WFO Monthly/Daily Climate Data
Issued by NWS Boston, MA
Issued by NWS Boston, MA
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CXUS51 KBOX 300810
CF6BOS
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6)
STATION: BOSTON MA
MONTH: SEPTEMBER
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 73 60 67 -3 0 2 0.00 0.0 M 6.2 14 50 M M 7 19 70
2 74 60 67 -3 0 2 0.00 0.0 M 8.1 17 110 M M 3 21 110
3 76 58 67 -3 0 2 0.00 0.0 M 9.5 21 110 M M 2 25 110
4 79 58 69 0 0 4 0.00 0.0 M 11.1 22 110 M M 2 26 110
5 84 65 75 6 0 10 0.08 0.0 M 11.8 22 200 M M 6 1 28 200
6 86 67 77 8 0 12 0.56 0.0 M 11.9 30 180 M M 7 13 39 190
7 67 61 64 -5 1 0 0.79 0.0 M 7.0 14 340 M M 10 1 20 340
8 68 55 62 -6 3 0 0.00 0.0 M 7.5 13 290 M M 6 M M
9 69 53 61 -7 4 0 0.00 0.0 M 6.9 13 60 M M 3 17 50
10 68 57 63 -5 2 0 0.00 0.0 M 9.9 16 60 M M 8 M M
11 74 55 65 -2 0 0 0.00 0.0 M 7.4 14 350 M M 4 20 330
12 68 58 63 -4 2 0 0.00 0.0 M 9.3 15 50 M M 2 19 60
13 71 55 63 -4 2 0 T 0.0 M 9.1 20 100 M M 5 M M
14 75 59 67 1 0 2 0.00 0.0 M 5.2 13 130 M M 5 16 80
15 72 60 66 0 0 1 0.00 0.0 M 6.7 14 80 M M 4 19 70
16 68 57 63 -3 2 0 0.00 0.0 M 5.3 10 70 M M 8 12 15 80
17 70 56 63 -2 2 0 0.01 0.0 M 7.7 14 80 M M 7 1 18 50
18 74 62 68 3 0 3 0.11 0.0 M 6.6 14 220 M M 7 13 20 200
19 82 61 72 7 0 7 0.00 0.0 M 11.5 17 350 M M 1 25 360
20 65 54 60 -4 5 0 0.00 0.0 M 8.1 15 110 M M 1 19 100
21 66 51 59 -5 6 0 0.00 0.0 M 6.7 16 100 M M 5 22 100
22 69 54 62 -2 3 0 0.00 0.0 M 7.5 16 110 M M 6 20 90
23 80 60 70 7 0 5 0.00 0.0 M 8.9 20 250 M M 5 33 260
24 66 63 65 2 0 0 0.11 0.0 M 9.1 15 100 M M 10 1 22 100
25 72 63 68 6 0 3 1.42 0.0 M 9.5 20 210 M M 10 12 28 190
26 82 69 76 14 0 11 0.00 0.0 M 10.2 16 260 M M 5 24 250
27 76 64 70 8 0 5 0.00 0.0 M 8.2 14 100 M M 6 18 110
28 84 65 75 14 0 10 0.01 0.0 M 8.9 17 230 M M 6 26 240
29 78 63 71 10 0 6 0.00 0.0 0 7.0 12 230 M M 5 17 230
================================================================================
SM 2136 1723 32 85 3.09 0.0 242.8 M 156
================================================================================
AV 73.7 59.4 8.4 FASTST M M 5 MAX(MPH)
MISC ----> 30 180 39 190
================================================================================
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: SEPTEMBER
YEAR: 2025
LATITUDE: 42 22 N
LONGITUDE: 71 2 W
[TEMPERATURE DATA] [PRECIPITATION DATA] SYMBOLS USED IN COLUMN 16
AVERAGE MONTHLY: 66.5 TOTAL FOR MONTH: 3.09 1 = FOG OR MIST
DPTR FM NORMAL: 0.7 DPTR FM NORMAL: -0.34 2 = FOG REDUCING VISIBILITY
HIGHEST: 86 ON 6 GRTST 24HR 1.45 ON 24-25 TO 1/4 MILE OR LESS
LOWEST: 51 ON 21 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: 5
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. 32 CLEAR (SCALE 0-3) 7
DPTR FM NORMAL -33 PTCLDY (SCALE 4-7) 19
TOTAL FM JUL 1 39 CLOUDY (SCALE 8-10) 3
DPTR FM NORMAL -35
[CDD (BASE 65) ]
TOTAL THIS MO. 85
DPTR FM NORMAL -5 [PRESSURE DATA]
TOTAL FM JAN 1 842 HIGHEST SLP M ON M
DPTR FM NORMAL 52 LOWEST SLP 29.65 ON 25
[REMARKS]