WFO Monthly/Daily Climate Data
Issued by NWS

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199
CXUS56 KMTR 261000
CF6APC
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6)

                                          STATION:   NAPA AIRPORT
                                          MONTH:     APRIL
                                          YEAR:      2017
                                          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  77  45  61   8   4   0 0.00  0.0    0  5.6 14 200   M    M   0        16 220
 2  78  49  64  11   1   0 0.00  0.0    0  4.7 12 190   M    M   2 18     14 190
 3  76  40  58   4   7   0 0.00  0.0    0  6.3 18 280   M    M   0        22 280
 4  69  45  57   3   8   0 0.00  0.0    0  3.8 12 230   M    M   1 8      14 230
 5  71  46  59   5   6   0 0.00  0.0    0  3.5 10 210   M    M   0        13 210
 6  65  50  58   4   7   0 1.07  0.0    0  8.2 24 170   M    M   9 1      35 180
 7  63  49  56   2   9   0 0.78    M    0 10.6 24 200   M    M   9 1      29 200
 8  59  41  50  -4  15   0 0.07  0.0    0  8.1 21 280   M    M   4 1      25 280
 9  63  38  51  -3  14   0 0.00  0.0    0  5.1 20 280   M    M   1 1      23 280
10  67  39  53  -1  12   0 0.00  0.0    0  4.6 15 280   M    M   4        17 280
11  66  52  59   5   6   0 0.05  0.0    0  6.4 22 220   M    M  10 1      28 190
12  66  55  61   7   4   0 0.17  0.0    0 12.0 28 210   M    M   9 1      32 210
13  62  45  54   0  11   0 0.09    M    0 11.5 26 260   M    M   5 1      31 260
14  66  36  51  -4  14   0 0.00  0.0    0  5.1 17 270   M    M   0 1      22 270
15  68  38  53  -2  12   0 0.00  0.0    0  3.0 10 270   M    M   0 1      12 270
16  57  45  51  -4  14   0 0.48    M    0  2.6 12  30   M    M   6 18     14 200
17  63  55  59   4   6   0 0.15  0.0    0  4.8 12 190   M    M  10 1      14 190
18  69  50  60   5   5   0 0.06  0.0    0  6.5 21 260   M    M   6 18     24 270
19  68  42  55   0  10   0 0.18    M    0  7.6 20 200   M    M   3 12     23 200
20  71  48  60   5   5   0    T  0.0    0  5.1 15 290   M    M   3 1      19 280
21  77  44  61   6   4   0 0.00  0.0    0  3.9 15 270   M    M   0 1      20 270
22  69  43  56   0   9   0 0.00  0.0    0  9.0 21 280   M    M   2        25 280
23  70  50  60   4   5   0 0.00  0.0    0 14.0 29 280   M    M   0        35 270
24  65  52  59   3   6   0 0.00  0.0    0 13.7 26 270   M    M   7        32 260
25  70  51  61   5   4   0 0.00  0.0    0 10.4 25 270   M    M   5        30 270
================================================================================
SM 1695 1148       198   0  3.10     0.0 176.1          M       96
================================================================================
AV 67.8 45.9                               7.0 FASTST   M    M   4    MAX(MPH)
                                 MISC ---->  # 29 280               # 35  180
================================================================================
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:    APRIL
                                          YEAR:     2017
                                          LATITUDE:   38 13 N
                                          LONGITUDE: 122 17 W

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

AVERAGE MONTHLY: 56.9   TOTAL FOR MONTH:   3.10    1 = FOG OR MIST
DPTR FM NORMAL:   2.3   DPTR FM NORMAL:    2.19    2 = FOG REDUCING VISIBILITY
HIGHEST:    78 ON  2    GRTST 24HR  1.52 ON  6- 7      TO 1/4 MILE OR LESS
LOWEST:     36 ON 14                               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:  10
MAX 90 OR ABOVE:   0    0.10 INCH OR MORE:   6
MIN 32 OR BELOW:   0    0.50 INCH OR MORE:   2
MIN  0 OR BELOW:   0    1.00 INCH OR MORE:   1

[HDD (BASE 65) ]
TOTAL THIS MO.   198    CLEAR  (SCALE 0-3)  11
DPTR FM NORMAL   -66    PTCLDY (SCALE 4-7)   9
TOTAL FM JUL 1  2346    CLOUDY (SCALE 8-10)  5
DPTR FM NORMAL  -702

[CDD (BASE 65) ]
TOTAL THIS MO.     0
DPTR FM NORMAL     0    [PRESSURE DATA]
TOTAL FM JAN 1     0    HIGHEST SLP M ON M
DPTR FM NORMAL    -1    LOWEST  SLP 29.70 ON  6

[REMARKS]



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