


WFO Monthly/Daily Climate Data
Issued by NWS
Issued by NWS
Versions:
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
065 CXUS56 KMTR 180900 CF6CCR PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6) STATION: CONCORD AIRPORT MONTH: APRIL 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 62 47 55 -3 10 0 T M M 13.3 25 260 M M 6 38 270 2 64 39 52 -6 13 0 0.00 M M 7.0 15 270 M M 0 20 250 3 67 44 56 -2 9 0 0.00 M M 6.6 16 260 M M 1 22 330 4 73 42 58 0 7 0 0.00 M M 6.4 18 290 M M 0 8 29 320 5 77 47 62 3 3 0 0.00 M M 3.8 13 320 M M 0 16 300 6 75 45 60 1 5 0 0.00 M M 5.0 17 310 M M 0 22 260 7 69 53 61 2 4 0 T M M 7.8 15 280 M M 6 19 290 8 72 47 60 1 5 0 0.00 M M 5.0 14 300 M M 1 20 300 9 81 48 65 6 0 0 0.00 M M 3.9 13 300 M M 0 17 310 10 76 50 63 4 2 0 0.00 M M 6.6 18 300 M M 0 25 300 11 78 53 66 7 0 1 0.00 M M 11.2 20 200 M M 0 27 190 12 73 49 61 1 4 0 0.00 M M 9.9 20 210 M M 0 26 200 13 83 47 65 5 0 0 0.00 M M 4.3 17 290 M M 0 22 290 14 84 50 67 7 0 2 0.00 M M 4.3 15 320 M M 0 23 330 15 65 53 59 -1 6 0 0.00 M M 11.6 21 250 M M 5 29 220 16 65 54 60 0 5 0 0.00 M M 13.1 24 230 M M 6 35 250 17 68 52 60 0 5 0 T M M 6.7 15 220 M M 6 18 22 240 ================================================================================ SM 1232 820 78 3 T M 126.5 M 31 ================================================================================ AV 72.5 48.2 7.4 FASTST M M 2 MAX(MPH) MISC ----> 25 260 38 270 ================================================================================ 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: APRIL YEAR: 2025 LATITUDE: 37 58 N LONGITUDE: 122 3 W [TEMPERATURE DATA] [PRECIPITATION DATA] SYMBOLS USED IN COLUMN 16 AVERAGE MONTHLY: 60.4 TOTAL FOR MONTH: T 1 = FOG OR MIST DPTR FM NORMAL: 1.2 DPTR FM NORMAL: -0.79 2 = FOG REDUCING VISIBILITY HIGHEST: 84 ON 14 GRTST 24HR 0.01 ON 31- 1 TO 1/4 MILE OR LESS LOWEST: 39 ON 2 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: 0 MAX 90 OR ABOVE: 0 0.10 INCH OR MORE: 0 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. 78 CLEAR (SCALE 0-3) 12 DPTR FM NORMAL -26 PTCLDY (SCALE 4-7) 5 TOTAL FM JUL 1 1918 CLOUDY (SCALE 8-10) 0 DPTR FM NORMAL -103 [CDD (BASE 65) ] TOTAL THIS MO. 3 DPTR FM NORMAL 3 [PRESSURE DATA] TOTAL FM JAN 1 7 HIGHEST SLP M ON M DPTR FM NORMAL 5 LOWEST SLP 29.80 ON 2 [REMARKS]