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Climatological Report (Monthly)
Issued by NWS Mt. Holly, NJ

000
CXUS51 KPHI 010853
CLMABE

CLIMATE REPORT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
453 AM EDT THU JUN 01 2023

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

...THE ALLENTOWN PA CLIMATE SUMMARY FOR THE MONTH OF MAY 2023...

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1922 TO 2023

WEATHER         OBSERVED          NORMAL  DEPART   LAST YEAR`S
                VALUE   DATE(S)   VALUE   FROM     VALUE DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH             97   05/19/1962
 LOW              28   05/10/1947
HIGHEST           85                 88      -3       92
LOWEST            32                 36      -4       33
AVG. MAXIMUM    72.8               73.5    -0.7     73.7
AVG. MINIMUM    44.5               50.6    -6.1     51.8
MEAN            58.6               62.0    -3.4     62.8
DAYS MAX >= 90     0                1.1    -1.1        1
DAYS MAX <= 32     0                0.0     0.0        0
DAYS MIN <= 32     1                0.4     0.6        0
DAYS MIN <= 0      0                0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM       10.62   1984
 MINIMUM        0.09   1964
TOTALS          0.24               3.65   -3.41     5.27
DAILY AVG.      0.01               0.12   -0.11     0.17
DAYS >= .01        4               12.4    -8.4       14
DAYS >= .10        1                7.6    -6.6       10
DAYS >= .50        0                2.6    -2.6        4
DAYS >= 1.00       0                0.7    -0.7        2
GREATEST
 24 HR. TOTAL   0.11   05/01 TO 05/01               1.99

SNOWFALL (INCHES)
RECORDS
 TOTAL           0.0
 24 HR TOTAL      MM
TOTALS           0.0                0.0     0.0      0.0
SINCE 7/1        6.3               33.1   -26.8       MM
SNOWDEPTH AVG.     0                                   0
DAYS >= 1.0        0                0.0     0.0        0
GREATEST
 SNOW DEPTH        0                                   0  MM
 24 HR TOTAL     0.0                                 0.0

DEGREE DAYS
HEATING TOTAL    197                151      46      122
 SINCE 7/1      4997               5275    -278       MM
COOLING TOTAL      7                 60     -53       60
 SINCE 1/1        20                 68     -48       MM
................................................................

WIND (MPH)
AVERAGE WIND SPEED              6.1
HIGHEST WIND SPEED/DIRECTION    26/220    DATE  05/01
HIGHEST GUST SPEED/DIRECTION    34/250    DATE  05/01

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.22
NUMBER OF DAYS FAIR           24
NUMBER OF DAYS PC              5
NUMBER OF DAYS CLOUDY          2

AVERAGE RH (PERCENT)     57

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                1     RAIN                       1
LIGHT RAIN                8     FREEZING RAIN              0
LT FREEZING RAIN          0     HEAVY SNOW                 0
SNOW                      0     LIGHT SNOW                 0
SLEET                     0     FOG                        3
FOG W/VIS <= 1/4 MILE     0     HAZE                       3

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

$$