


WFO Monthly/Daily Climate Data
Issued by NWS Boston, MA
Issued by NWS Boston, MA
700 CXUS51 KBOX 140810 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 12 77 39 58 -1 7 0 0.00 0.0 M 8.9 20 200 M M 4 29 180 13 77 51 64 5 1 0 0.00 0.0 M 7.5 18 130 M M 8 27 160 ================================================================================ SM 949 656 52 12 5.23 0.0 102.8 M 76 ================================================================================ AV 73.0 50.5 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: 61.7 TOTAL FOR MONTH: 5.23 1 = FOG OR MIST DPTR FM NORMAL: 4.2 DPTR FM NORMAL: 3.67 2 = FOG REDUCING VISIBILITY HIGHEST: 85 ON 3 GRTST 24HR 2.15 ON 8- 9 TO 1/4 MILE OR LESS LOWEST: 39 ON 12 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. 52 CLEAR (SCALE 0-3) 1 DPTR FM NORMAL -55 PTCLDY (SCALE 4-7) 8 TOTAL FM JUL 1 4962 CLOUDY (SCALE 8-10) 4 DPTR FM NORMAL -800 [CDD (BASE 65) ] TOTAL THIS MO. 12 DPTR FM NORMAL 1 [PRESSURE DATA] TOTAL FM JAN 1 22 HIGHEST SLP M ON M DPTR FM NORMAL 4 LOWEST SLP 29.75 ON 3 [REMARKS]