WFO Monthly/Daily Climate Data
Issued by NWS Boston, MA
Issued by NWS Boston, MA
041
CXUS51 KBOX 220810
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
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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
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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
5 54 49 52 -3 13 0 0.75 0.0 M 13.1 21 50 M M M 2 28 50
6 61 49 55 -1 10 0 0.27 0.0 M 10.4 17 50 M M M 23 22 50
7 73 55 64 8 1 0 0.02 0.0 M 10.9 20 200 M M 6 28 190
8 70 54 62 6 3 0 T 0.0 M 8.9 20 100 M M 7 3 24 100
9 56 48 52 -4 13 0 1.09 0.0 M 14.8 24 60 M M 10 1 33 50
10 64 47 56 -1 9 0 0.44 0.0 M 11.5 22 290 M M 8 13 31 290
11 70 53 62 5 3 0 0.00 0.0 M 13.0 23 290 M M 2 33 280
12 75 46 61 4 4 0 0.00 0.0 M 12.4 26 220 M M 3 35 240
13 63 52 58 0 7 0 0.00 0.0 M 8.3 17 80 M M 7 22 50
14 62 50 56 -2 9 0 0.00 0.0 M 6.9 13 70 M M 8 8 18 60
15 68 55 62 4 3 0 0.35 0.0 M 5.3 13 60 M M 9 18 16 60
16 79 63 71 13 0 6 0.00 0.0 M 8.1 16 210 M M 8 23 160
17 76 61 69 10 0 4 T 0.0 M 9.7 18 290 M M 8 1 25 300
18 70 59 65 6 0 0 T 0.0 M 16.1 28 260 M M 6 37 260
19 64 50 57 -2 8 0 0.00 0.0 M 20.0 29 310 M M 8 42 320
20 57 49 53 -7 12 0 T 0.0 M 11.5 21 310 M M 10 29 310
21 50 47 49 -11 16 0 T 0.0 M 14.1 21 90 M M 10 29 110
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SM 1405 1092 127 16 3.35 0.0 231.0 M 139
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AV 66.9 52.0 11.0 FASTST M M 7 MAX(MPH)
MISC ----> 29 310 42 320
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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: 59.5 TOTAL FOR MONTH: 3.35 1 = FOG OR MIST
DPTR FM NORMAL: 2.5 DPTR FM NORMAL: 1.22 2 = FOG REDUCING VISIBILITY
HIGHEST: 84 ON 3 GRTST 24HR 1.52 ON 9-10 TO 1/4 MILE OR LESS
LOWEST: 46 ON 12, 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: 9
MAX 90 OR ABOVE: 0 0.10 INCH OR MORE: 6
MIN 32 OR BELOW: 0 0.50 INCH OR MORE: 2
MIN 0 OR BELOW: 0 1.00 INCH OR MORE: 1
[HDD (BASE 65) ]
TOTAL THIS MO. 127 CLEAR (SCALE 0-3) 1
DPTR FM NORMAL -53 PTCLDY (SCALE 4-7) 12
TOTAL FM JUL 1 5005 CLOUDY (SCALE 8-10) 8
DPTR FM NORMAL -437
[CDD (BASE 65) ]
TOTAL THIS MO. 16
DPTR FM NORMAL 3 [PRESSURE DATA]
TOTAL FM JAN 1 22 HIGHEST SLP M ON M
DPTR FM NORMAL 5 LOWEST SLP 29.41 ON 17
[REMARKS]