


WFO Monthly/Daily Climate Data
Issued by NWS Mt. Holly, NJ
Issued by NWS Mt. Holly, NJ
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815 CXUS51 KPHI 120815 CF6ABE PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6) STATION: ALLENTOWN PA MONTH: MAY 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 79 40 60 2 5 0 0.00 0.0 0 7.4 18 140 M M 4 25 140 2 83 54 69 11 0 4 0.40 0.0 0 6.9 29 260 M M 4 13 44 250 3 80 57 69 11 0 4 0.86 0.0 0 5.6 22 240 M M 3 123 29 230 4 70 63 67 9 0 2 0.09 0.0 0 5.8 12 160 M M 10 1 15 150 5 68 59 64 5 1 0 0.42 0.0 0 10.1 17 90 M M 10 1 22 110 6 74 52 63 4 2 0 0.90 0.0 0 6.4 30 230 M M 8 13 42 230 7 74 49 62 2 3 0 0.00 0.0 0 5.5 16 240 M M 3 22 220 8 78 51 65 5 0 0 0.28 0.0 0 5.8 17 20 M M 4 1 23 10 9 57 48 53 -7 12 0 1.52 0.0 0 8.1 15 310 M M 10 1 22 70 10 73 47 60 0 5 0 T 0.0 0 9.1 18 320 M M 2 26 310 11 76 43 60 -1 5 0 0.00 0.0 0 4.9 14 340 M M 0 18 340 ================================================================================ SM 812 563 33 10 4.47 0.0 75.6 M 58 ================================================================================ AV 73.8 51.2 6.9 FASTST M M 5 MAX(MPH) MISC ----> 30 230 44 250 ================================================================================ 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: MAY YEAR: 2025 LATITUDE: 40 39 N LONGITUDE: 75 26 W [TEMPERATURE DATA] [PRECIPITATION DATA] SYMBOLS USED IN COLUMN 16 AVERAGE MONTHLY: 62.5 TOTAL FOR MONTH: 4.47 1 = FOG OR MIST DPTR FM NORMAL: 3.3 DPTR FM NORMAL: 3.21 2 = FOG REDUCING VISIBILITY HIGHEST: 83 ON 2 GRTST 24HR 1.77 ON 8- 9 TO 1/4 MILE OR LESS LOWEST: 40 ON 1 3 = THUNDER SNOW, ICE PELLETS, HAIL 4 = ICE PELLETS TOTAL MONTH: 0.0 INCH 5 = HAIL GRTST 24HR 0.0 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: 7 MAX 90 OR ABOVE: 0 0.10 INCH OR MORE: 6 MIN 32 OR BELOW: 0 0.50 INCH OR MORE: 3 MIN 0 OR BELOW: 0 1.00 INCH OR MORE: 1 [HDD (BASE 65) ] TOTAL THIS MO. 33 CLEAR (SCALE 0-3) 3 DPTR FM NORMAL -42 PTCLDY (SCALE 4-7) 5 TOTAL FM JUL 1 5071 CLOUDY (SCALE 8-10) 3 DPTR FM NORMAL -128 [CDD (BASE 65) ] TOTAL THIS MO. 10 DPTR FM NORMAL -1 [PRESSURE DATA] TOTAL FM JAN 1 11 HIGHEST SLP M ON M DPTR FM NORMAL -8 LOWEST SLP 29.81 ON 3 [REMARKS]