WFO Monthly/Daily Climate Data Issued by NWS Mt. Holly, NJ
000
CXUS51 KPHI 010915
CF6ABE
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6)
STATION: ALLENTOWN PA
MONTH: DECEMBER
YEAR: 2021
LATITUDE: 40 39 N
LONGITUDE: 75 26 W
TEMPERATURE IN F: :PCPN: SNOW: WIND :SUNSHINE: SKY :PK WND
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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
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1 47 30 39 0 26 0 0.04 0.0 0 5.7 13 210 M M 3 1 17 250
2 55 38 47 9 18 0 0.10 0.0 0 4.9 28 310 M M 8 12 43 330
3 48 32 40 2 25 0 0.00 0.0 0 9.5 23 300 M M 2 36 320
4 50 32 41 3 24 0 0.00 0.0 0 4.6 15 220 M M 5 19 250
5 48 31 40 2 25 0 T 0.0 0 5.2 13 110 M M 3 22 160
6 60 36 48 11 17 0 0.13 0.0 0 7.5 29 300 M M 10 1 38 290
7 37 27 32 -5 33 0 0.00 0.0 0 6.3 15 260 M M 1 23 300
8 36 29 33 -4 32 0 T T 0 3.7 17 290 M M 8 23 300
9 37 23 30 -6 35 0 0.00 0.0 0 5.0 15 320 M M 2 21 320
10 47 34 41 5 24 0 0.00 0.0 0 3.2 10 50 M M 8 13 180
11 63 41 52 16 13 0 0.18 0.0 0 8.6 26 280 M M 10 128 40 270
12 46 29 38 2 27 0 0.00 0.0 0 10.0 22 280 M M 2 31 290
13 50 28 39 3 26 0 0.00 0.0 0 9.0 18 220 M M 0 23 240
14 53 27 40 5 25 0 0.00 0.0 0 3.8 10 10 M M 0 14 260
15 53 23 38 3 27 0 T 0.0 0 5.0 15 160 M M 4 20 150
16 61 43 52 17 13 0 0.00 0.0 0 4.8 13 210 M M 4 20 160
17 57 37 47 13 18 0 0.00 0.0 0 8.3 22 290 M M 0 32 300
18 42 36 39 5 26 0 0.13 0.0 0 4.3 10 110 M M 10 12 14 110
19 44 22 33 -1 32 0 0.01 0.0 0 11.7 25 320 M M 6 1 33 320
20 37 17 27 -7 38 0 0.00 0.0 0 4.0 12 230 M M 0 8 18 180
21 40 17 29 -5 36 0 0.04 0.0 0 2.9 7 70 M M 2 18 10 70
22 44 28 36 3 29 0 0.07 0.0 0 10.1 25 310 M M 5 12 35 300
23 36 22 29 -4 36 0 0.00 0.0 0 5.9 16 300 M M 3 21 290
24 42 28 35 2 30 0 0.02 T 0 4.8 10 90 M M 6 1 13 90
25 53 34 44 11 21 0 0.06 0.0 0 4.3 10 220 M M 9 18 14 300
26 52 34 43 10 22 0 0.00 0.0 0 9.5 21 330 M M 3 27 320
27 37 27 32 0 33 0 0.11 0.0 0 4.5 16 330 M M 7 1 21 330
28 45 33 39 7 26 0 0.15 0.0 0 5.4 13 280 M M 8 18 17 290
29 45 37 41 9 24 0 0.19 0.0 0 3.1 10 60 M M 9 18 12 30
30 50 41 46 14 19 0 0.06 0.0 0 1.8 7 210 M M 10 18 14 90
31 49 46 48 16 17 0 0.00 0.0 0 4.1 10 240 M M 10 1 14 240
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SM 1464 962 797 0 1.29 T 181.5 M 158
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AV 47.2 31.0 5.9 FASTST M M 5 MAX(MPH)
MISC ----> 29 300 43 330
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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: 2021
LATITUDE: 40 39 N
LONGITUDE: 75 26 W
[TEMPERATURE DATA] [PRECIPITATION DATA] SYMBOLS USED IN COLUMN 16
AVERAGE MONTHLY: 39.1 TOTAL FOR MONTH: 1.29 1 = FOG OR MIST
DPTR FM NORMAL: 4.1 DPTR FM NORMAL: -2.57 2 = FOG REDUCING VISIBILITY
HIGHEST: 63 ON 11 GRTST 24HR 0.34 ON 28-29 TO 1/4 MILE OR LESS
LOWEST: 17 ON 21,20 3 = THUNDER
SNOW, ICE PELLETS, HAIL 4 = ICE PELLETS
TOTAL MONTH: T 5 = HAIL
GRTST 24HR T ON 8- 8 6 = FREEZING RAIN OR DRIZZLE
GRTST DEPTH: 0 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: 0 0.01 INCH OR MORE: 14
MAX 90 OR ABOVE: 0 0.10 INCH OR MORE: 7
MIN 32 OR BELOW: 18 0.50 INCH OR MORE: 0
MIN 0 OR BELOW: 0 1.00 INCH OR MORE: 0
[HDD (BASE 65) ]
TOTAL THIS MO. 797 CLEAR (SCALE 0-3) 11
DPTR FM NORMAL -135 PTCLDY (SCALE 4-7) 13
TOTAL FM JUL 1 1754 CLOUDY (SCALE 8-10) 7
DPTR FM NORMAL -216
[CDD (BASE 65) ]
TOTAL THIS MO. 0
DPTR FM NORMAL 0 [PRESSURE DATA]
TOTAL FM JAN 1 997 HIGHEST SLP 30.66 ON 15
DPTR FM NORMAL 16 LOWEST SLP 29.48 ON 25
[REMARKS]
#FINAL-12-21#