WFO Monthly/Daily Climate Data
Issued by NWS Boston, MA

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896 CXUS51 KBOX 171645 CF6BOS PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6) STATION: BOSTON MA MONTH: DECEMBER YEAR: 2020 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 63 42 53 13 12 0 0.41 0.0 M 15.7 32 220 M M 8 1 40 160 2 43 35 39 0 26 0 T 0.0 M 13.5 22 250 M M 5 29 260 3 50 33 42 3 23 0 0.00 0.0 M 12.6 18 210 M M 3 26 290 4 58 40 49 10 16 0 0.02 0.0 M 13.2 23 220 M M 8 29 220 5 47 33 40 2 25 0 1.72 0.3 M 18.2 35 330 M M 10 1 46 300 6 37 29 33 -5 32 0 T T M 17.2 28 300 M M 7 36 300 7 35 27 31 -7 34 0 0.00 0.0 M 10.3 20 280 M M 5 25 250 8 31 26 29 -8 36 0 0.00 0.0 M 13.4 22 360 M M 9 27 350 9 36 24 30 -7 35 0 T 0.0 M 7.6 13 230 M M 8 16 260 10 45 34 40 3 25 0 0.00 0.0 M 9.5 22 310 M M 5 30 290 11 51 28 40 4 25 0 0.00 0.0 M 8.2 23 210 M M 5 29 210 12 47 35 41 5 24 0 0.50 0.0 M 5.9 16 70 M M 8 1 19 70 13 59 40 50 14 15 0 0.00 0.0 M 6.9 18 240 M M 8 12 25 220 14 40 34 37 2 28 0 0.06 T M 7.8 18 350 M M 7 4 23 360 15 36 23 30 -5 35 0 0.00 0.0 M 13.8 21 300 M M 3 28 300 16 30 16 23 -12 42 0 0.04 0.4 M 13.1 31 60 M M 8 1 37 60 17 32 21 27 -7 38 0 0.30 12.3 M 22.6 39 60 M M 10 1269 48 60 18 30 21 26 -8 39 0 0.00 0.0 M 10.3 17 350 M M 7 23 330 19 31 17 24 -10 41 0 0.00 0.0 M 6.0 13 310 M M 5 15 310 20 36 26 31 -2 34 0 0.03 T M 3.6 10 290 M M 9 1 16 280 21 37 27 32 -1 33 0 0.00 0.0 M 5.6 13 260 M M 8 1 17 290 22 44 32 38 5 27 0 0.00 0.0 M 11.6 23 290 M M 5 29 290 23 38 30 34 2 31 0 0.00 0.0 M 10.1 22 280 M M 4 28 280 24 53 30 42 10 23 0 T 0.0 M 13.0 28 150 M M 9 1 33 160 25 60 40 50 18 15 0 1.49 0.0 M 19.7 36 160 M M 10 1 44 170 26 40 28 34 2 31 0 0.00 0.0 M 17.1 30 210 M M 5 39 210 27 38 25 32 1 33 0 0.00 0.0 M 8.9 18 260 M M 3 23 250 28 49 28 39 8 26 0 0.00 0.0 M 9.4 23 210 M M 7 27 210 29 42 24 33 2 32 0 0.00 0.0 M 15.4 29 270 M M 3 37 290 30 41 24 33 2 32 0 0.00 0.0 M 11.9 24 210 M M 7 29 210 31 45 33 39 9 26 0 0.10 0.0 M 14.2 28 220 M M 9 34 220 ================================================================================ SM 1324 905 894 0 4.67 13.0 366.3 M 208 ================================================================================ AV 42.7 29.2 11.8 FASTST M M 7 MAX(MPH) MISC ----> 39 60 48 60 ================================================================================ 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: DECEMBER YEAR: 2020 LATITUDE: 42 22 N LONGITUDE: 71 2 W [TEMPERATURE DATA] [PRECIPITATION DATA] SYMBOLS USED IN COLUMN 16 AVERAGE MONTHLY: 36.0 TOTAL FOR MONTH: 4.67 1 = FOG OR MIST DPTR FM NORMAL: 1.3 DPTR FM NORMAL: 0.89 2 = FOG REDUCING VISIBILITY HIGHEST: 63 ON 1 GRTST 24HR 1.73 ON 4- 5 TO 1/4 MILE OR LESS LOWEST: 16 ON 16 3 = THUNDER SNOW, ICE PELLETS, HAIL 4 = ICE PELLETS TOTAL MONTH: 13.0 INCHES 5 = HAIL GRTST 24HR 12.3 ON 17-17 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: 5 0.01 INCH OR MORE: 10 MAX 90 OR ABOVE: 0 0.10 INCH OR MORE: 6 MIN 32 OR BELOW: 20 0.50 INCH OR MORE: 3 MIN 0 OR BELOW: 0 1.00 INCH OR MORE: 2 [HDD (BASE 65) ] TOTAL THIS MO. 894 CLEAR (SCALE 0-3) 4 DPTR FM NORMAL -45 PTCLDY (SCALE 4-7) 16 TOTAL FM JUL 1 1781 CLOUDY (SCALE 8-10) 11 DPTR FM NORMAL -211 [CDD (BASE 65) ] TOTAL THIS MO. 0 DPTR FM NORMAL 0 [PRESSURE DATA] TOTAL FM JAN 1 924 HIGHEST SLP 30.53 ON 16 DPTR FM NORMAL 177 LOWEST SLP 29.28 ON 5 [REMARKS] #FINAL-12-20#