WFO Monthly/Daily Climate Data
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CXUS56 KMTR 010900
CF6APC
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6)

                                          STATION:   NAPA AIRPORT
                                          MONTH:     SEPTEMBER
                                          YEAR:      2021
                                          LATITUDE:   38 13 N
                                          LONGITUDE: 122 17 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  69  52  61  -6   4   0 0.00    M    M 12.5 25 200   M    M   5 8      29 200
 2  71  54  63  -4   2   0    T    M    M 10.1 20 200   M    M   4        23 210
 3  76  51  64  -3   1   0 0.00    M    M  7.0 15 190   M    M   3 18     18 180
 4  83  45  64  -3   1   0 0.00    M    M  5.3 14 210   M    M   3 128    15 200
 5  91  45  68   1   0   3 0.00    M    M  5.2 13 200   M    M   1 12     14 180
 6  93  48  71   4   0   6 0.00    M    M  5.1 14 250   M    M   0        15 240
 7  87  51  69   2   0   4 0.00    M    M  7.0 18 200   M    M   0 1      23 210
 8  88  57  73   7   0   8 0.00    M    M  6.8 16 180   M    M   0        21 190
 9  77  56  67   1   0   2 0.00    M    M  8.3 22 200   M    M   1 1      24 210
10  76  57  67   1   0   2    T    M    M  9.9 20 190   M    M   4 13     22 190
11  78  53  66   0   0   1 0.00    M    M  6.8 15 200   M    M   2 1      18 210
12  83  50  67   1   0   2 0.00    M    M  6.3 15 190   M    M   0 1      17 200
13  81  50  66   0   0   1 0.00    M    M  5.2 15 190   M    M   0 1      17 200
14  77  49  63  -3   2   0 0.00    M    M  7.0 16 180   M    M   0 1      19 180
15  72  54  63  -3   2   0 0.00    M    M 12.5 22 200   M    M   4        25 260
16  69  54  62  -4   3   0 0.00    M    M 11.1 22 190   M    M   6        26 200
17  69  56  63  -3   2   0 0.00    M    M 10.3 25 190   M    M   5 8      31 200
18  70  57  64  -2   1   0 0.00    M    M 11.7 23 200   M    M  10 1      26 200
19  81  52  67   2   0   2 0.00    M    M  7.3 18 260   M    M   3        22 260
20  89  45  67   2   0   2 0.00    M    M  4.7 13 220   M    M   0        15 210
21  96  51  74   9   0   9 0.00    M    M  5.4 15 190   M    M   0        20  70
22  83  51  67   2   0   2 0.00    M    M  5.6 16 210   M    M   0 12     19 260
23  88  45  67   2   0   2 0.00    M    M  3.5 12 200   M    M   2 12     14 180
24  78  52  65   0   0   0 0.00    M    M  7.0 14 210   M    M   0        19 190
25  73  51  62  -3   3   0    T    M    M  9.6 20 270   M    M   3 1      23 280
26  74  55  65   1   0   0 0.00    M    M 12.4 21 270   M    M   5        33 240
27  77  53  65   1   0   0    T    M    M 10.2 18 270   M    M   9        24 260
28  83  48  66   2   0   1 0.00    M    M  7.5 23 280   M    M   0        27 280
29  79  42  61  -3   4   0 0.00    M    M  4.8 16 200   M    M   0        19 210
30  88  44  66   2   0   1 0.00    M    M  5.0 15 200   M    M   0        18 230
================================================================================
SM 2399 1528        25  48     T    M    231.1          M       70
================================================================================
AV 80.0 50.9                               7.7 FASTST   M    M   2    MAX(MPH)
                                 MISC ---->  # 25 200                 33 240
================================================================================
NOTES:
# LAST OF SEVERAL OCCURRENCES

COLUMN 17 PEAK WIND IN M.P.H.

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

                                          STATION:   NAPA AIRPORT
                                          MONTH:     SEPTEMBER
                                          YEAR:      2021
                                          LATITUDE:   38 13 N
                                          LONGITUDE: 122 17 W

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

AVERAGE MONTHLY: 65.5   TOTAL FOR MONTH:      T    1 = FOG OR MIST
DPTR FM NORMAL:  -0.2   DPTR FM NORMAL:   -0.07    2 = FOG REDUCING VISIBILITY
HIGHEST:    96 ON 21    GRTST 24HR     T ON 31- 1      TO 1/4 MILE OR LESS
LOWEST:     42 ON 29                               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:   3    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.    25    CLEAR  (SCALE 0-3)  18
DPTR FM NORMAL   -22    PTCLDY (SCALE 4-7)  10
TOTAL FM JUL 1    68    CLOUDY (SCALE 8-10)  2
DPTR FM NORMAL   -11

[CDD (BASE 65) ]
TOTAL THIS MO.    48
DPTR FM NORMAL   -18    [PRESSURE DATA]
TOTAL FM JAN 1   234    HIGHEST SLP M ON M
DPTR FM NORMAL   -61    LOWEST  SLP 29.70 ON  1

[REMARKS]
#FINAL-09-21#


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