Climatological Report (Monthly)
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CXUS51 KCTP 010824
CLMAOO

PHLCLMAOO 000
TTAA00 KCTP 010722


CLIMATE REPORT
NATIONAL WEATHER SERVICE STATE COLLEGE PA
221 AM EST TUE JAN 1 2019

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

...THE ALTOONA CLIMATE SUMMARY FOR THE MONTH OF DECEMBER 2018...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1948 TO 2018

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE  DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH              74   12/06/1998
 LOW              -11   12/25/1983
HIGHEST            58   12/21                         53  12/19
LOWEST             14   12/10                          5  12/29
                                                          12/28
AVG. MAXIMUM     40.3              37.7     2.6     36.6
AVG. MINIMUM     27.8              23.6     4.2     23.4
MEAN             34.0              30.7     3.3     30.0
DAYS MAX >= 90      0                MM      MM        0
DAYS MAX <= 32      4                MM      MM       10
DAYS MIN <= 32     23                MM      MM       27
DAYS MIN <= 0       0                MM      MM        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         5.75   1990
 MINIMUM         0.19   1955
TOTALS           4.97              2.42    2.55     0.95
DAILY AVG.       0.16              0.08    0.08     0.03
DAYS >= .01        15                MM      MM        8
DAYS >= .10         9                MM      MM        3
DAYS >= .50         5                MM      MM        0
DAYS >= 1.00        0                MM      MM        0
GREATEST
 24 HR. TOTAL    0.78   12/15 TO 12/15

                                 NORMAL  DEPART  LAST YEAR`S

DEGREE_DAYS
HEATING TOTAL     954              1065    -111     1079
 SINCE 7/1       2191              2384    -193     2144
COOLING TOTAL       0                 0       0        0
 SINCE 1/1       1105               531     574      655
.................................................................

WIND (MPH)
AVERAGE WIND SPEED              6.9
HIGHEST WIND SPEED/DIRECTION    32/270    DATE  12/29
HIGHEST GUST SPEED/DIRECTION    42/290    DATE  12/17

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.70
NUMBER OF DAYS FAIR            5
NUMBER OF DAYS PC             11
NUMBER OF DAYS CLOUDY         15

AVERAGE RH (PERCENT)     77

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP                0
HEAVY RAIN                1     RAIN                        7
LIGHT RAIN               11     FREEZING RAIN               0
LT FREEZING RAIN          0     HAIL                        0
HEAVY SNOW                0     SNOW                        1
LIGHT SNOW                8     SLEET                       0
FOG                      21     FOG W/VIS <= 1/4 MILE       4
HAZE                      8


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

$$

 A RECORD RAINFALL OF 0.76 INCHES WAS SET AT ALTOONA ON THE 31ST.
THIS BREAKS THE OLD RECORD OF 0.6 INCHES SET IN 1989.

&&


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