


WFO Monthly/Daily Climate Data
Issued by NWS Boston, MA
Issued by NWS Boston, MA
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348 CXUS51 KBOX 120810 CF6BDL PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6) STATION: HARTFORD CT MONTH: MAY YEAR: 2025 LATITUDE: 41 55 N LONGITUDE: 72 41 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 73 42 58 2 7 0 0.00 0.0 0 6.8 20 190 M M 7 25 160 2 83 50 67 11 0 2 0.35 0.0 0 6.8 21 180 M M 8 13 29 230 3 85 59 72 16 0 7 0.10 0.0 0 6.1 43 250 M M 7 13 58 230 4 75 61 68 11 0 3 0.37 0.0 0 7.6 20 180 M M 10 18 27 180 5 62 54 58 1 7 0 1.20 0.0 0 9.1 15 40 M M M 1 20 40 6 69 54 62 5 3 0 0.95 0.0 0 7.8 16 150 M M M 1 22 140 7 73 55 64 6 1 0 0.00 0.0 0 9.6 20 210 M M 7 1 28 200 8 77 52 65 7 0 0 0.73 0.0 0 5.9 18 350 M M 7 13 27 350 9 58 48 53 -5 12 0 1.48 0.0 0 9.1 15 10 M M 10 1 20 360 10 69 47 58 0 7 0 0.05 0.0 0 9.5 26 310 M M 7 1 36 310 11 71 44 58 -1 7 0 0.00 0.0 0 8.1 22 360 M M 1 30 330 ================================================================================ SM 795 566 44 12 5.23 0.0 86.4 M 64 ================================================================================ AV 72.3 51.5 7.9 FASTST M M 7 MAX(MPH) MISC ----> 43 250 58 230 ================================================================================ NOTES: # LAST OF SEVERAL OCCURRENCES COLUMN 17 PEAK WIND IN M.P.H. PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6) , PAGE 2 STATION: HARTFORD CT MONTH: MAY YEAR: 2025 LATITUDE: 41 55 N LONGITUDE: 72 41 W [TEMPERATURE DATA] [PRECIPITATION DATA] SYMBOLS USED IN COLUMN 16 AVERAGE MONTHLY: 61.9 TOTAL FOR MONTH: 5.23 1 = FOG OR MIST DPTR FM NORMAL: 4.6 DPTR FM NORMAL: 3.91 2 = FOG REDUCING VISIBILITY HIGHEST: 85 ON 3 GRTST 24HR 2.15 ON 8- 9 TO 1/4 MILE OR LESS LOWEST: 42 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: 8 MAX 90 OR ABOVE: 0 0.10 INCH OR MORE: 7 MIN 32 OR BELOW: 0 0.50 INCH OR MORE: 4 MIN 0 OR BELOW: 0 1.00 INCH OR MORE: 2 [HDD (BASE 65) ] TOTAL THIS MO. 44 CLEAR (SCALE 0-3) 1 DPTR FM NORMAL -49 PTCLDY (SCALE 4-7) 6 TOTAL FM JUL 1 4954 CLOUDY (SCALE 8-10) 4 DPTR FM NORMAL -794 [CDD (BASE 65) ] TOTAL THIS MO. 12 DPTR FM NORMAL 3 [PRESSURE DATA] TOTAL FM JAN 1 22 HIGHEST SLP M ON M DPTR FM NORMAL 6 LOWEST SLP 29.75 ON 3 [REMARKS]