252
CXUS51 KPHI 012000
CLMABE

CLIMATE REPORT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
400 PM EDT SAT JUN 01 2024

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

...THE ALLENTOWN PA CLIMATE SUMMARY FOR THE MONTH OF MAY 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             97   05/19/1962
 LOW              28   05/10/1947
HIGHEST           86                 88      -2       85
LOWEST            40                 36       4       32
AVG. MAXIMUM    73.0               73.5    -0.5     72.8
AVG. MINIMUM    53.7               50.6     3.1     44.5
MEAN            63.4               62.0     1.4     58.6
DAYS MAX >= 90     0                1.1    -1.1        0
DAYS MAX <= 32     0                0.0     0.0        0
DAYS MIN <= 32     0                0.4    -0.4        1
DAYS MIN <= 0      0                0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM       10.62   1984
 MINIMUM        0.09   1964
TOTALS          3.77               3.65    0.12     0.24
DAILY AVG.      0.12               0.12    0.00     0.01
DAYS >= .01       14               12.4     1.6        4
DAYS >= .10        9                7.6     1.4        1
DAYS >= .50        4                2.6     1.4        0
DAYS >= 1.00       0                0.7    -0.7        0
GREATEST
 24 HR. TOTAL   0.67   05/23 TO 05/23               0.11

SNOWFALL (INCHES)
RECORDS
 TOTAL             T   1950, 1963, 1966, 1977, 1994, 1998,
                       2014, & 2020
 24 HR TOTAL      MM
TOTALS           0.0                0.0     0.0      0.0
SINCE 7/1       25.2               33.1    -7.9       MM
SNOWDEPTH AVG.     0                                   0
DAYS >= 1.0        0                0.0     0.0        0
GREATEST
 SNOW DEPTH        0                                   0  MM
 24 HR TOTAL      MM                                 0.0

DEGREE DAYS
HEATING TOTAL    114                151     -37      197
 SINCE 7/1      4860               5275    -415       MM
COOLING TOTAL     72                 60      12        7
 SINCE 1/1        83                 68      15       MM
................................................................

WIND (MPH)
AVERAGE WIND SPEED              5.9
HIGHEST WIND SPEED/DIRECTION    33/300    DATE  05/23
HIGHEST GUST SPEED/DIRECTION    42/300    DATE  05/23

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.50
NUMBER OF DAYS FAIR           15
NUMBER OF DAYS PC              5
NUMBER OF DAYS CLOUDY         11

AVERAGE RH (PERCENT)     72

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              4     MIXED PRECIP               0
HEAVY RAIN                2     RAIN                       9
LIGHT RAIN               16     FREEZING RAIN              0
LT FREEZING RAIN          0     HEAVY SNOW                 0
SNOW                      0     LIGHT SNOW                 0
SLEET                     0     FOG                       19
FOG W/VIS <= 1/4 MILE     3     HAZE                       1

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

$$