WFO Monthly/Daily Climate Data
Issued by NWS
Issued by NWS
888
CXUS56 KMTR 311000
CF6SFO
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6)
STATION: SAN FRANCISCO AIRPORT
MONTH: JANUARY
YEAR: 2025
LATITUDE: 37 37 N
LONGITUDE: 122 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 55 42 49 -2 16 0 0.00 M M 3.6 8 20 M M 5 18 9 40
2 60 47 54 3 11 0 0.00 M M 3.7 12 360 M M 4 13 360
3 61 50 56 5 9 0 0.12 M M 6.9 21 240 M M 6 1 28 240
4 55 46 51 0 14 0 0.00 M M 3.7 10 290 M M 6 18 13 300
5 59 46 53 2 12 0 0.00 M M 3.0 14 290 M M 3 18 17 290
6 58 47 53 2 12 0 0.00 M M 3.7 15 290 M M 7 12 19 290
7 65 50 58 7 7 0 0.00 M M 11.0 21 360 M M 4 12 29 10
8 65 50 58 7 7 0 0.00 M M 8.4 24 50 M M 2 37 70
9 71 45 58 7 7 0 0.00 M M 2.5 9 70 M M 0 13 80
10 65 49 57 6 8 0 0.00 M M 6.4 17 280 M M 2 22 280
11 66 48 57 6 8 0 0.00 M M 8.1 22 360 M M 1 1 28 340
12 64 50 57 6 8 0 0.00 M M 6.6 15 300 M M 0 1 20 10
13 61 46 54 3 11 0 0.00 M M 11.4 25 30 M M 3 1 29 50
14 62 42 52 1 13 0 0.00 M M 3.4 13 290 M M 4 15 300
15 57 42 50 -1 15 0 0.00 M M 1.8 6 150 M M 0 8 7 140
16 60 42 51 0 14 0 0.00 M M 3.8 9 290 M M 0 M M
17 56 42 49 -2 16 0 0.00 M M 7.5 18 280 M M 3 18 23 300
18 55 47 51 0 14 0 0.00 M M 4.7 14 300 M M 4 18 17 290
19 54 42 48 -3 17 0 0.00 M M 6.0 16 280 M M 5 1 20 280
20 61 43 52 1 13 0 0.00 M M 7.9 24 50 M M 2 1 29 50
21 60 40 50 -2 15 0 0.00 M M 2.3 8 20 M M 1 11 360
22 62 40 51 -1 14 0 0.00 M M 2.3 10 290 M M 0 18 12 300
23 67 45 56 4 9 0 0.00 M M 4.2 10 130 M M 0 8 14 130
24 60 43 52 0 13 0 0.00 M M 6.3 18 280 M M 4 18 23 290
25 58 48 53 1 12 0 0.01 M M 7.1 30 360 M M 7 18 36 360
26 57 47 52 0 13 0 0.00 M M 11.0 25 40 M M 5 32 40
27 60 39 50 -2 15 0 0.00 M M 4.5 17 280 M M 0 22 280
28 58 41 50 -2 15 0 0.00 M M 7.7 20 270 M M 3 24 270
29 55 46 51 -1 14 0 0.00 M M 6.5 14 280 M M 7 18 270
30 53 48 51 -1 14 0 0.00 M M 4.2 12 300 M M 7 14 300
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SM 1800 1353 366 0 0.13 M 170.2 M 95
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AV 60.0 45.1 5.7 FASTST M M 3 MAX(MPH)
MISC ----> 30 360 37 70
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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: SAN FRANCISCO AIRPORT
MONTH: JANUARY
YEAR: 2025
LATITUDE: 37 37 N
LONGITUDE: 122 23 W
[TEMPERATURE DATA] [PRECIPITATION DATA] SYMBOLS USED IN COLUMN 16
AVERAGE MONTHLY: 52.6 TOTAL FOR MONTH: 0.13 1 = FOG OR MIST
DPTR FM NORMAL: 1.2 DPTR FM NORMAL: -3.64 2 = FOG REDUCING VISIBILITY
HIGHEST: 71 ON 9 GRTST 24HR 0.12 ON 3- 3 TO 1/4 MILE OR LESS
LOWEST: 39 ON 27 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: 2
MAX 90 OR ABOVE: 0 0.10 INCH OR MORE: 1
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. 366 CLEAR (SCALE 0-3) 13
DPTR FM NORMAL -46 PTCLDY (SCALE 4-7) 17
TOTAL FM JUL 1 1217 CLOUDY (SCALE 8-10) 0
DPTR FM NORMAL -125
[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 0 LOWEST SLP 29.73 ON 25
[REMARKS]