Climatological Report (Monthly)
Issued by NWS

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239
CXUS51 KCTP 010936
CLMJST

CLIMATE REPORT
NATIONAL WEATHER SERVICE STATE COLLEGE PA
536 AM EDT WED OCT 01 2025

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

...THE JOHNSTOWN CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 2025...

CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1892 TO 2025

WEATHER         OBSERVED          NORMAL  DEPART   LAST YEAR`S
                VALUE   DATE(S)   VALUE   FROM     VALUE DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH            104   09/03/1953
 LOW              25   09/28/1957
HIGHEST           81   09/22                          80  09/21
LOWEST            42   09/08                          43  09/08
AVG. MAXIMUM    73.4               70.5     2.9     70.6
AVG. MINIMUM    54.5               52.7     1.8     55.7
MEAN            64.0               61.6     2.4     63.2
DAYS MAX >= 90     0                0.0     0.0        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        9.64   2018
 MINIMUM        0.51   1908
TOTALS          2.68               3.99   -1.31     3.16
DAILY AVG.      0.09               0.13   -0.04     0.11
DAYS >= .01        8               12.2    -4.2       12
DAYS >= .10        6                6.6    -0.6        7
DAYS >= .50        1                2.4    -1.4        3
DAYS >= 1.00       1                1.1    -0.1        1
GREATEST
 24 HR. TOTAL   1.69   09/24 TO 09/25               1.04  09/21 TO 09/21


DEGREE DAYS
HEATING TOTAL     55                147     -92       79
 SINCE 7/1       104                182     -78       MM
COOLING TOTAL     30                 45     -15       32
 SINCE 1/1       601                473     128       MM
................................................................

WIND (MPH)
AVERAGE WIND SPEED              5.6
HIGHEST WIND SPEED/DIRECTION    23/230    DATE  09/05
HIGHEST GUST SPEED/DIRECTION    34/240    DATE  09/05

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.35
NUMBER OF DAYS FAIR           16
NUMBER OF DAYS PC              9
NUMBER OF DAYS CLOUDY          5

AVERAGE RH (PERCENT)     68

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                3     RAIN                       5
LIGHT RAIN                8     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SLEET                      0
FOG                      12     FOG W/VIS <= 1/4 MILE      5
HAZE                      1

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

$$