WFO Monthly/Daily Climate Data
Issued by NWS Sterling, VA
Issued by NWS Sterling, VA
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CXUS51 KLWX 230815
CF6IAD
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6)
STATION: WASHINGTON DULLES DC
MONTH: OCTOBER
YEAR: 2026
LATITUDE: 38 57 N
LONGITUDE: 77 27 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 86 61 74 12 0 9 0.00 0.0 0 4.7 10 200 M M 5 14 190
2 89 60 75 13 0 10 0.24 0.0 0 6.1 17 330 M M 7 1 26 310
3 68 57 63 1 2 0 0.09 0.0 0 4.6 18 20 M M 9 1 28 20
4 64 60 62 1 3 0 0.07 0.0 M 3.8 9 70 M M 10 1 15 70
5 74 56 65 4 0 0 0.00 0.0 M 6.8 18 290 M M 6 12 28 280
6 65 44 55 -5 10 0 0.00 0.0 M 3.1 10 340 M M 0 8 14 340
7 73 42 58 -2 7 0 0.00 0.0 M 6.1 16 190 M M 0 22 190
8 79 51 65 5 0 0 0.00 0.0 0 6.5 21 290 M M 1 27 300
9 76 45 61 2 4 0 0.00 0.0 0 2.3 14 330 M M 8 23 290
10 70 49 60 1 5 0 T 0.0 0 5.4 14 80 M M 8 19 90
11 63 60 62 4 3 0 1.91 0.0 0 9.6 16 350 M M 10 1 24 350
12 76 57 67 9 0 2 0.96 0.0 0 9.5 22 350 M M 7 1 31 350
13 84 52 68 10 0 3 0.00 0.0 0 5.8 13 200 M M 1 20 200
14 89 63 76 19 0 11 T 0.0 0 6.6 14 350 M M 4 19 190
15 77 59 68 11 0 3 0.14 0.0 0 6.4 15 360 M M 10 1 22 360
16 82 60 71 15 0 6 0.17 0.0 0 9.3 29 320 M M 8 138 41 320
17 61 44 53 -3 12 0 0.03 0.0 0 12.3 23 340 M M 6 38 350
18 62 37 50 -6 15 0 0.00 0.0 0 3.9 13 10 M M 0 17 20
19 68 36 52 -3 13 0 0.00 0.0 0 5.9 14 360 M M 0 8 20 360
20 71 42 57 2 8 0 0.00 0.0 0 7.3 15 10 M M 0 8 24 350
21 67 42 55 0 10 0 0.00 0.0 0 6.2 16 350 M M 1 8 23 10
22 68 36 52 -2 13 0 0.00 0.0 0 5.7 16 350 M M 0 1 23 330
================================================================================
SM 1612 1113 105 44 3.61 0.0 137.9 M 101
================================================================================
AV 73.3 50.6 6.3 FASTST M M 5 MAX(MPH)
MISC ----> 29 320 41 320
================================================================================
NOTES:
# LAST OF SEVERAL OCCURRENCES
COLUMN 17 PEAK WIND IN M.P.H.
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6) , PAGE 2
STATION: WASHINGTON DULLES DC
MONTH: OCTOBER
YEAR: 2026
LATITUDE: 38 57 N
LONGITUDE: 77 27 W
[TEMPERATURE DATA] [PRECIPITATION DATA] SYMBOLS USED IN COLUMN 16
AVERAGE MONTHLY: 61.9 TOTAL FOR MONTH: 3.61 1 = FOG OR MIST
DPTR FM NORMAL: 3.7 DPTR FM NORMAL: 0.97 2 = FOG REDUCING VISIBILITY
HIGHEST: 89 ON 14, 2 GRTST 24HR 2.60 ON 11-12 TO 1/4 MILE OR LESS
LOWEST: 36 ON 22,19 3 = THUNDER
SNOW, ICE PELLETS, HAIL 4 = ICE PELLETS
TOTAL MONTH: 0.0 INCH 5 = HAIL
GRTST 24HR 0.0 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: 8
MAX 90 OR ABOVE: 0 0.10 INCH OR MORE: 5
MIN 32 OR BELOW: 0 0.50 INCH OR MORE: 2
MIN 0 OR BELOW: 0 1.00 INCH OR MORE: 1
[HDD (BASE 65) ]
TOTAL THIS MO. 105 CLEAR (SCALE 0-3) 9
DPTR FM NORMAL -64 PTCLDY (SCALE 4-7) 8
TOTAL FM JUL 1 126 CLOUDY (SCALE 8-10) 5
DPTR FM NORMAL -89
[CDD (BASE 65) ]
TOTAL THIS MO. 44
DPTR FM NORMAL 25 [PRESSURE DATA]
TOTAL FM JAN 1 1548 HIGHEST SLP M ON M
DPTR FM NORMAL 321 LOWEST SLP 29.70 ON 16
[REMARKS]