WFO Monthly/Daily Climate Data Issued by NWS Jacksonville, FL
000
CXUS52 KJAX 020828
CF6SSI
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6)
STATION: ST SIMONS ISLAND
MONTH: DECEMBER
YEAR: 2020
LATITUDE: 31 9 N
LONGITUDE: 81 23 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 50 37 44 -14 21 0 0.00 0.0 0 10.2 21 280 M M 0 29 270
2 56 34 45 -12 20 0 0.00 0.0 0 4.8 14 360 M M 0 21 350
3 64 37 51 -6 14 0 0.00 0.0 0 7.8 14 30 M M 0 18 40
4 71 52 62 5 3 0 0.05 0.0 0 4.7 16 210 M M 6 1 24 190
5 64 44 54 -2 11 0 0.00 0.0 0 7.6 16 300 M M 1 22 280
6 62 43 53 -3 12 0 0.00 0.0 0 3.4 8 350 M M 4 15 260
7 63 45 54 -2 11 0 0.01 0.0 0 9.9 20 310 M M 5 30 290
8 53 35 44 -12 21 0 0.00 0.0 0 6.9 15 290 M M 0 20 290
9 62 36 49 -6 16 0 0.00 0.0 0 7.6 15 260 M M 0 20 250
10 67 44 56 1 9 0 0.00 0.0 0 4.8 13 260 M M 0 1 17 260
11 68 44 56 1 9 0 0.00 0.0 0 2.6 9 110 M M 1 12 10 100
12 70 51 61 6 4 0 T 0.0 0 2.1 9 130 M M 5 1 13 130
13 69 59 64 10 1 0 0.00 0.0 0 5.1 10 150 M M M 12 21 260
14 78 55 67 13 0 2 0.01 0.0 0 9.4 20 220 M M 0 1 26 230
15 59 47 53 -1 12 0 T 0.0 0 13.4 25 10 M M 9 1 32 50
16 58 46 52 -2 13 0 0.73 0.0 0 6.0 14 310 M M 10 13 20 150
17 51 41 46 -8 19 0 0.00 0.0 0 8.9 17 290 M M 9 24 310
18 55 33 44 -9 21 0 0.00 0.0 0 7.0 15 300 M M 1 22 300
19 58 41 50 -3 15 0 T 0.0 0 10.0 18 20 M M 3 26 30
20 59 50 55 2 10 0 0.22 0.0 0 3.4 12 340 M M 9 1 15 340
21 61 49 55 2 10 0 0.01 0.0 0 7.8 16 280 M M 5 1 23 280
22 68 46 57 4 8 0 0.00 0.0 0 5.9 14 280 M M 0 21 280
23 70 42 56 4 9 0 0.00 0.0 0 3.5 10 80 M M 1 12 60
24 73 44 59 7 6 0 0.54 0.0 0 9.0 32 270 M M 3 13 46 280
25 46 33 40 -12 25 0 0.00 0.0 0 13.8 28 280 M M 1 37 280
26 49 27 38 -14 27 0 0.00 0.0 0 3.3 10 270 M M 0 13 270
27 56 29 43 -9 22 0 0.00 0.0 0 2.7 10 70 M M 0 13 60
28 65 40 53 1 12 0 0.00 0.0 0 3.0 13 80 M M 0 15 80
29 64 41 53 1 12 0 0.00 0.0 0 6.2 16 30 M M 1 1 20 10
30 66 52 59 7 6 0 0.01 0.0 0 6.8 15 20 M M 5 1 20 20
31 69 59 64 12 1 0 T 0.0 0 6.7 14 160 M M 5 1 23 160
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SM 1924 1336 380 2 1.58 0.0 204.3 M 84
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AV 62.1 43.1 6.6 FASTST M M 3 MAX(MPH)
MISC ----> 32 270 46 280
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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: ST SIMONS ISLAND
MONTH: DECEMBER
YEAR: 2020
LATITUDE: 31 9 N
LONGITUDE: 81 23 W
[TEMPERATURE DATA] [PRECIPITATION DATA] SYMBOLS USED IN COLUMN 16
AVERAGE MONTHLY: 52.6 TOTAL FOR MONTH: 1.58 1 = FOG OR MIST
DPTR FM NORMAL: -1.5 DPTR FM NORMAL: -1.06 2 = FOG REDUCING VISIBILITY
HIGHEST: 78 ON 14 GRTST 24HR 0.73 ON 15-16 TO 1/4 MILE OR LESS
LOWEST: 27 ON 26 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: 8
MAX 90 OR ABOVE: 0 0.10 INCH OR MORE: 3
MIN 32 OR BELOW: 2 0.50 INCH OR MORE: 2
MIN 0 OR BELOW: 0 1.00 INCH OR MORE: 0
[HDD (BASE 65) ]
TOTAL THIS MO. 380 CLEAR (SCALE 0-3) 18
DPTR FM NORMAL 29 PTCLDY (SCALE 4-7) 8
TOTAL FM JUL 1 436 CLOUDY (SCALE 8-10) 5
DPTR FM NORMAL -94
[CDD (BASE 65) ]
TOTAL THIS MO. 2
DPTR FM NORMAL -11 [PRESSURE DATA]
TOTAL FM JAN 1 3225 HIGHEST SLP 30.41 ON 29
DPTR FM NORMAL 597 LOWEST SLP 29.70 ON 24
[REMARKS]
#FINAL-12-20#