= 32     2                3.8    -1.8        0
DAYS MIN <= 32    26               22.4     3.6       15
DAYS MIN <= 0      0                0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        7.57   1983
 MINIMUM        0.23   1955
TOTALS          3.66               3.43    0.23     5.16
DAILY AVG.      0.12               0.11    0.01     0.17
DAYS >= .01       11               10.3     0.7       11
DAYS >= .10        8                6.7     1.3        7
DAYS >= .50        1                2.5    -1.5        4
DAYS >= 1.00       1                0.8     0.2        2
GREATEST
 24 HR. TOTAL   1.92   12/10 TO 12/11               2.62  12/17 TO 12/18

SNOWFALL (INCHES)
RECORDS
 TOTAL          28.3   1969
TOTALS           1.8                4.4    -2.6        T
SINCE 7/1        1.8                5.4    -3.6       MM
SNOWDEPTH AVG.     0                                  -1
DAYS >= 1.0        1                1.2    -0.2        0
GREATEST
 SNOW DEPTH        1   12/21                          MM  12/29
                                                          12/30
                                                          12/07
 24 HR TOTAL      MM                                   T  12/07 TO 12/07
                                                          12/11 TO 12/11
                                                          12/19 TO 12/19

DEGREE DAYS
HEATING TOTAL    937                907      30      733
 SINCE 7/1      1678               1860    -182       MM
COOLING TOTAL      0                  0       0        0
 SINCE 1/1      1391               1172     219       MM
................................................................

WIND (MPH)
AVERAGE WIND SPEED              6.5
HIGHEST WIND SPEED/DIRECTION    37/290    DATE  12/05
HIGHEST GUST SPEED/DIRECTION    48/270    DATE  12/05

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.68
NUMBER OF DAYS FAIR            5
NUMBER OF DAYS PC             12
NUMBER OF DAYS CLOUDY         13

AVERAGE RH (PERCENT)     69

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                1     RAIN                       5
LIGHT RAIN               12     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       1
LIGHT SNOW                6     SLEET                      1
FOG                      14     FOG W/VIS <= 1/4 MILE      7
HAZE                      4

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

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