WFO Monthly/Daily Climate Data
Issued by NWS Sterling, VA
Issued by NWS Sterling, VA
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991
CXUS51 KLWX 030815
CF6IAD
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6)
STATION: WASHINGTON DULLES DC
MONTH: JULY
YEAR: 2025
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 92 70 81 5 0 16 0.36 0.0 0 6.8 21 280 M M 8 13 32 290
2 88 70 79 3 0 14 0.03 0.0 0 4.1 10 300 M M 7 1 14 320
================================================================================
SM 180 140 0 30 0.39 0.0 10.9 M 15
================================================================================
AV 90.0 70.0 5.4 FASTST M M 8 MAX(MPH)
MISC ----> 21 280 32 290
================================================================================
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: JULY
YEAR: 2025
LATITUDE: 38 57 N
LONGITUDE: 77 27 W
[TEMPERATURE DATA] [PRECIPITATION DATA] SYMBOLS USED IN COLUMN 16
AVERAGE MONTHLY: 80.0 TOTAL FOR MONTH: 0.39 1 = FOG OR MIST
DPTR FM NORMAL: 4.0 DPTR FM NORMAL: 0.10 2 = FOG REDUCING VISIBILITY
HIGHEST: 92 ON 1 GRTST 24HR 0.39 ON 1- 2 TO 1/4 MILE OR LESS
LOWEST: 70 ON 2, 1 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: 2
MAX 90 OR ABOVE: 1 0.10 INCH OR MORE: 1
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. 0 CLEAR (SCALE 0-3) 0
DPTR FM NORMAL 0 PTCLDY (SCALE 4-7) 2
TOTAL FM JUL 1 0 CLOUDY (SCALE 8-10) 0
DPTR FM NORMAL 0
[CDD (BASE 65) ]
TOTAL THIS MO. 30
DPTR FM NORMAL 8 [PRESSURE DATA]
TOTAL FM JAN 1 469 HIGHEST SLP M ON M
DPTR FM NORMAL 103 LOWEST SLP 29.81 ON 1
[REMARKS]