


WFO Monthly/Daily Climate Data
Issued by NWS Boston, MA
Issued by NWS Boston, MA
134 CXUS51 KBOX 050810 CF6BOS PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6) STATION: BOSTON MA MONTH: MAY YEAR: 2025 LATITUDE: 42 22 N LONGITUDE: 71 2 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 61 46 54 0 11 0 0.00 0.0 M 11.0 24 100 M M 5 29 110 2 71 49 60 6 5 0 0.29 0.0 M 8.0 15 100 M M 8 13 22 210 3 84 57 71 16 0 6 0.05 0.0 M 8.7 26 190 M M 7 13 37 250 4 77 53 65 10 0 0 0.09 0.0 M 8.3 25 230 M M 9 1 32 230 ================================================================================ SM 293 205 16 6 0.43 0.0 36.0 M 29 ================================================================================ AV 73.3 51.3 9.0 FASTST M M 7 MAX(MPH) MISC ----> 26 190 37 250 ================================================================================ NOTES: # LAST OF SEVERAL OCCURRENCES COLUMN 17 PEAK WIND IN M.P.H. PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6) , PAGE 2 STATION: BOSTON MA MONTH: MAY YEAR: 2025 LATITUDE: 42 22 N LONGITUDE: 71 2 W [TEMPERATURE DATA] [PRECIPITATION DATA] SYMBOLS USED IN COLUMN 16 AVERAGE MONTHLY: 62.3 TOTAL FOR MONTH: 0.43 1 = FOG OR MIST DPTR FM NORMAL: 7.8 DPTR FM NORMAL: 0.00 2 = FOG REDUCING VISIBILITY HIGHEST: 84 ON 3 GRTST 24HR 0.29 ON 2- 2 TO 1/4 MILE OR LESS LOWEST: 46 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: M ON M 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: 3 MAX 90 OR ABOVE: 0 0.10 INCH OR MORE: 1 MIN 32 OR BELOW: 0 0.50 INCH OR MORE: 0 MIN 0 OR BELOW: 0 1.00 INCH OR MORE: 0 [HDD (BASE 65) ] TOTAL THIS MO. 16 CLEAR (SCALE 0-3) 0 DPTR FM NORMAL -27 PTCLDY (SCALE 4-7) 3 TOTAL FM JUL 1 4894 CLOUDY (SCALE 8-10) 1 DPTR FM NORMAL -411 [CDD (BASE 65) ] TOTAL THIS MO. 6 DPTR FM NORMAL 6 [PRESSURE DATA] TOTAL FM JAN 1 12 HIGHEST SLP M ON M DPTR FM NORMAL 8 LOWEST SLP 29.75 ON 3 [REMARKS]