Climatological Report (Monthly)
Issued by NWS State College, PA

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472
CXUS51 KCTP 010724
CLMMDT

CLIMATE REPORT
NATIONAL WEATHER SERVICE STATE COLLEGE PA
324 AM EDT SUN JUN 01 2025

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

...THE HARRISBURG PA CLIMATE SUMMARY FOR THE MONTH OF MAY 2025...

CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1888 TO 2025

WEATHER         OBSERVED          NORMAL  DEPART   LAST YEAR`S
                VALUE   DATE(S)   VALUE   FROM     VALUE DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH             97   05/31/1939
 LOW              30   05/10/2020
                       05/10/2020
                       05/10/2020
HIGHEST           84   05/02                          90  05/02
LOWEST            46   05/26                          47  05/11
AVG. MAXIMUM    71.5               73.7    -2.2     74.7
AVG. MINIMUM    54.9               53.1     1.8     57.8
MEAN            63.2               63.4    -0.2     66.2
DAYS MAX >= 90     0                1.1    -1.1        1
DAYS MAX <= 32     0                0.0     0.0        0
DAYS MIN <= 32     0                0.0     0.0        0
DAYS MIN <= 0      0                0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        9.71   1989
 MINIMUM        0.19   2023
TOTALS         10.02               3.83    6.19     3.82
DAILY AVG.      0.32               0.12    0.20     0.12
DAYS >= .01       17               13.0     4.0       16
DAYS >= .10       13                8.0     5.0       12
DAYS >= .50        9                2.6     6.4        0
DAYS >= 1.00       5                0.8     4.2        0
GREATEST
 24 HR. TOTAL   2.05   05/30 TO 05/31               0.85  05/09 TO 05/10

SNOWFALL (INCHES)
RECORDS
 TOTAL             T   1977
TOTALS           0.0                0.0     0.0      0.0
SINCE 7/1       15.6               29.9   -14.3       MM
SNOWDEPTH AVG.     0                                   0
DAYS >= 1.0        0                0.0     0.0        0
GREATEST
 SNOW DEPTH        0                                   0  MM
 24 HR TOTAL      MM                                  MM

DEGREE DAYS
HEATING TOTAL     95                121     -26       68
 SINCE 7/1      4720               5013    -293       MM
COOLING TOTAL     48                 72     -24      116
 SINCE 1/1        56                 82     -26       MM
................................................................

WIND (MPH)
AVERAGE WIND SPEED              7.7
HIGHEST WIND SPEED/DIRECTION    31/290    DATE  05/31
HIGHEST GUST SPEED/DIRECTION    42/300    DATE  05/31

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.74
NUMBER OF DAYS FAIR            2
NUMBER OF DAYS PC             13
NUMBER OF DAYS CLOUDY         15

AVERAGE RH (PERCENT)     69

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              6     MIXED PRECIP               0
HEAVY RAIN                7     RAIN                      10
LIGHT RAIN               25     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       1
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                      16     FOG W/VIS <= 1/4 MILE      1
HAZE                      9

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

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