WFO Monthly/Daily Climate Data Issued by NWS Sterling, VA
000
CXUS51 KLWX 010815
CF6IAD
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6)
STATION: WASHINGTON DULLES DC
MONTH: JULY
YEAR: 2023
LATITUDE: 38 57 N
LONGITUDE: 77 27 W
TEMPERATURE IN F: :PCPN: SNOW: WIND :SUNSHINE: SKY :PK WND
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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
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1 88 70 79 3 0 14 0.22 0.0 0 4.6 22 180 M M 8 138 32 180
2 93 72 83 7 0 18 T 0.0 0 6.0 16 220 M M 8 1 23 210
3 93 70 82 5 0 17 0.77 0.0 0 4.8 24 300 M M 8 13 32 300
4 92 69 81 4 0 16 T 0.0 0 5.8 17 300 M M 6 18 23 300
5 91 69 80 3 0 15 T 0.0 0 3.5 15 100 M M 6 138 18 100
6 90 71 81 4 0 16 0.05 0.0 0 2.9 22 70 M M 5 3 30 90
7 94 71 83 6 0 18 0.08 0.0 0 2.8 16 70 M M 7 13 24 70
8 94 74 84 7 0 19 T 0.0 0 4.6 23 150 M M 8 3 35 140
9 87 70 79 2 0 14 0.71 0.0 0 5.5 26 300 M M 8 138 36 300
10 88 69 79 2 0 14 0.00 0.0 0 6.6 15 330 M M 6 21 320
11 91 65 78 1 0 13 0.00 0.0 0 3.8 12 300 M M 3 18 290
12 93 65 79 2 0 14 0.00 0.0 0 3.1 13 230 M M 3 19 230
13 96 72 84 7 0 19 T 0.0 0 9.5 17 210 M M 5 25 200
14 93 69 81 4 0 16 0.67 0.0 0 3.6 38 20 M M 6 38 59 20
15 91 69 80 2 0 15 0.80 0.0 0 5.2 23 180 M M 6 13 38 180
16 92 71 82 4 0 17 0.14 0.0 0 3.7 13 290 M M 7 1 19 20
17 90 68 79 1 0 14 0.00 0.0 0 3.8 14 300 M M 2 8 20 200
18 89 66 78 0 0 13 0.00 0.0 0 4.3 14 290 M M 4 8 19 290
19 90 70 80 2 0 15 0.96 0.0 0 3.1 16 250 M M 6 13 26 260
20 90 68 79 1 0 14 0.00 0.0 0 4.7 13 150 M M 3 16 160
21 88 67 78 0 0 13 0.24 0.0 0 7.6 33 320 M M 6 13 45 320
22 86 66 76 -2 0 11 0.00 0.0 0 5.0 12 330 M M 5 16 300
23 89 61 75 -2 0 10 0.00 0.0 0 3.8 13 170 M M 3 23 150
24 87 73 80 3 0 15 0.00 0.0 0 7.2 14 200 M M 6 22 140
25 93 69 81 4 0 16 T 0.0 M 3.4 13 210 M M 7 138 19 220
26 92 65 79 2 0 14 0.00 0.0 M 4.4 13 170 M M 1 1 20 180
27 98 72 85 8 0 20 0.07 0.0 M 7.8 30 320 M M 5 3 40 320
28 98 72 85 8 0 20 0.04 0.0 0 3.2 17 360 M M 5 138 31 220
29 98 72 85 8 0 20 0.25 0.0 0 8.3 30 220 M M 6 3 43 290
30 88 70 79 2 0 14 0.00 0.0 0 6.9 14 330 M M 3 20 10
31 85 63 74 -3 0 9 0.09 0.0 0 6.8 16 340 M M 5 24 320
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SM 2827 2138 0 473 5.09 0.0 156.3 M 167
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AV 91.2 69.0 5.0 FASTST M M 5 MAX(MPH)
MISC ----> 38 20 59 20
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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: 2023
LATITUDE: 38 57 N
LONGITUDE: 77 27 W
[TEMPERATURE DATA] [PRECIPITATION DATA] SYMBOLS USED IN COLUMN 16
AVERAGE MONTHLY: 80.1 TOTAL FOR MONTH: 5.09 1 = FOG OR MIST
DPTR FM NORMAL: 2.9 DPTR FM NORMAL: 0.94 2 = FOG REDUCING VISIBILITY
HIGHEST: 98 ON 29,28 GRTST 24HR 0.96 ON 19-19 TO 1/4 MILE OR LESS
LOWEST: 61 ON 23 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: 14
MAX 90 OR ABOVE: 21 0.10 INCH OR MORE: 9
MIN 32 OR BELOW: 0 0.50 INCH OR MORE: 5
MIN 0 OR BELOW: 0 1.00 INCH OR MORE: 0
[HDD (BASE 65) ]
TOTAL THIS MO. 0 CLEAR (SCALE 0-3) 5
DPTR FM NORMAL 0 PTCLDY (SCALE 4-7) 25
TOTAL FM JUL 1 0 CLOUDY (SCALE 8-10) 1
DPTR FM NORMAL 0
[CDD (BASE 65) ]
TOTAL THIS MO. 473
DPTR FM NORMAL 95 [PRESSURE DATA]
TOTAL FM JAN 1 729 HIGHEST SLP 30.15 ON 26
DPTR FM NORMAL 7 LOWEST SLP 29.72 ON 29
[REMARKS]
#FINAL-07-23#