WFO Monthly/Daily Climate Data
Issued by NWS
Issued by NWS
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918
CXUS56 KMTR 281000
CF6CCR
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6)
STATION: CONCORD AIRPORT
MONTH: DECEMBER
YEAR: 2025
LATITUDE: 37 58 N
LONGITUDE: 122 3 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 51 41 46 -5 19 0 0.00 M M 4.8 12 80 M M 6 18 19 80
2 59 39 49 -2 16 0 0.00 M M 2.8 9 30 M M 4 18 15 40
3 65 40 53 2 12 0 0.00 M M 3.9 16 30 M M 2 18 27 20
4 53 38 46 -5 19 0 0.00 M M 4.2 10 60 M M 5 128 14 30
5 48 38 43 -7 22 0 0.00 M M 4.1 12 350 M M 8 128 14 360
6 46 42 44 -6 21 0 0.00 M M 4.6 9 20 M M 10 1 14 60
7 48 42 45 -5 20 0 0.00 M M 5.2 9 70 M M 10 18 14 60
8 51 43 47 -3 18 0 0.00 M M 5.8 15 360 M M 8 18 19 360
9 48 43 46 -4 19 0 0.00 M M 6.3 12 30 M M 10 18 17 40
10 49 43 46 -4 19 0 0.00 M M 6.8 13 360 M M 10 18 19 30
11 49 42 46 -4 19 0 T M M 7.4 14 10 M M 9 18 19 10
12 46 40 43 -7 22 0 0.00 M M 6.5 13 20 M M 9 18 20 30
13 47 38 43 -6 22 0 0.00 M M 4.6 12 30 M M 9 18 17 60
14 42 39 41 -8 24 0 0.00 M M 1.8 7 50 M M 9 12 10 10
15 48 39 44 -5 21 0 0.00 M M 4.2 10 360 M M 9 18 17 350
16 55 42 49 0 16 0 T M M 4.3 13 330 M M 6 18 16 30
17 67 49 58 9 7 0 0.02 M M 5.4 16 190 M M 8 18 21 220
18 61 52 57 8 8 0 0.00 M M 1.3 9 320 M M 9 18 11 180
19 65 51 58 9 7 0 T M M 7.8 22 220 M M 10 1 29 220
20 60 53 57 8 8 0 T M M 2.5 9 310 M M 10 1 12 200
21 63 55 59 10 6 0 T M M 11.9 22 180 M M 10 18 29 180
22 66 57 62 13 3 0 0.34 M M 5.9 18 180 M M 9 1 26 330
23 65 52 59 10 6 0 T M M 4.4 25 160 M M 8 12 42 170
24 66 55 61 12 4 0 0.40 M M 9.2 25 170 M M 9 1 38 170
25 63 53 58 9 7 0 0.66 M M 13.1 35 150 M M 8 1 53 180
26 60 50 55 6 10 0 T M M 12.1 20 220 M M 5 43 200
27 61 41 51 2 14 0 0.00 M M 3.5 9 60 M M 6 1 M M
================================================================================
SM 1502 1217 389 0 1.42 M 154.3 M 216
================================================================================
AV 55.6 45.1 5.7 FASTST M M 8 MAX(MPH)
MISC ----> 35 150 53 180
================================================================================
NOTES:
# LAST OF SEVERAL OCCURRENCES
COLUMN 17 PEAK WIND IN M.P.H.
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6) , PAGE 2
STATION: CONCORD AIRPORT
MONTH: DECEMBER
YEAR: 2025
LATITUDE: 37 58 N
LONGITUDE: 122 3 W
[TEMPERATURE DATA] [PRECIPITATION DATA] SYMBOLS USED IN COLUMN 16
AVERAGE MONTHLY: 50.4 TOTAL FOR MONTH: 1.42 1 = FOG OR MIST
DPTR FM NORMAL: 0.8 DPTR FM NORMAL: -1.35 2 = FOG REDUCING VISIBILITY
HIGHEST: 67 ON 17 GRTST 24HR 0.76 ON 24-25 TO 1/4 MILE OR LESS
LOWEST: 38 ON 13, 5 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: 4
MAX 90 OR ABOVE: 0 0.10 INCH OR MORE: 3
MIN 32 OR BELOW: 0 0.50 INCH OR MORE: 1
MIN 0 OR BELOW: 0 1.00 INCH OR MORE: 0
[HDD (BASE 65) ]
TOTAL THIS MO. 389 CLEAR (SCALE 0-3) 1
DPTR FM NORMAL -28 PTCLDY (SCALE 4-7) 10
TOTAL FM JUL 1 686 CLOUDY (SCALE 8-10) 16
DPTR FM NORMAL -84
[CDD (BASE 65) ]
TOTAL THIS MO. 0
DPTR FM NORMAL 0 [PRESSURE DATA]
TOTAL FM JAN 1 1035 HIGHEST SLP M ON M
DPTR FM NORMAL -42 LOWEST SLP 29.44 ON 24
[REMARKS]