WFO Monthly/Daily Climate Data
Issued by NWS
Issued by NWS
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CXUS56 KMTR 271000
CF6SFD
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6)
STATION: SAN FRANCISCO DWTN CA
MONTH: DECEMBER
YEAR: 2025
LATITUDE: 37 46 N
LONGITUDE: 122 26 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 54 45 50 -4 15 0 0.00 M 0 M M M M M M M M
2 62 48 55 1 10 0 0.00 M 0 M M M M M M M M
3 64 47 56 2 9 0 0.00 M 0 M M M M M M M M
4 57 46 52 -2 13 0 0.00 M 0 M M M M M M M M
5 52 45 49 -5 16 0 0.00 M 0 M M M M M M M M
6 51 44 48 -5 17 0 0.00 M 0 M M M M M M M M
7 51 44 48 -5 17 0 0.00 M 0 M M M M M M M M
8 52 45 49 -4 16 0 0.00 M 0 M M M M M M M M
9 51 44 48 -5 17 0 0.00 M 0 M M M M M M M M
10 51 45 48 -5 17 0 0.00 M 0 M M M M M M M M
11 52 44 48 -5 17 0 0.00 M 0 M M M M M M M M
12 52 44 48 -5 17 0 0.00 M 0 M M M M M M M M
13 52 41 47 -5 18 0 0.00 M 0 M M M M M M M M
14 49 42 46 -6 19 0 0.00 M 0 M M M M M M M M
15 54 42 48 -4 17 0 0.00 M 0 M M M M M M M M
16 58 46 52 0 13 0 0.00 M 0 M M M M M M M M
17 61 51 56 4 9 0 0.23 M 0 M M M M M M M M
18 58 48 53 1 12 0 0.00 M 0 M M M M M M M M
19 63 53 58 6 7 0 0.39 M 0 M M M M M M M M
20 62 57 60 8 5 0 0.14 M 0 M M M M M M M M
21 63 58 61 9 4 0 0.25 M 0 M M M M M M M M
22 61 56 59 7 6 0 1.82 M 0 M M M M M M M M
23 62 56 59 7 6 0 0.19 M 0 M M M M M M M M
24 62 55 59 7 6 0 0.73 M 0 M M M M M M M M
25 61 51 56 4 9 0 0.68 M 0 M M M M M M M M
26 59 50 55 3 10 0 0.43 M 0 M M M M M M M M
================================================================================
SM 1474 1247 322 0 4.86 M M M M
================================================================================
AV 56.7 48.0 M FASTST M M M MAX(MPH)
MISC ----> M M M M
================================================================================
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 DWTN CA
MONTH: DECEMBER
YEAR: 2025
LATITUDE: 37 46 N
LONGITUDE: 122 26 W
[TEMPERATURE DATA] [PRECIPITATION DATA] SYMBOLS USED IN COLUMN 16
AVERAGE MONTHLY: 52.3 TOTAL FOR MONTH: 4.86 1 = FOG OR MIST
DPTR FM NORMAL: -0.3 DPTR FM NORMAL: 0.85 2 = FOG REDUCING VISIBILITY
HIGHEST: 64 ON 3 GRTST 24HR 1.82 ON 22-22 TO 1/4 MILE OR LESS
LOWEST: 41 ON 13 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: 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: 9
MAX 90 OR ABOVE: 0 0.10 INCH OR MORE: 9
MIN 32 OR BELOW: 0 0.50 INCH OR MORE: 3
MIN 0 OR BELOW: 0 1.00 INCH OR MORE: 1
[HDD (BASE 65) ]
TOTAL THIS MO. 322 CLEAR (SCALE 0-3) 0
DPTR FM NORMAL 1 PTCLDY (SCALE 4-7) 0
TOTAL FM JUL 1 894 CLOUDY (SCALE 8-10) 26
DPTR FM NORMAL -155
[CDD (BASE 65) ]
TOTAL THIS MO. 0
DPTR FM NORMAL 0 [PRESSURE DATA]
TOTAL FM JAN 1 76 HIGHEST SLP M ON M
DPTR FM NORMAL -45 LOWEST SLP 9999.00 ON 1
[REMARKS]