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

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PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6)

                                          STATION:   BOSTON MA
                                          MONTH:     JANUARY
                                          YEAR:      2026
                                          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  33  17  25  -7  40   0 0.02  0.7    M 16.4 28 280   M    M   6 1      39 280
 2  29  16  23  -9  42   0 0.00  0.0    M 13.2 23 260   M    M   5        34 240
 3  32  18  25  -6  40   0 0.00  0.0    M 11.6 21 270   M    M   6        29 260
 4  31  23  27  -4  38   0 0.01    T    M  8.2 16 330   M    M  10 1      22 330
 5  27  16  22  -9  43   0 0.06  0.3    M  7.5 18 330   M    M   7 1      25 320
 6  36  25  31   0  34   0 0.01    T    M  5.4 12  20   M    M  10 1468   14  20
 7  38  32  35   4  30   0 0.18  0.1    M  9.2 15 280   M    M   8 146    22 280
 8  48  34  41  11  24   0 0.00  0.0    M  7.1 15 290   M    M   3        22 340
 9  52  27  40  10  25   0 0.04    M    M 11.1 23 240   M    M   6 1      34 260
10  52  38  45  15  20   0 0.32    M    M  9.5 22 260   M    M   8 1      31 280
11  44  34  39   9  26   0 0.07    M    M 12.1 25 270   M    M   9 1      40 280
12  39  28  34   4  31   0 0.00  0.0    M 13.8 26 280   M    M   4        37 260
13  45  32  39   9  26   0 0.00  0.0    M 11.8 18 210   M    M   7        26 230
14  50  40  45  15  20   0    T  0.0    M  9.7 18 220   M    M  10        28 210
15  53  28  41  11  24   0    T  0.0    M 13.2 24 210   M    M   7        41 220
16  32  19  26  -4  39   0 0.00  0.0    M 16.0 31 260   M    M   4        43 280
17  39  28  34   4  31   0 0.02  0.0    M  8.3 22 230   M    M  10        32 260
================================================================================
SM  680  455       533   0  0.73  1.1    184.1          M      120
================================================================================
AV 40.0 26.8                              10.8 FASTST   M    M   7    MAX(MPH)
                                 MISC ---->    31 260                 43 280
================================================================================
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:     JANUARY
                                          YEAR:      2026
                                          LATITUDE:   42 22 N
                                          LONGITUDE:  71  2 W

[TEMPERATURE DATA]      [PRECIPITATION DATA]       SYMBOLS USED IN COLUMN 16

AVERAGE MONTHLY: 33.4   TOTAL FOR MONTH:   0.73    1 = FOG OR MIST
DPTR FM NORMAL:   2.9   DPTR FM NORMAL:   -1.22    2 = FOG REDUCING VISIBILITY
HIGHEST:    53 ON 15    GRTST 24HR  0.32 ON 10-10      TO 1/4 MILE OR LESS
LOWEST:     16 ON  5, 2                             3 = THUNDER
                        SNOW, ICE PELLETS, HAIL    4 = ICE PELLETS
                        TOTAL MONTH:   1.1 INCHES  5 = HAIL
                        GRTST 24HR   0.7 ON  1- 1  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:   9
MAX 90 OR ABOVE:   0    0.10 INCH OR MORE:   2
MIN 32 OR BELOW:  13    0.50 INCH OR MORE:   0
MIN  0 OR BELOW:   0    1.00 INCH OR MORE:   0

[HDD (BASE 65) ]
TOTAL THIS MO.   533    CLEAR  (SCALE 0-3)   1
DPTR FM NORMAL   -54    PTCLDY (SCALE 4-7)   9
TOTAL FM JUL 1  2507    CLOUDY (SCALE 8-10)  7
DPTR FM NORMAL    -2

[CDD (BASE 65) ]
TOTAL THIS MO.     0
DPTR FM NORMAL     0    [PRESSURE DATA]
TOTAL FM JAN 1     0    HIGHEST SLP M ON M
DPTR FM NORMAL     0    LOWEST  SLP 29.37 ON 16

[REMARKS]