Climatological Report (Monthly)
Issued by NWS
Issued by NWS
487
CXUS51 KCTP 011459
CLMAOO
CLIMATE REPORT
NATIONAL WEATHER SERVICE STATE COLLEGE PA
959 AM EST THU JAN 01 2026
...................................
...THE ALTOONA CLIMATE SUMMARY FOR THE MONTH OF DECEMBER 2025...
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1948 TO 2025
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 52 12/19 61 12/29
12/29
LOWEST 4 12/09 8 12/23
AVG. MAXIMUM 36.7 39.9 -3.2 40.4
AVG. MINIMUM 20.6 26.2 -5.6 27.2
MEAN 28.6 33.1 -4.5 33.8
DAYS MAX >= 90 0 0.0 0.0 0
DAYS MAX <= 32 11 8.2 2.8 7
DAYS MIN <= 32 31 24.4 6.6 22
DAYS MIN <= 0 0 0.0 0.0 0
PRECIPITATION (INCHES)
RECORD
MAXIMUM 5.75 1990
MINIMUM 0.19 1955
TOTALS 1.40 2.57 -1.17 2.67
DAILY AVG. 0.05 0.08 -0.03 0.09
DAYS >= .01 9 10.3 -1.3 12
DAYS >= .10 3 5.7 -2.7 7
DAYS >= .50 1 1.7 -0.7 2
DAYS >= 1.00 0 0.3 -0.3 0
GREATEST
24 HR. TOTAL 0.53 12/26 TO 12/26 0.71 12/09 TO 12/09
DEGREE DAYS
HEATING TOTAL 1119 990 129 960
SINCE 7/1 2339 2179 160 MM
COOLING TOTAL 0 0 0 0
SINCE 1/1 707 692 15 MM
................................................................
WIND (MPH)
AVERAGE WIND SPEED 9.3
HIGHEST WIND SPEED/DIRECTION 43/280 DATE 12/29
HIGHEST GUST SPEED/DIRECTION 60/280 DATE 12/29
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.64
NUMBER OF DAYS FAIR 6
NUMBER OF DAYS PC 9
NUMBER OF DAYS CLOUDY 16
AVERAGE RH (PERCENT) 69
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 0 MIXED PRECIP 0
HEAVY RAIN 1 RAIN 3
LIGHT RAIN 6 FREEZING RAIN 1
LT FREEZING RAIN 1 HAIL 0
HEAVY SNOW 0 SLEET 1
FOG 16 FOG W/VIS <= 1/4 MILE 0
HAZE 7
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$