Climatological Report (Monthly)
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000
CXUS51 KCTP 010823 CCA
CLMJST

CLIMATE REPORT...CORRECTED WX DAYS
NATIONAL WEATHER SERVICE STATE COLLEGE PA
323 AM EST MON JAN 1 2018

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

...THE JOHNSTOWN CLIMATE SUMMARY FOR THE MONTH OF DECEMBER 2017...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1892 TO 2017

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE  DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH              76   12/08/1951
 LOW              -15   12/26/1983
                        12/25/1983
HIGHEST            52   12/23                         61  12/27
LOWEST              0   12/28                          2  12/16
AVG. MAXIMUM     32.9              35.2    -2.3     36.6
AVG. MINIMUM     20.6              22.1    -1.5     23.6
MEAN             26.7              28.7    -2.0     30.1
DAYS MAX >= 90      0                MM      MM        0
DAYS MAX <= 32     13                MM      MM        9
DAYS MIN <= 32     26                MM      MM       28
DAYS MIN <= 0       1                MM      MM        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         8.73   1990
 MINIMUM         0.44   1955
TOTALS           1.10              2.57   -1.47     4.18
DAILY AVG.       0.04              0.08   -0.04     0.13
DAYS >= .01        12                MM      MM       16
DAYS >= .10         3                MM      MM        9
DAYS >= .50         0                MM      MM        4
DAYS >= 1.00        0                MM      MM        1
GREATEST
 24 HR. TOTAL    0.36   12/23 TO 12/23

DEGREE_DAYS
HEATING TOTAL    1177              1127      50     1073
 SINCE 7/1       2390              2590    -200     2142
COOLING TOTAL       0                 0       0        0
 SINCE 1/1        497               388     109      705
.................................................................

WIND (MPH)
AVERAGE WIND SPEED              10.9
HIGHEST WIND SPEED/DIRECTION    33/270    DATE  12/25
HIGHEST GUST SPEED/DIRECTION    47/280    DATE  12/25

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.70
NUMBER OF DAYS FAIR            7
NUMBER OF DAYS PC             10
NUMBER OF DAYS CLOUDY         14

AVERAGE RH (PERCENT)     75

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                0     RAIN                       1
LIGHT RAIN                6     FREEZING RAIN              0
LT FREEZING RAIN          1     HAIL                       0
HEAVY SNOW                4     SNOW                       6
LIGHT SNOW               17     SLEET                      0
FOG                      23     FOG W/VIS <= 1/4 MILE      7
HAZE                     10

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

$$
MS



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