WFO Monthly/Daily Climate Data
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000
CXUS56 KMTR 011857
CF6SFD
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6)

                                          STATION:   SAN FRANCISCO DWTN CA
                                          MONTH:     DECEMBER
                                          YEAR:      2020
                                          LATITUDE:   37 46 N
                                          LONGITUDE: 122 26 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  46  55   2  10   0 0.00    M    0    M  M   M   M    M   M         M   M
 2  63  47  55   2  10   0 0.00    M    0    M  M   M   M    M   M         M   M
 3  62  48  55   2  10   0 0.00    M    0    M  M   M   M    M   M         M   M
 4  65  48  57   4   8   0 0.00    M    0    M  M   M   M    M   M         M   M
 5  60  48  54   1  11   0 0.00    M    0    M  M   M   M    M   M         M   M
 6  61  48  55   2  10   0 0.00    M    0    M  M   M   M    M   M         M   M
 7  71  49  60   7   5   0 0.00    M    0    M  M   M   M    M   M         M   M
 8  71  50  61   9   4   0 0.00    M    0    M  M   M   M    M   M         M   M
 9  65  49  57   5   8   0 0.00    M    0    M  M   M   M    M   M         M   M
10  63  49  56   4   9   0 0.00    M    0    M  M   M   M    M   M         M   M
11  55  48  52   0  13   0 0.32    M    0    M  M   M   M    M   M         M   M
12  56  51  54   2  11   0 0.12    M    0    M  M   M   M    M   M         M   M
13  57  49  53   1  12   0 0.75    M    0    M  M   M   M    M   M         M   M
14  57  46  52   0  13   0 0.00    M    0    M  M   M   M    M   M         M   M
15  57  48  53   1  12   0 0.00    M    0    M  M   M   M    M   M         M   M
16  59  47  53   2  12   0 0.00    M    0    M  M   M   M    M   M         M   M
17  56  49  53   2  12   0 0.39    M    0    M  M   M   M    M   M         M   M
18  61  45  53   2  12   0 0.00    M    0    M  M   M   M    M   M         M   M
19  56  44  50  -1  15   0 0.00    M    0    M  M   M   M    M   M         M   M
20  58  45  52   1  13   0 0.00    M    0    M  M   M   M    M   M         M   M
21  59  46  53   2  12   0 0.00    M    0    M  M   M   M    M   M         M   M
22  58  48  53   2  12   0 0.00    M    0    M  M   M   M    M   M         M   M
23  58  44  51   0  14   0 0.00    M    0    M  M   M   M    M   M         M   M
24  57  44  51   0  14   0 0.00    M    0    M  M   M   M    M   M         M   M
25  59  48  54   3  11   0 0.33    M    0    M  M   M   M    M   M         M   M
26  57  51  54   3  11   0 0.00    M    0    M  M   M   M    M   M         M   M
27  57  47  52   1  13   0 0.00    M    0    M  M   M   M    M   M         M   M
28  54  47  51   0  14   0 0.11    M    0    M  M   M   M    M   M         M   M
29  60  44  52   1  13   0 0.00    M    0    M  M   M   M    M   M         M   M
30  54  43  49  -2  16   0 0.03    M    0    M  M   M   M    M   M         M   M
31  57  48  53   2  12   0 0.02    M    0    M  M   M   M    M   M         M   M
================================================================================
SM 1846 1464       352   0  2.07    M        M          M        M
================================================================================
AV 59.5 47.2                                 M FASTST   M    M   M    MAX(MPH)
                                 MISC ---->     M   M                  M   M
================================================================================
NOTES:
# LAST OF SEVERAL OCCURRENCES

COLUMN 17 PEAK WIND IN M.P.H.

PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6) , PAGE 2

                                          STATION:   SAN FRANCISCO DWTN CA
                                          MONTH:     DECEMBER
                                          YEAR:      2020
                                          LATITUDE:   37 46 N
                                          LONGITUDE: 122 26 W

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

AVERAGE MONTHLY: 53.4   TOTAL FOR MONTH:   2.07    1 = FOG OR MIST
DPTR FM NORMAL:   1.8   DPTR FM NORMAL:   -2.49    2 = FOG REDUCING VISIBILITY
HIGHEST:    71 ON  8, 7  GRTST 24HR  0.75 ON 13-13      TO 1/4 MILE OR LESS
LOWEST:     43 ON 30                               3 = THUNDER
                        SNOW, ICE PELLETS, HAIL    4 = ICE PELLETS
                        TOTAL MONTH:  M            5 = HAIL
                        GRTST 24HR    M  ON   M    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:   6
MIN 32 OR BELOW:   0    0.50 INCH OR MORE:   1
MIN  0 OR BELOW:   0    1.00 INCH OR MORE:   0

[HDD (BASE 65) ]
TOTAL THIS MO.   352    CLEAR  (SCALE 0-3)   0
DPTR FM NORMAL   -63    PTCLDY (SCALE 4-7)   0
TOTAL FM JUL 1   974    CLOUDY (SCALE 8-10) 31
DPTR FM NORMAL  -158

[CDD (BASE 65) ]
TOTAL THIS MO.     0
DPTR FM NORMAL     0    [PRESSURE DATA]
TOTAL FM JAN 1   245    HIGHEST SLP M ON M
DPTR FM NORMAL   133    LOWEST  SLP 9999.00 ON  1

[REMARKS]
#FINAL-12-20#


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