284
CXUS51 KPHI 020030
CLMABE

CLIMATE REPORT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
830 PM EDT WED MAY 01 2024

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...THE ALLENTOWN PA CLIMATE SUMMARY FOR THE MONTH OF APRIL 2024...

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1922 TO 2024

WEATHER         OBSERVED          NORMAL  DEPART   LAST YEAR`S
                VALUE   DATE(S)   VALUE   FROM     VALUE DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH             93   04/18/1976
 LOW              12   04/01/1923
HIGHEST           88                 82       6       88
LOWEST            30                 26       4       25
AVG. MAXIMUM    63.1               63.4    -0.3     65.9
AVG. MINIMUM    41.8               40.3     1.5     42.0
MEAN            52.5               51.8     0.7     53.9
DAYS MAX >= 90     0                0.2    -0.2        0
DAYS MAX <= 32     0                0.0     0.0        0
DAYS MIN <= 32     4                6.1    -2.1        5
DAYS MIN <= 0      0                0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM       10.09   1952
 MINIMUM        0.61   1985
TOTALS          5.56               3.67    1.89     6.00
DAILY AVG.      0.19               0.12    0.07     0.20
DAYS >= .01       13               11.8     1.2       10
DAYS >= .10        8                6.8     1.2        7
DAYS >= .50        3                2.3     0.7        3
DAYS >= 1.00       3                0.9     2.1        2
GREATEST
 24 HR. TOTAL   2.00   04/03 TO 04/04               2.35

SNOWFALL (INCHES)
RECORDS
 TOTAL          13.4   1982
 24 HR TOTAL      MM
TOTALS           0.0                0.5    -0.5      0.0
SINCE 7/1       25.2               33.1    -7.9       MM
SNOWDEPTH AVG.     0                                   0
DAYS >= 1.0        0                0.1    -0.1        0
GREATEST
 SNOW DEPTH        0                                   0  MM
 24 HR TOTAL      MM                                 0.0

DEGREE DAYS
HEATING TOTAL    380                403     -23      336
 SINCE 7/1      4746               5124    -378       MM
COOLING TOTAL     11                  8       3       13
 SINCE 1/1        11                  8       3       MM
................................................................

WIND (MPH)
AVERAGE WIND SPEED              7.8
HIGHEST WIND SPEED/DIRECTION    38/090    DATE  04/03
HIGHEST GUST SPEED/DIRECTION    47/080    DATE  04/03

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.53
NUMBER OF DAYS FAIR           10
NUMBER OF DAYS PC             10
NUMBER OF DAYS CLOUDY         10

AVERAGE RH (PERCENT)     63

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              4     MIXED PRECIP               0
HEAVY RAIN                4     RAIN                       9
LIGHT RAIN               19     FREEZING RAIN              0
LT FREEZING RAIN          0     HEAVY SNOW                 0
SNOW                      0     LIGHT SNOW                 0
SLEET                     0     FOG                        9
FOG W/VIS <= 1/4 MILE     1     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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