


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
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
247 CXUS56 KEKA 171230 CF6ACV PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6) STATION: ARCATA CA MONTH: APRIL YEAR: 2025 LATITUDE: 40 58 N LONGITUDE: 124 6 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 53 45 49 -1 16 0 0.57 M M 10.9 23 330 M M 9 1 38 260 2 54 41 48 -2 17 0 0.02 M M 9.0 24 320 M M 6 32 310 3 56 37 47 -3 18 0 0.00 M M 8.4 21 320 M M 3 26 320 4 59 38 49 -1 16 0 0.00 M M 4.6 14 300 M M 0 1 18 300 5 65 45 55 5 10 0 0.00 M M 4.2 13 270 M M 1 17 300 6 61 46 54 4 11 0 0.78 M M 5.8 15 210 M M 7 18 18 130 7 56 46 51 1 14 0 0.23 M M 7.3 15 200 M M 9 1 22 260 8 60 44 52 2 13 0 0.00 M M 4.6 13 230 M M 5 18 170 9 59 41 50 0 15 0 0.00 M M 4.7 15 320 M M 0 18 21 310 10 65 43 54 4 11 0 0.02 M M 3.5 13 250 M M 6 12 17 240 11 57 49 53 3 12 0 T M M 11.4 20 340 M M 10 12 28 320 12 60 42 51 1 14 0 0.00 M M 10.0 22 350 M M 3 35 340 13 66 37 52 2 13 0 0.00 M M 5.1 17 320 M M 0 18 24 320 14 61 41 51 1 14 0 0.00 M M 3.2 8 300 M M 1 128 10 300 15 54 46 50 0 15 0 0.00 M M 6.2 13 170 M M 10 12 17 220 16 55 49 52 2 13 0 0.00 M M 6.5 18 310 M M 10 18 25 310 ================================================================================ SM 941 690 222 0 1.62 M 105.4 M 80 ================================================================================ AV 58.8 43.1 6.6 FASTST M M 5 MAX(MPH) MISC ----> 24 320 38 260 ================================================================================ NOTES: # LAST OF SEVERAL OCCURRENCES COLUMN 17 PEAK WIND IN M.P.H. PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6) , PAGE 2 STATION: ARCATA CA MONTH: APRIL YEAR: 2025 LATITUDE: 40 58 N LONGITUDE: 124 6 W [TEMPERATURE DATA] [PRECIPITATION DATA] SYMBOLS USED IN COLUMN 16 AVERAGE MONTHLY: 51.0 TOTAL FOR MONTH: 1.62 1 = FOG OR MIST DPTR FM NORMAL: 1.0 DPTR FM NORMAL: -0.98 2 = FOG REDUCING VISIBILITY HIGHEST: 66 ON 13 GRTST 24HR 0.99 ON 6- 7 TO 1/4 MILE OR LESS LOWEST: 37 ON 13, 3 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: 5 MAX 90 OR ABOVE: 0 0.10 INCH OR MORE: 3 MIN 32 OR BELOW: 0 0.50 INCH OR MORE: 2 MIN 0 OR BELOW: 0 1.00 INCH OR MORE: 0 [HDD (BASE 65) ] TOTAL THIS MO. 222 CLEAR (SCALE 0-3) 6 DPTR FM NORMAL -18 PTCLDY (SCALE 4-7) 5 TOTAL FM JUL 1 3632 CLOUDY (SCALE 8-10) 5 DPTR FM NORMAL -77 [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 29.83 ON 1 [REMARKS]