WFO Monthly/Daily Climate Data
Issued by NWS Mt. Holly, NJ
Issued by NWS Mt. Holly, NJ
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CXUS51 KPHI 310915
CF6ABE
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6)
STATION: ALLENTOWN PA
MONTH: DECEMBER
YEAR: 2025
LATITUDE: 40 39 N
LONGITUDE: 75 26 W
TEMPERATURE IN F: :PCPN: SNOW: WIND :SUNSHINE: SKY :PK WND
================================================================================
1 2 3 4 5 6A 6B 7 8 9 10 11 12 13 14 15 16 17 18
12Z AVG MX 2MIN
DY MAX MIN AVG DEP HDD CDD WTR SNW DPTH SPD SPD DIR MIN PSBL S-S WX SPD DR
================================================================================
1 41 24 33 -6 32 0 0.00 0.0 0 6.7 18 330 M M 1 29 330
2 35 26 31 -7 34 0 0.55 0.8 0 6.5 21 310 M M 8 16 34 340
3 39 25 32 -6 33 0 0.00 0.0 T 7.6 22 320 M M 2 33 300
4 39 18 29 -9 36 0 T T 0 9.9 21 350 M M 3 34 280
5 25 12 19 -19 46 0 0.00 0.0 0 4.0 9 60 M M 5 11 60
6 38 24 31 -6 34 0 0.00 0.0 0 3.8 12 240 M M 5 1 14 240
7 38 28 33 -4 32 0 0.00 0.0 0 5.6 13 230 M M 10 1 18 220
8 35 14 25 -12 40 0 0.00 0.0 0 9.9 23 360 M M 2 34 360
9 31 8 20 -16 45 0 0.00 0.0 0 4.4 16 210 M M 2 24 190
10 40 26 33 -3 32 0 0.22 0.4 0 3.9 15 220 M M 8 1 19 210
11 37 25 31 -5 34 0 0.00 0.0 T 13.8 25 300 M M 3 1 37 300
12 32 16 24 -12 41 0 0.00 0.0 0 7.6 15 290 M M 1 24 300
13 35 14 25 -11 40 0 0.08 1.3 0 2.9 9 210 M M 6 1 14 220
14 32 16 24 -11 41 0 0.23 3.7 5 11.9 23 330 M M 8 1 33 330
15 25 14 20 -15 45 0 0.00 0.0 5 9.8 17 260 M M 5 26 320
16 28 10 19 -16 46 0 0.00 0.0 4 5.1 13 240 M M 2 17 250
17 39 13 26 -8 39 0 0.00 0.0 3 3.5 10 230 M M 4 16 240
18 49 18 34 0 31 0 0.08 0.0 2 4.4 10 90 M M 2 1 20 80
19 59 27 43 9 22 0 0.59 0.0 0 16.7 37 250 M M 9 13 58 280
20 36 20 28 -6 37 0 0.00 0.0 0 8.0 25 300 M M 0 39 300
21 45 23 34 0 31 0 0.00 0.0 0 9.8 23 290 M M 0 36 320
22 38 18 28 -5 37 0 0.00 0.0 0 6.5 13 250 M M 1 19 250
23 37 30 34 1 31 0 0.11 0.8 0 3.6 15 190 M M 10 1 22 170
24 47 31 39 6 26 0 0.00 0.0 0 10.1 32 330 M M 1 44 350
25 51 24 38 5 27 0 0.00 0.0 0 9.5 31 330 M M 4 42 340
26 27 19 23 -10 42 0 0.46 0.5 0 6.2 13 120 M M 6 146 20 150
27 32 23 28 -4 37 0 0.02 T T 4.8 12 40 M M 9 1 14 40
28 33 20 27 -5 38 0 T 0.0 T 2.1 8 150 M M 7 16 14 290
29 46 29 38 6 27 0 0.20 T T 11.2 29 260 M M 8 12 47 270
30 31 26 29 -3 36 0 T T 0 16.8 26 280 M M 10 44 290
================================================================================
SM 1120 621 1072 0 2.54 7.5 226.6 M 142
================================================================================
AV 37.3 20.7 7.6 FASTST M M 5 MAX(MPH)
MISC ----> 37 250 58 280
================================================================================
NOTES:
# LAST OF SEVERAL OCCURRENCES
COLUMN 17 PEAK WIND IN M.P.H.
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6) , PAGE 2
STATION: ALLENTOWN PA
MONTH: DECEMBER
YEAR: 2025
LATITUDE: 40 39 N
LONGITUDE: 75 26 W
[TEMPERATURE DATA] [PRECIPITATION DATA] SYMBOLS USED IN COLUMN 16
AVERAGE MONTHLY: 29.0 TOTAL FOR MONTH: 2.54 1 = FOG OR MIST
DPTR FM NORMAL: -6.0 DPTR FM NORMAL: -1.21 2 = FOG REDUCING VISIBILITY
HIGHEST: 59 ON 19 GRTST 24HR 0.67 ON 18-19 TO 1/4 MILE OR LESS
LOWEST: 8 ON 9 3 = THUNDER
SNOW, ICE PELLETS, HAIL 4 = ICE PELLETS
TOTAL MONTH: 7.7 INCHES 5 = HAIL
GRTST 24HR 3.7 ON 14-14 6 = FREEZING RAIN OR DRIZZLE
GRTST DEPTH: 5 ON 15,14 7 = DUSTSTORM OR SANDSTORM:
VSBY 1/2 MILE OR LESS
8 = SMOKE OR HAZE
[NO. OF DAYS WITH] [WEATHER - DAYS WITH] 9 = BLOWING SNOW
X = TORNADO
MAX 32 OR BELOW: 9 0.01 INCH OR MORE: 10
MAX 90 OR ABOVE: 0 0.10 INCH OR MORE: 7
MIN 32 OR BELOW: 30 0.50 INCH OR MORE: 2
MIN 0 OR BELOW: 0 1.00 INCH OR MORE: 0
[HDD (BASE 65) ]
TOTAL THIS MO. 1072 CLEAR (SCALE 0-3) 11
DPTR FM NORMAL 174 PTCLDY (SCALE 4-7) 12
TOTAL FM JUL 1 2084 CLOUDY (SCALE 8-10) 7
DPTR FM NORMAL 150
[CDD (BASE 65) ]
TOTAL THIS MO. 0
DPTR FM NORMAL 0 [PRESSURE DATA]
TOTAL FM JAN 1 924 HIGHEST SLP M ON M
DPTR FM NORMAL -57 LOWEST SLP 29.33 ON 19
[REMARKS]