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Climatological Report (Annual)
Issued by NWS Mt. Holly, NJ
Versions: 1 2 3 4 5 6 7
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CXUS51 KPHI 011953
CLAABE

CLIMATE REPORT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
211 PM EST WED JAN 1 2020

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

...THE ALLENTOWN PA CLIMATE SUMMARY FOR THE YEAR OF 2019...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1922 TO 2019

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE  DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH             105   07/03/1966
 LOW              -15   01/21/1994
HIGHEST            96   07/21        MM      MM       98  07/02
                                                          07/01
LOWEST             -4   02/01        MM      MM        0  01/07
AVG. MAXIMUM     64.0              61.5     2.5     63.1
AVG. MINIMUM     44.5              40.9     3.6     44.5
MEAN             54.3              51.2     3.1     53.8
DAYS MAX >= 90     24              11.9    12.1       32
DAYS MAX <= 32     11              23.3   -12.3       17
DAYS MIN <= 32    108             123.2   -15.2      114
DAYS MIN <= 0       2               1.4     0.6        1

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        66.96   2018
 MINIMUM        36.30   2015
TOTALS          60.66             45.35   15.31    66.96
DAILY AVG.       0.16              0.12    0.04     0.18
DAYS >= .01       139             126.8    12.2      152
DAYS >= .10        91              78.0    13.0      105
DAYS >= .50        45              29.5    15.5       53
DAYS >= 1.00       16              11.6     4.4       21
GREATEST
 24 HR. TOTAL    2.75                                 MM
 STORM TOTAL       MM                                 MM

SNOWFALL (INCHES)
RECORDS
 TOTAL           48.4   2018
 24 HR TOTAL     30.2   MM
 SNOW DEPTH        28   01/24/2016
TOTALS           26.1              32.9    -6.8     48.4
 LIQUID EQUIV    2.61              3.30   -0.69     4.84
SINCE 7/1         2.1               5.9    -3.8      8.1
 LIQUID 7/1      0.21              0.60   -0.39     0.81
SNOWDEPTH AVG.      0                MM      MM        0
DAYS >= TRACE      36              17.3    18.7       36
DAYS >= 1.0         8               8.5    -0.5       10
GREATEST
 SNOW DEPTH         6   03/04                         12  03/22
 24 HR TOTAL      6.3                                 MM
 STORM TOTAL       MM                                 MM

DEGREE_DAYS
HEATING TOTAL    4960              5801    -841     5237
 SINCE 7/1         MM              2195      MM       MM
COOLING TOTAL    1176               757     419     1287
 SINCE 1/1       1176               757     419     1287

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

WIND (MPH)
AVERAGE WIND SPEED              6.8
RESULTANT WIND SPEED/DIRECTION   2/289
HIGHEST WIND SPEED/DIRECTION    40/260    DATE  08/18
HIGHEST GUST SPEED/DIRECTION    57/360    DATE  06/28

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.40
NUMBER OF DAYS FAIR          168
NUMBER OF DAYS PC            118
NUMBER OF DAYS CLOUDY         76

AVERAGE RH (PERCENT)     63

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM             40     MIXED PRECIP               0
HEAVY RAIN               55     RAIN                      72
LIGHT RAIN              164     FREEZING RAIN              8
LT FREEZING RAIN         12     HEAVY SNOW                 4
SNOW                      6     LIGHT SNOW                31
SLEET                     7     FOG                      163
FOG W/VIS <= 1/4 MILE    12     HAZE                     105

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

$$
National Weather Service Weather Forecast Office
