WFO Monthly/Daily Climate Data
Issued by NWS Mt. Holly, NJ
Issued by NWS Mt. Holly, NJ
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297 CXUS51 KPHI 251818 CF6ABE PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6) STATION: ALLENTOWN PA MONTH: APRIL YEAR: 2021 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 49 31 40 -6 25 0 0.02 T 0 16.6 24 340 M M 8 34 300 2 41 24 33 -14 32 0 0.00 0.0 0 13.5 26 350 M M 2 38 320 3 52 20 36 -11 29 0 0.00 0.0 0 5.4 14 260 M M 1 21 290 4 67 39 53 6 12 0 0.00 0.0 0 8.0 22 350 M M 7 29 300 5 67 37 52 4 13 0 0.00 0.0 0 10.7 25 330 M M 0 33 330 6 70 41 56 8 9 0 0.00 0.0 0 8.2 22 340 M M 1 29 350 7 72 47 60 11 5 0 T 0.0 0 3.7 10 70 M M 5 14 90 8 71 41 56 7 9 0 0.00 0.0 0 6.5 16 200 M M 0 20 140 9 58 46 52 3 13 0 0.02 0.0 0 5.6 10 150 M M 7 15 130 10 68 50 59 9 6 0 T 0.0 0 4.2 14 210 M M 7 17 210 11 61 50 56 6 9 0 0.46 0.0 0 10.3 20 100 M M 9 1 25 100 12 50 46 48 -2 17 0 0.36 0.0 0 8.2 18 70 M M 10 1 26 70 13 66 41 54 3 11 0 T 0.0 0 4.7 15 50 M M 3 18 50 14 64 41 53 2 12 0 T 0.0 0 5.8 18 220 M M 5 22 210 15 58 42 50 -2 15 0 0.00 0.0 0 7.3 24 330 M M 10 31 330 16 49 34 42 -10 23 0 T 0.0 0 10.2 21 300 M M 8 28 280 17 53 41 47 -5 18 0 T 0.0 0 7.3 16 340 M M 9 21 350 18 61 43 52 -1 13 0 0.00 0.0 0 5.2 15 250 M M 7 22 260 19 65 37 51 -2 14 0 0.03 0.0 0 2.5 13 230 M M 4 16 210 20 74 35 55 1 10 0 0.00 0.0 0 9.2 25 230 M M 0 31 220 21 67 34 51 -3 14 0 0.02 0.0 0 11.0 28 290 M M 5 3 38 300 22 47 32 40 -14 25 0 0.00 0.0 0 13.0 25 300 M M 4 34 320 23 63 33 48 -7 17 0 0.00 0.0 0 10.6 24 240 M M 2 31 250 24 68 37 53 -2 12 0 0.01 0.0 0 7.1 16 220 M M 2 22 240 25 64 47 56 0 9 0 0.28 0.0 0 7.6 21 310 M M 6 1 26 310 26 60 36 48 -8 17 0 0.00 0.0 0 8.5 17 320 M M 0 24 310 27 75 39 57 1 8 0 T 0.0 0 3.4 10 40 M M 2 15 230 28 86 47 67 10 0 2 T 0.0 0 7.1 26 240 M M 2 32 230 29 77 61 69 12 0 4 0.02 0.0 0 9.9 23 250 M M 7 1 33 260 30 67 42 55 -2 10 0 T 0.0 0 17.0 35 260 M M 6 49 260 ================================================================================ SM 1890 1194 407 6 1.22 T 248.3 M 139 ================================================================================ AV 63.0 39.8 8.3 FASTST M M 5 MAX(MPH) MISC ----> 35 260 49 260 ================================================================================ 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: APRIL YEAR: 2021 LATITUDE: 40 39 N LONGITUDE: 75 26 W [TEMPERATURE DATA] [PRECIPITATION DATA] SYMBOLS USED IN COLUMN 16 AVERAGE MONTHLY: 51.4 TOTAL FOR MONTH: 1.22 1 = FOG OR MIST DPTR FM NORMAL: -0.4 DPTR FM NORMAL: -2.45 2 = FOG REDUCING VISIBILITY HIGHEST: 86 ON 28 GRTST 24HR 0.82 ON 11-12 TO 1/4 MILE OR LESS LOWEST: 20 ON 3 3 = THUNDER SNOW, ICE PELLETS, HAIL 4 = ICE PELLETS TOTAL MONTH: T 5 = HAIL GRTST 24HR T ON 1- 1 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: 9 MAX 90 OR ABOVE: 0 0.10 INCH OR MORE: 3 MIN 32 OR BELOW: 4 0.50 INCH OR MORE: 0 MIN 0 OR BELOW: 0 1.00 INCH OR MORE: 0 [HDD (BASE 65) ] TOTAL THIS MO. 407 CLEAR (SCALE 0-3) 12 DPTR FM NORMAL 4 PTCLDY (SCALE 4-7) 14 TOTAL FM JUL 1 5068 CLOUDY (SCALE 8-10) 4 DPTR FM NORMAL -56 [CDD (BASE 65) ] TOTAL THIS MO. 6 DPTR FM NORMAL -2 [PRESSURE DATA] TOTAL FM JAN 1 6 HIGHEST SLP 30.42 ON 3 DPTR FM NORMAL -2 LOWEST SLP 29.42 ON 29 [REMARKS] #FINAL-04-21# CORRECTION TO REMOVE AN ERRONEOUS TRACE OF SNOW FOR APRIL 2. THE SNOW FLURRIES ENDED JUST BEFORE MIDNIGHT LST.