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

Home |  Current Version |  Previous Version |  Text Only |  Print | Product List |  Glossary On
Versions: 1 2 3 4 5 6 7 8 9 10 11 12
267
CXUS51 KPHI 012055
CLMILG

CLIMATE REPORT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
455 PM EDT WED OCT 01 2025

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

...THE WILMINGTON DE CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 2025...

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1894 TO 2025

WEATHER         OBSERVED          NORMAL  DEPART   LAST YEAR`S
                VALUE   DATE(S)   VALUE   FROM     VALUE DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH            100   09/11/1983
                       09/03/1953
                       09/02/1953
 LOW              32   09/27/1940
HIGHEST           91   09/06         90       1       87  09/19
LOWEST            52   09/09         45       7       48  09/09
AVG. MAXIMUM    81.2               78.5     2.7     78.0
AVG. MINIMUM    61.0               59.3     1.7     59.3
MEAN            71.1               68.9     2.2     68.7
DAYS MAX >= 90     1                2.0    -1.0        0
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       12.68   1999
 MINIMUM        0.33   2024
TOTALS          1.86               4.38   -2.52     0.33
DAILY AVG.      0.06               0.15   -0.09     0.01
DAYS >= .01       11                8.8     2.2        7
DAYS >= .10        5                5.9    -0.9        1
DAYS >= .50        2                2.5    -0.5        0
DAYS >= 1.00       0                1.3    -1.3        0
GREATEST
 24 HR. TOTAL   0.63   09/24 TO 09/25               0.16

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

DEGREE DAYS
HEATING TOTAL      0                 37     -37        8
 SINCE 7/1         1                 38     -37       10
COOLING TOTAL    190                155      35      126
 SINCE 1/1      1318               1206     112     1305
................................................................

WIND (MPH)
AVERAGE WIND SPEED              7.0
HIGHEST WIND SPEED/DIRECTION    26/060    DATE  09/16
HIGHEST GUST SPEED/DIRECTION    34/060    DATE  09/16

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.35
NUMBER OF DAYS FAIR           18
NUMBER OF DAYS PC              9
NUMBER OF DAYS CLOUDY          3

AVERAGE RH (PERCENT)     68

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              2     MIXED PRECIP               0
HEAVY RAIN                3     RAIN                       9
LIGHT RAIN               12     FREEZING RAIN              0
LT FREEZING RAIN          0     HEAVY SNOW                 0
SNOW                      0     LIGHT SNOW                 0
SLEET                     0     FOG                       12
FOG W/VIS <= 1/4 MILE     2     HAZE                       0

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

$$