WFO Monthly/Daily Climate Data
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CXUS56 KMTR 011000
CF6APC
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6)

                                          STATION:   NAPA AIRPORT
                                          MONTH:     DECEMBER
                                          YEAR:      2023
                                          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  62  34  48  -1  17   0 0.05    M    M  3.3 17 280   M    M   3 18     26 260
 2  61  51  56   7   9   0 0.01    M    M  6.6 15 200   M    M  10 1      19 200
 3  63  46  55   6  10   0 0.00    M    M  5.0 12 220   M    M   7 12     14 220
 4  65  42  54   6  11   0 0.00    M    M  2.8  8 140   M    M   5 12     14 220
 5  67  43  55   7  10   0 0.00    M    M  5.4 15  90   M    M   2 12     19 130
 6  60  43  52   4  13   0 0.53    M    M  5.4 16 280   M    M   7 12     20 220
 7  59  37  48   0  17   0 0.06    M    M  4.3 21 210   M    M   4 12     25 210
 8  61  31  46  -2  19   0 0.00    M    M  2.8 14 350   M    M   1 12     19 340
 9  58  30  44  -4  21   0 0.00    M    M  3.9  8 360   M    M   0        13 180
10  61  31  46  -2  19   0 0.00    M    M  3.5 10 100   M    M   0        13  90
11  60  32  46  -2  19   0 0.00    M    M  3.1  9 230   M    M   1 12     11 210
12  59  42  51   3  14   0 0.00    M    M  2.2  6 160   M    M   7 12      9 200
13  62  38  50   3  15   0 0.00    M    M  2.5  8  10   M    M   5 12     11 220
14  61  35  48   1  17   0 0.00    M    M  6.5 16  90   M    M   0        21  60
15  66  39  53   6  12   0 0.00    M    M 10.1 18  80   M    M   0        23  90
16  70  39  55   8  10   0 0.00    M    M  8.1 18  90   M    M   0        22  90
17  58  44  51   4  14   0 0.16    M    M  6.9 17  60   M    M   6 3      24  40
18  61  50  56   9   9   0 1.31    M    M 13.0 28  80   M    M  10 138    36  80
19  62  54  58  11   7   0 0.37    M    M  8.1 16 180   M    M   9 1      21 170
20  59  53  56   9   9   0 0.53    M    M  7.2 20  80   M    M   9 1      26  90
21  65  47  56   9   9   0    T    M    M  3.6 14  40   M    M   2 1      17  40
22  64  39  52   5  13   0 0.00    M    M  3.4 10 180   M    M   4 12     17 200
23  59  37  48   1  17   0 0.00    M    M  2.9  8 210   M    M   3 12     15 210
24  57  33  45  -2  20   0 0.00    M    M  2.7  8 290   M    M   0        13 200
25  60  39  50   3  15   0 0.00    M    M  4.1 14 250   M    M   0        19  90
26  59  42  51   4  14   0 0.00    M    M  6.4 17  90   M    M   0 18     28  80
27  56  42  49   2  16   0 0.32    M    M  8.6 20  80   M    M   7 18     25  80
28  62  53  58  11   7   0    T    M    M 11.2 20  90   M    M   9 1      27  80
29  64  54  59  12   6   0 0.87    M    M  6.6 17 140   M    M  10 1      24 150
30  61  48  55   8  10   0 0.12    M    M  4.6 12 270   M    M   7 1      18 270
31  59  47  53   6  12   0 0.00    M    M  3.9 15  90   M    M   7 1      18  90
================================================================================
SM 1901 1295       411   0  4.33    M    168.7          M      135
================================================================================
AV 61.3 41.8                               5.4 FASTST   M    M   4    MAX(MPH)
                                 MISC ---->    28  80                 36  80
================================================================================
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:     DECEMBER
                                          YEAR:      2023
                                          LATITUDE:   38 13 N
                                          LONGITUDE: 122 17 W

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

AVERAGE MONTHLY: 51.5   TOTAL FOR MONTH:   4.33    1 = FOG OR MIST
DPTR FM NORMAL:   4.0   DPTR FM NORMAL:    0.51    2 = FOG REDUCING VISIBILITY
HIGHEST:    70 ON 16    GRTST 24HR  1.52 ON 18-19      TO 1/4 MILE OR LESS
LOWEST:     30 ON  9                               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:  11
MAX 90 OR ABOVE:   0    0.10 INCH OR MORE:   8
MIN 32 OR BELOW:   4    0.50 INCH OR MORE:   4
MIN  0 OR BELOW:   0    1.00 INCH OR MORE:   1

[HDD (BASE 65) ]
TOTAL THIS MO.   411    CLEAR  (SCALE 0-3)  14
DPTR FM NORMAL  -133    PTCLDY (SCALE 4-7)  11
TOTAL FM JUL 1   817    CLOUDY (SCALE 8-10)  6
DPTR FM NORMAL  -329

[CDD (BASE 65) ]
TOTAL THIS MO.     0
DPTR FM NORMAL     0    [PRESSURE DATA]
TOTAL FM JAN 1   389    HIGHEST SLP M ON M
DPTR FM NORMAL    75    LOWEST  SLP 29.64 ON 20

[REMARKS]
#FINAL-12-23#


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