WFO Monthly/Daily Climate Data Issued by NWS
000
CXUS56 KMTR 011857
CF6APC
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6)
STATION: NAPA AIRPORT
MONTH: DECEMBER
YEAR: 2020
LATITUDE: 38 13 N
LONGITUDE: 122 17 W
TEMPERATURE IN F: :PCPN: SNOW: WIND :SUNSHINE: SKY :PK WND
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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
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1 65 29 47 0 18 0 0.00 M M 2.2 7 10 M M 0 1 10 200
2 65 32 49 2 16 0 0.00 M M 2.4 10 70 M M 0 1 11 60
3 67 35 51 4 14 0 0.00 M M 3.6 12 100 M M 0 17 90
4 70 34 52 5 13 0 0.00 M M 2.9 10 100 M M 0 18 13 130
5 66 35 51 4 14 0 0.00 M M 4.0 15 100 M M 1 128 19 100
6 64 34 49 2 16 0 0.00 M M 2.3 12 10 M M 3 12 13 10
7 78 44 61 15 4 0 0.00 M M 13.0 28 360 M M 0 36 360
8 71 34 53 7 12 0 0.00 M M 2.8 13 120 M M 0 24 140
9 66 35 51 5 14 0 0.00 M M 2.9 14 120 M M 0 18 120
10 65 33 49 3 16 0 0.00 M M 4.2 13 200 M M 0 16 200
11 54 33 44 -2 21 0 0.23 M M 3.9 12 210 M M 6 12 15 200
12 59 48 54 8 11 0 T M M 4.7 14 100 M M 7 18 16 100
13 58 45 52 6 13 0 0.53 M M 8.0 16 260 M M 8 1 21 90
14 58 34 46 0 19 0 0.00 M M 3.7 9 210 M M 0 1 11 320
15 59 34 47 1 18 0 0.00 M M 2.3 9 100 M M 3 1 11 100
16 59 35 47 1 18 0 0.16 M M 5.1 13 100 M M 5 18 17 90
17 61 37 49 4 16 0 0.42 M M 7.6 20 290 M M 4 1 23 290
18 61 33 47 2 18 0 0.00 M M 3.7 10 330 M M 0 14 290
19 60 32 46 1 19 0 0.00 M M 3.8 14 90 M M 0 128 17 90
20 60 32 46 1 19 0 0.00 M M 5.2 12 90 M M 0 12 13 100
21 59 31 45 0 20 0 0.00 M M 2.6 13 110 M M 3 128 15 110
22 59 35 47 2 18 0 0.00 M M 3.6 12 230 M M 2 12 13 240
23 56 28 42 -3 23 0 0.00 M M 10.7 21 90 M M 0 8 27 90
24 55 39 47 2 18 0 0.00 M M 14.6 25 90 M M 4 18 30 90
25 55 43 49 4 16 0 0.06 M M 7.4 18 90 M M 7 18 23 90
26 63 40 52 7 13 0 0.00 M M 6.9 16 190 M M 4 19 190
27 59 36 48 3 17 0 0.00 M M 5.2 17 90 M M 0 22 90
28 60 34 47 2 18 0 0.01 M M 5.9 16 60 M M 6 128 20 50
29 62 31 47 2 18 0 0.00 M M 3.0 9 210 M M 0 1 14 210
30 57 29 43 -2 22 0 0.09 M M 5.8 17 190 M M 3 1 21 190
31 64 37 51 6 14 0 0.01 M M 4.1 13 280 M M 0 1 14 280
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SM 1915 1091 506 0 1.51 M 158.1 M 66
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AV 61.8 35.2 5.1 FASTST M M 2 MAX(MPH)
MISC ----> 28 360 36 360
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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: 2020
LATITUDE: 38 13 N
LONGITUDE: 122 17 W
[TEMPERATURE DATA] [PRECIPITATION DATA] SYMBOLS USED IN COLUMN 16
AVERAGE MONTHLY: 48.5 TOTAL FOR MONTH: 1.51 1 = FOG OR MIST
DPTR FM NORMAL: 2.7 DPTR FM NORMAL: -2.28 2 = FOG REDUCING VISIBILITY
HIGHEST: 78 ON 7 GRTST 24HR 0.58 ON 16-17 TO 1/4 MILE OR LESS
LOWEST: 28 ON 23 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: 8
MAX 90 OR ABOVE: 0 0.10 INCH OR MORE: 4
MIN 32 OR BELOW: 8 0.50 INCH OR MORE: 1
MIN 0 OR BELOW: 0 1.00 INCH OR MORE: 0
[HDD (BASE 65) ]
TOTAL THIS MO. 506 CLEAR (SCALE 0-3) 20
DPTR FM NORMAL -89 PTCLDY (SCALE 4-7) 11
TOTAL FM JUL 1 965 CLOUDY (SCALE 8-10) 0
DPTR FM NORMAL -391
[CDD (BASE 65) ]
TOTAL THIS MO. 0
DPTR FM NORMAL 0 [PRESSURE DATA]
TOTAL FM JAN 1 579 HIGHEST SLP 30.42 ON 19
DPTR FM NORMAL 356 LOWEST SLP 29.66 ON 28
[REMARKS]
#FINAL-12-20#