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000
CXUS56 KMTR 080911
CF6SFO
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6)

                                          STATION:   SAN FRANCISCO AIRPORT
                                          MONTH:     APRIL
                                          YEAR:      2021
                                          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  84  54  69  13   0   4 0.00    M    M  6.8 23 300   M    M   0 8      26 280
 2  70  50  60   4   5   0 0.00    M    M 14.5 25 300   M    M   4 8      30 280
 3  63  51  57   1   8   0 0.00    M    M 11.5 23 290   M    M   8        28 280
 4  62  52  57   1   8   0 0.00    M    M 12.9 24 290   M    M   8        28 290
 5  57  52  55  -2  10   0 0.00    M    M 11.9 20 280   M    M   8 8      24 280
 6  63  50  57   0   8   0 0.00    M    M 12.4 26 280   M    M   5 8      32 280
 7  59  50  55  -2  10   0 0.00    M    M 16.6 31 280   M    M   8        36 280
 8  62  51  57   0   8   0 0.00    M    M 17.3 25 280   M    M   5        31 270
 9  59  50  55  -2  10   0 0.00    M    M 22.0 35 280   M    M   5        39 280
10  64  49  57   0   8   0 0.00    M    M 15.5 30 280   M    M   3        34 270
11  68  48  58   1   7   0 0.00    M    M  9.8 32 280   M    M   5        36 280
12  66  48  57   0   8   0 0.00    M    M 10.7 23 300   M    M   4        28 300
13  61  51  56  -1   9   0 0.00    M    M 16.0 36 270   M    M   5        40 270
14  69  49  59   2   6   0 0.00    M    M  8.1 22 270   M    M   2        27 270
15  65  47  56  -1   9   0 0.00    M    M 10.6 22 290   M    M   2        27 300
16  60  48  54  -3  11   0 0.00    M    M 14.6 26 280   M    M   3        32 290
17  62  51  57   0   8   0 0.00    M    M 15.3 30 290   M    M   5        34 290
18  76  48  62   4   3   0 0.00    M    M 11.7 30 290   M    M   1        34 290
19  63  50  57  -1   8   0 0.00    M    M 14.7 30 280   M    M   4        39 280
20  60  53  57  -1   8   0 0.00    M    M 20.0 48 280   M    M   7        58 270
21  64  51  58   0   7   0 0.00    M    M  9.2 26 270   M    M   6        31 270
22  62  50  56  -2   9   0 0.00    M    M 10.8 26 280   M    M   7 8      30 270
23  68  52  60   2   5   0 0.00    M    M 10.5 26 280   M    M   7 8      31 280
24  66  51  59   1   6   0 0.00    M    M  9.2 22 270   M    M   8 18     24 270
25  60  51  56  -2   9   0    T    M    M 10.0 23 210   M    M   8 8      28 210
26  62  49  56  -2   9   0 0.00    M    M 14.7 28 280   M    M   5 8      34 280
27  70  48  59   1   6   0    T    M    M 11.9 31 280   M    M   2 8      37 280
28  83  50  67   9   0   2 0.00    M    M 10.2 26 290   M    M   1 8      30 290
29  63  52  58   0   7   0 0.00    M    M 15.9 29 290   M    M   4 8      34 290
30  62  53  58   0   7   0 0.00    M    M 15.8 29 280   M    M   8 18     35 280
================================================================================
SM 1953 1509       217   6     T    M    391.1          M      148
================================================================================
AV 65.1 50.3                              13.0 FASTST   M    M   5    MAX(MPH)
                                 MISC ---->    48 280                 58 270
================================================================================
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:     APRIL
                                          YEAR:      2021
                                          LATITUDE:   37 37 N
                                          LONGITUDE: 122 23 W

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

AVERAGE MONTHLY: 57.7   TOTAL FOR MONTH:      T    1 = FOG OR MIST
DPTR FM NORMAL:   0.4   DPTR FM NORMAL:   -1.36    2 = FOG REDUCING VISIBILITY
HIGHEST:    84 ON  1    GRTST 24HR     T ON 24-24      TO 1/4 MILE OR LESS
LOWEST:     47 ON 15                               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:  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:   0
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.   217    CLEAR  (SCALE 0-3)   7
DPTR FM NORMAL   -17    PTCLDY (SCALE 4-7)  22
TOTAL FM JUL 1  1905    CLOUDY (SCALE 8-10)  1
DPTR FM NORMAL  -304

[CDD (BASE 65) ]
TOTAL THIS MO.     6
DPTR FM NORMAL     1    [PRESSURE DATA]
TOTAL FM JAN 1     9    HIGHEST SLP 30.23 ON 29
DPTR FM NORMAL     3    LOWEST  SLP 29.81 ON 12

[REMARKS]
#FINAL-04-21#