Climatological Report (Monthly)
Issued by NWS State College, PA

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CLIMATE REPORT
NATIONAL WEATHER SERVICE STATE COLLEGE PA
607 AM EDT SUN OCT 1 2017

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

...THE WILLIAMSPORT PA CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 2017...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1895 TO 2017

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE  DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH             102   09/03/1953
 LOW               28   09/28/1947
HIGHEST            92   09/24                         94  09/08
LOWEST             43   09/30                         44  09/26
                                                          09/25
AVG. MAXIMUM     78.7              73.5     5.2     81.0
AVG. MINIMUM     56.3              53.1     3.2     56.6
MEAN             67.5              63.3     4.2     68.8
DAYS MAX >= 90      5               0.4     4.6        6
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        15.97   2011
 MINIMUM         0.16   1943
TOTALS           1.24              4.16   -2.92     3.51
DAILY AVG.       0.04              0.14   -0.10     0.12
DAYS >= .01         8              10.0    -2.0       10
DAYS >= .10         4               6.4    -2.4        5
DAYS >= .50         1               2.3    -1.3        3
DAYS >= 1.00        0               1.0    -1.0        1
GREATEST
 24 HR. TOTAL    0.50   09/03 TO 09/03           09/18 TO 09/19

SNOWFALL (INCHES)
RECORDS
 TOTAL            0.0   MM
TOTALS            0.0               0.0     0.0      0.0
SINCE 7/1         0.0               0.0     0.0      0.0
SNOWDEPTH AVG.      0                MM      MM        0
DAYS >= 1.0         0               0.0     0.0        0
GREATEST
 SNOW DEPTH         0   MM                             0  MM
 24 HR TOTAL      0.0   09/30 TO 09/30           09/30 TO 09/30

DEGREE_DAYS
HEATING TOTAL      65               114     -49       41
 SINCE 7/1         67               128     -61       41
COOLING TOTAL     146                63      83      164
 SINCE 1/1        888               697     191     1137
.................................................

WIND (MPH)
AVERAGE WIND SPEED              3.9
HIGHEST WIND SPEED/DIRECTION    24/320    DATE  09/29
HIGHEST GUST SPEED/DIRECTION    33/330    DATE  09/29

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.40
NUMBER OF DAYS FAIR           13
NUMBER OF DAYS PC             11
NUMBER OF DAYS CLOUDY          6

AVERAGE RH (PERCENT)     74

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              3     MIXED PRECIP               0
HEAVY RAIN                2     RAIN                       6
LIGHT RAIN               11     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                      24     FOG W/VIS <= 1/4 MILE      8
HAZE                      4

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

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