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

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000
CXUS51 KCTP 022041
CLSIPT

CLIMATE REPORT
NATIONAL WEATHER SERVICE STATE COLLEGE PA
341 PM EST FRI MAR 2 2018

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

...THE WILLIAMSPORT PA CLIMATE SUMMARY FOR THE SEASON, FROM
12/1/2017 TO 2/28/2018...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1895 TO 2018

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE  DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH              76   02/24/2017
 LOW              -20   01/21/1994
HIGHEST            69   02/21         0      69       76  02/24
LOWEST             -4   01/07         0      -4        8  01/09
                                                          12/20
AVG. MAXIMUM     39.1              36.7     2.4     42.5
AVG. MINIMUM     22.6              21.7     0.9     27.2
MEAN             30.8              29.2     1.6     34.9
DAYS MAX >= 90      0               0.0     0.0        0
DAYS MAX <= 32     27              26.9     0.1       16
DAYS MIN <= 32     70              76.8    -6.8       64
DAYS MIN <= 0       1               2.2    -1.2        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        14.86   1914
 MINIMUM         3.55   1979
TOTALS           8.98              7.97    1.01     8.26
DAILY AVG.       0.10              0.09    0.01     0.09
DAYS >= .01        37              31.5     5.5       38
DAYS >= .10        20              16.4     3.6       23
DAYS >= .50         5               5.2    -0.2        4
DAYS >= 1.00        1               1.3    -0.3        1
GREATEST
 24 HR. TOTAL    2.37   MM

SNOWFALL (INCHES)
RECORDS
 TOTAL           74.0   1963
 24 HR TOTAL       MM
 SNOW DEPTH        MM   MM
TOTALS           18.9              26.2    -7.3     18.4
 LIQUID EQUIV    1.89              0.00    1.89     1.84
SINCE 7/1        19.0              28.0    -9.0     18.5
 LIQUID 7/1      1.90              2.80   -0.90     1.85
SNOWDEPTH AVG.      1                MM      MM        1
DAYS >= TRACE      27              18.3     8.7       34
DAYS >= 1.0         8               7.6     0.4        6
GREATEST
 SNOW DEPTH         5   02/08                          6  02/09
 24 HR TOTAL      3.7   MM                       02/28 TO 02/28


DEGREE_DAYS
HEATING TOTAL    3066              3221    -155     2702
 SINCE 7/1         MM              4467      MM       MM
COOLING TOTAL       0                 0       0        0
 SINCE 1/1          0                 0       0        0

FREEZE DATES
RECORD
 EARLIEST     09/22/1904
 LATEST       05/25/1956
EARLIEST                        09/22
LATEST                          05/25
.................................................................

WIND (MPH)
AVERAGE WIND SPEED              6.6
RESULTANT WIND SPEED/DIRECTION   3/286
HIGHEST WIND SPEED/DIRECTION    33/260    DATE  12/25
HIGHEST GUST SPEED/DIRECTION    44/270    DATE  12/25

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.50
NUMBER OF DAYS FAIR           27
NUMBER OF DAYS PC             35
NUMBER OF DAYS CLOUDY         28

AVERAGE RH (PERCENT)     69

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                1     RAIN                      11
LIGHT RAIN               25     FREEZING RAIN              0
LT FREEZING RAIN          1     HAIL                       0
HEAVY SNOW                2     SNOW                       7
LIGHT SNOW               26     SLEET                      1
FOG                      49     FOG W/VIS <= 1/4 MILE     14
HAZE                     22

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

&&

WINTER 2017-2018 (DEC-JAN-FEB) RANKED AS THE 34TH WARMEST, 42ND
WETTEST AND 88TH SNOWIEST WINTER ON RECORD AT HARRISBURG.

DJF AVERAGE TEMPERATURE: 30.8 DEGREES (+1.6F ABOVE AVERAGE)
DJF TOTAL PRECIPITATION: 8.98 INCHES (+1.01" ABOVE AVERAGE)
DJF TOTAL SNOWFALL: 18.9 INCHES (-7.3" BELOW AVERAGE)

FOR TEMPERATURE, DEC. WAS NEAR AVERAGE, JAN. WAS BELOW AVERAGE AND
FEB. WAS MUCH ABOVE AVERAGE. FOR PRECIPITATION, DEC. WAS BELOW
NORMAL WHILE JAN. AND FEB. WERE ABOVE NORMAL.

FEBRUARY 2018 WAS THE 6TH WARMEST AND 16TH WETTEST ON RECORD WITH
AN AVERAGE MONTHLY TEMPERATURE OF 35.2 DEGREES AND TOTAL
PRECIPITATION OF 4.14 INCHES.

A RECORD DAILY HIGH TEMPERATURE OF 69 DEGREES WAS SET ON 2/21.
THIS TIED THE PREVIOUS RECORD OF 69 DEGREES SET IN 1930.

A RECORD HIGH TEMPERATURE OF 64 DEGREES WAS SET ON 1/12.
THE PREVIOUS RECORD HIGH WAS 57 DEGREES IN 1986.

A RECORD DAILY RAINFALL OF 2.37 INCHES WAS SET ON 1/12.
THE PREVIOUS RECORD DAILY RAINFALL WAS 1.48 INCHES IN 1915.

A RECORD HIGH TEMPERATURE OF 59 DEGREES WAS SET ON 12/19.
THE PREVIOUS RECORD HIGH WAS 57 DEGREES SET IN 1957.

$$
MS


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