WFO Monthly/Daily Climate Data
Issued by NWS

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000
CXUS56 KMTR 141000
CF6SFO
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6)

                                          STATION:   SAN FRANCISCO AIRPORT
                                          MONTH:     DECEMBER
                                          YEAR:      2017
                                          LATITUDE:   37 37 N
                                          LONGITUDE: 122 23 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  60  46  53   1  12   0 0.00  0.0    0  6.4 15 280   M    M   4        17 280
 2  58  48  53   1  12   0 0.01  0.0    0  5.0 21 240   M    M   7        24 230
 3  57  49  53   1  12   0 0.02  0.0    0 10.3 22 350   M    M   2 1      27 290
 4  62  51  57   5   8   0 0.00  0.0    0 13.7 31  30   M    M   1        37  20
 5  66  47  57   5   8   0 0.00  0.0    0  5.7 16 130   M    M   0        18 130
 6  62  42  52   0  13   0 0.00  0.0    0  5.8 16  80   M    M   0 8      18  70
 7  65  45  55   3  10   0 0.00  0.0    0  4.6 10 140   M    M   3        13 140
 8  62  43  53   2  12   0 0.00  0.0    0  2.2  6 170   M    M   4         7 180
 9  63  43  53   2  12   0 0.00  0.0    0  2.8 13  80   M    M   5        14  70
10  63  42  53   2  12   0 0.00  0.0    0  3.5 10 140   M    M   2        12 140
11  65  44  55   4  10   0 0.00  0.0    0  2.3  7  20   M    M   5         9 190
12  60  42  51   0  14   0 0.00  0.0    0  2.4  9  10   M    M   2        10  10
13  61  41  51   0  14   0 0.00  0.0    0  4.4 14 280   M    M   3        16 280
================================================================================
SM  804  583       149   0  0.03     0.0  69.1          M       38
================================================================================
AV 61.9 44.9                               5.3 FASTST   M    M   3    MAX(MPH)
                                 MISC ---->  # 31  30               # 37   20
================================================================================
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 AIRPORT
                                          MONTH:    DECEMBER
                                          YEAR:     2017
                                          LATITUDE:   37 37 N
                                          LONGITUDE: 122 23 W

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

AVERAGE MONTHLY: 53.4   TOTAL FOR MONTH:   0.03    1 = FOG OR MIST
DPTR FM NORMAL:   1.8   DPTR FM NORMAL:   -1.46    2 = FOG REDUCING VISIBILITY
HIGHEST:    66 ON  5    GRTST 24HR  0.02 ON  3- 3      TO 1/4 MILE OR LESS
LOWEST:     41 ON 13                               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:   2
MAX 90 OR ABOVE:   0    0.10 INCH OR MORE:   0
MIN 32 OR BELOW:   0    0.50 INCH OR MORE:   0
MIN  0 OR BELOW:   0    1.00 INCH OR MORE:   0

[HDD (BASE 65) ]
TOTAL THIS MO.   149    CLEAR  (SCALE 0-3)   8
DPTR FM NORMAL   -27    PTCLDY (SCALE 4-7)   5
TOTAL FM JUL 1   488    CLOUDY (SCALE 8-10)  0
DPTR FM NORMAL  -252

[CDD (BASE 65) ]
TOTAL THIS MO.     0
DPTR FM NORMAL     0    [PRESSURE DATA]
TOTAL FM JAN 1   346    HIGHEST SLP M ON M
DPTR FM NORMAL   182    LOWEST  SLP 29.99 ON  2

[REMARKS]



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