WFO Monthly/Daily Climate Data
Issued by NWS Sterling, VA
Issued by NWS Sterling, VA
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CXUS51 KLWX 090815
CF6IAD
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6)
STATION: WASHINGTON DULLES DC
MONTH: SEPTEMBER
YEAR: 2024
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 67 77 4 0 12 0.00 0.0 0 4.1 14 200 M M 8 12 19 220
2 78 58 68 -5 0 3 0.00 0.0 0 10.3 18 360 M M 4 32 340
3 75 53 64 -9 1 0 0.00 0.0 0 7.2 15 70 M M 3 22 40
4 77 51 64 -9 1 0 0.00 0.0 0 4.6 14 70 M M 5 28 60
5 78 52 65 -7 0 0 0.00 0.0 M 3.3 13 110 M M 3 17 120
6 80 57 69 -3 0 4 0.00 0.0 0 3.3 9 150 M M 5 15 140
7 76 57 67 -5 0 2 T 0.0 0 M M M M M 6 M M
8 74 46 60 -12 5 0 0.00 0.0 0 6.3 18 300 M M 2 25 290
================================================================================
SM 624 441 7 21 T 0.0 39.1 M 36
================================================================================
AV 78.0 55.1 5.6 FASTST M M 5 MAX(MPH)
MISC ----> # 18 360 32 340
================================================================================
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: SEPTEMBER
YEAR: 2024
LATITUDE: 38 57 N
LONGITUDE: 77 27 W
[TEMPERATURE DATA] [PRECIPITATION DATA] SYMBOLS USED IN COLUMN 16
AVERAGE MONTHLY: 66.6 TOTAL FOR MONTH: T 1 = FOG OR MIST
DPTR FM NORMAL: -5.9 DPTR FM NORMAL: -0.97 2 = FOG REDUCING VISIBILITY
HIGHEST: 86 ON 1 GRTST 24HR 0.14 ON 31- 1 TO 1/4 MILE OR LESS
LOWEST: 46 ON 8 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: 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. 7 CLEAR (SCALE 0-3) 3
DPTR FM NORMAL 7 PTCLDY (SCALE 4-7) 5
TOTAL FM JUL 1 9 CLOUDY (SCALE 8-10) 0
DPTR FM NORMAL 8
[CDD (BASE 65) ]
TOTAL THIS MO. 21
DPTR FM NORMAL -40 [PRESSURE DATA]
TOTAL FM JAN 1 1435 HIGHEST SLP M ON M
DPTR FM NORMAL 318 LOWEST SLP 29.84 ON 7
[REMARKS]