WFO Monthly/Daily Climate Data
Issued by NWS Sterling, VA
Issued by NWS Sterling, VA
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000
CXUS51 KLWX 020153
CF6IAD
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6)
STATION: WASHINGTON DULLES DC
MONTH: AUGUST
YEAR: 2021
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 79 65 72 -5 0 7 0.65 0.0 0 3.9 15 350 M M 8 13 21 350
2 82 57 70 -7 0 5 0.00 0.0 0 6.0 17 310 M M 2 1 24 330
3 80 59 70 -7 0 5 0.00 0.0 0 3.3 13 120 M M 7 17 100
4 82 61 72 -5 0 7 0.00 0.0 0 4.9 17 100 M M 5 24 100
5 88 57 73 -4 0 8 0.00 0.0 0 3.8 15 140 M M 2 20 140
6 90 65 78 1 0 13 0.00 0.0 0 7.1 15 190 M M 4 23 120
7 78 64 71 -6 0 6 T 0.0 0 3.5 13 90 M M 8 17 80
8 93 60 77 0 0 12 0.00 0.0 0 4.0 12 10 M M 2 1 20 20
9 94 68 81 4 0 16 0.00 0.0 0 5.2 17 200 M M 5 13 23 200
10 96 71 84 8 0 19 0.02 0.0 0 7.1 23 300 M M 5 3 32 210
11 99 70 85 9 0 20 0.05 0.0 0 4.0 26 290 M M 4 13 38 290
12 100 69 85 9 0 20 0.00 0.0 0 6.6 18 210 M M 3 24 220
13 99 73 86 10 0 21 0.02 0.0 0 4.1 18 330 M M 6 38 27 330
14 92 70 81 5 0 16 T 0.0 0 5.5 16 310 M M 8 3 22 340
15 82 70 76 0 0 11 0.85 0.0 0 5.7 16 40 M M 9 13 22 30
16 83 71 77 1 0 12 0.61 0.0 0 4.1 20 110 M M 9 13 30 100
17 86 70 78 2 0 13 0.56 0.0 0 4.5 22 210 M M 9 13 27 210
18 89 73 81 5 0 16 0.50 0.0 0 9.4 24 190 M M 7 13 32 180
19 91 72 82 6 0 17 0.03 0.0 0 5.2 14 200 M M 7 19 300
20 84 71 78 2 0 13 0.31 0.0 0 3.5 12 40 M M 9 1 16 90
21 89 69 79 4 0 14 0.00 0.0 0 3.4 10 110 M M 5 15 120
22 86 70 78 3 0 13 0.00 0.0 0 4.2 12 10 M M 6 16 10
23 94 69 82 7 0 17 T 0.0 0 6.6 17 300 M M 6 24 290
24 93 73 83 8 0 18 0.00 0.0 0 4.8 12 320 M M 2 16 310
25 94 69 82 7 0 17 0.67 0.0 0 3.9 21 290 M M 3 13 27 300
26 93 73 83 8 0 18 0.00 0.0 0 2.7 16 180 M M 6 3 23 190
27 93 71 82 8 0 17 0.62 0.0 0 3.5 30 200 M M 4 3 43 160
28 91 72 82 8 0 17 T 0.0 0 5.8 13 60 M M 6 3 17 100
29 82 72 77 3 0 12 0.01 0.0 0 3.7 9 70 M M 9 1 12 70
30 91 72 82 8 0 17 0.01 0.0 0 3.9 17 260 M M 5 138 27 260
31 84 70 77 3 0 12 0.02 0.0 0 2.0 8 300 M M 8 1 12 320
================================================================================
SM 2757 2116 0 429 4.93 0.0 145.9 M 179
================================================================================
AV 88.9 68.3 4.7 FASTST M M 6 MAX(MPH)
MISC ----> 30 200 43 160
================================================================================
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: AUGUST
YEAR: 2021
LATITUDE: 38 57 N
LONGITUDE: 77 27 W
[TEMPERATURE DATA] [PRECIPITATION DATA] SYMBOLS USED IN COLUMN 16
AVERAGE MONTHLY: 78.6 TOTAL FOR MONTH: 4.93 1 = FOG OR MIST
DPTR FM NORMAL: 2.9 DPTR FM NORMAL: 1.40 2 = FOG REDUCING VISIBILITY
HIGHEST: 100 ON 12 GRTST 24HR 0.87 ON 16-17 TO 1/4 MILE OR LESS
LOWEST: 57 ON 5, 2 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: 15
MAX 90 OR ABOVE: 16 0.10 INCH OR MORE: 8
MIN 32 OR BELOW: 0 0.50 INCH OR MORE: 7
MIN 0 OR BELOW: 0 1.00 INCH OR MORE: 0
[HDD (BASE 65) ]
TOTAL THIS MO. 0 CLEAR (SCALE 0-3) 4
DPTR FM NORMAL -1 PTCLDY (SCALE 4-7) 22
TOTAL FM JUL 1 0 CLOUDY (SCALE 8-10) 5
DPTR FM NORMAL 0
[CDD (BASE 65) ]
TOTAL THIS MO. 429
DPTR FM NORMAL 95 [PRESSURE DATA]
TOTAL FM JAN 1 1252 HIGHEST SLP 30.22 ON 28
DPTR FM NORMAL 196 LOWEST SLP 29.77 ON 31
[REMARKS]
#FINAL-08-21#