WFO Monthly/Daily Climate Data
Issued by NWS
Issued by NWS
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CXUS56 KSTO 311301
CF6RBL
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6)
STATION: RED BLUFF
MONTH: MAY
YEAR: 2026
LATITUDE: 40 8 N
LONGITUDE: 122-15 E
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 83 54 69 5 0 4 0.00 M M 3.9 9 130 M M 0 12 130
2 81 59 70 6 0 5 0.00 M M 4.9 15 180 M M 0 20 170
3 70 55 63 -1 2 0 0.04 M M 8.0 23 70 M M 2 30 80
4 63 53 58 -7 7 0 0.12 M M 9.3 22 150 M M 9 1 28 150
5 67 53 60 -5 5 0 T M M 4.7 12 180 M M 10 1 14 150
6 77 59 68 3 0 3 0.00 M M 2.8 9 160 M M 5 14 120
7 81 55 68 2 0 3 0.00 M M 3.9 12 150 M M 3 15 150
8 87 62 75 9 0 10 0.00 M M 3.0 9 330 M M 2 14 320
9 95 57 76 10 0 11 0.00 M M 5.8 14 10 M M 0 21 340
10 89 59 74 8 0 9 0.00 M M 4.7 12 150 M M 0 14 160
11 94 63 79 12 0 14 0.00 M M 4.6 10 150 M M 0 16 170
12 92 61 77 10 0 12 T M M 8.0 22 160 M M 0 28 140
13 85 56 71 4 0 6 0.00 M M 4.1 14 280 M M 0 8 20 280
14 92 55 74 6 0 9 0.00 M M 7.4 18 360 M M 0 8 27 310
15 88 62 75 7 0 10 0.00 M M 12.8 22 290 M M 0 36 280
16 79 59 69 1 0 4 0.00 M M 16.2 26 340 M M 0 40 340
17 76 57 67 -1 0 2 0.00 M M 18.4 35 10 M M 0 49 360
18 85 56 71 2 0 6 0.00 M M 10.2 18 350 M M 0 27 350
19 88 50 69 0 0 4 0.00 M M 6.4 16 360 M M 0 23 350
20 92 55 74 5 0 9 0.00 M M 5.8 14 10 M M 0 19 340
21 94 59 77 7 0 12 0.00 M M 6.0 14 170 M M 0 21 130
22 93 61 77 7 0 12 0.00 M M 7.4 18 170 M M 0 24 160
23 86 58 72 2 0 7 0.00 M M 6.7 15 170 M M 0 22 180
24 89 59 74 4 0 9 0.00 M M 6.5 15 160 M M 0 20 160
25 80 58 69 -2 0 4 0.00 M M 13.4 31 140 M M 1 46 140
26 74 52 63 -8 2 0 T M M 7.3 22 10 M M 4 31 20
27 69 46 58 -13 7 0 0.23 M M 4.4 15 100 M M 5 1 20 90
28 76 56 66 -5 0 1 0.17 M M 7.5 22 160 M M 6 1 27 150
29 69 56 63 -9 2 0 0.08 M M 7.2 16 130 M M 10 1 23 140
30 81 60 71 -1 0 6 0.00 M M 4.0 12 140 M M 4 17 170
================================================================================
SM 2475 1705 25 172 0.64 M 215.3 M 61
================================================================================
AV 82.5 56.8 7.2 FASTST M M 2 MAX(MPH)
MISC ----> 35 10 49 360
================================================================================
NOTES:
# LAST OF SEVERAL OCCURRENCES
COLUMN 17 PEAK WIND IN M.P.H.
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6) , PAGE 2
STATION: RED BLUFF
MONTH: MAY
YEAR: 2026
LATITUDE: 40 8 N
LONGITUDE: 122-15 E
[TEMPERATURE DATA] [PRECIPITATION DATA] SYMBOLS USED IN COLUMN 16
AVERAGE MONTHLY: 69.7 TOTAL FOR MONTH: 0.64 1 = FOG OR MIST
DPTR FM NORMAL: 1.7 DPTR FM NORMAL: -0.58 2 = FOG REDUCING VISIBILITY
HIGHEST: 95 ON 9 GRTST 24HR 0.32 ON 27-28 TO 1/4 MILE OR LESS
LOWEST: 46 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: 5
MAX 90 OR ABOVE: 7 0.10 INCH OR MORE: 3
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. 25 CLEAR (SCALE 0-3) 22
DPTR FM NORMAL -30 PTCLDY (SCALE 4-7) 5
TOTAL FM JUL 1 2025 CLOUDY (SCALE 8-10) 3
DPTR FM NORMAL -490
[CDD (BASE 65) ]
TOTAL THIS MO. 172
DPTR FM NORMAL 26 [PRESSURE DATA]
TOTAL FM JAN 1 225 HIGHEST SLP M ON M
DPTR FM NORMAL 51 LOWEST SLP 29.66 ON 22
[REMARKS]