WFO Monthly/Daily Climate Data Issued by NWS Sterling, VA
000
CXUS51 KLWX 011434
CF6DCA
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6)
STATION: WASHINGTON NATIONAL DC
MONTH: SEPTEMBER
YEAR: 2021
LATITUDE: 38 50 N
LONGITUDE: 77 2 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 85 68 77 0 0 12 1.34 0.0 0 12.0 29 250 M M 10 138 41 240
2 80 63 72 -5 0 7 0.00 0.0 0 10.3 24 350 M M 2 29 340
3 80 59 70 -6 0 5 0.00 0.0 0 6.1 13 310 M M 2 8 18 320
4 80 62 71 -5 0 6 0.00 0.0 0 4.8 13 160 M M 5 18 160
5 78 69 74 -2 0 9 T 0.0 0 6.8 14 180 M M 9 8 17 170
6 87 70 79 3 0 14 0.01 0.0 0 6.4 20 330 M M 6 25 330
7 86 66 76 1 0 11 0.00 0.0 0 7.8 16 180 M M 3 22 190
8 87 68 78 3 0 13 T 0.0 0 11.0 18 340 M M 5 3 25 190
9 80 67 74 -1 0 9 0.25 0.0 0 6.2 15 320 M M 9 138 19 320
10 78 63 71 -3 0 6 0.00 0.0 0 9.6 21 320 M M 3 32 320
11 80 61 71 -3 0 6 0.00 0.0 0 6.6 16 200 M M 4 24 190
12 86 65 76 2 0 11 0.00 0.0 0 9.5 18 210 M M 2 26 240
13 90 71 81 7 0 16 0.00 0.0 0 6.0 15 270 M M 5 22 310
14 89 72 81 8 0 16 0.00 0.0 0 5.0 12 160 M M 7 8 14 160
15 90 73 82 9 0 17 0.00 0.0 0 10.1 20 200 M M 7 27 190
16 84 72 78 6 0 13 0.79 0.0 0 7.2 23 10 M M 10 13 30 360
17 82 71 77 5 0 12 0.01 0.0 0 7.4 14 60 M M 8 1 19 50
18 85 70 78 6 0 13 0.00 0.0 0 3.7 10 170 M M 6 1 13 190
19 83 69 76 5 0 11 0.00 0.0 0 6.9 16 40 M M 2 1 20 30
20 80 64 72 1 0 7 0.00 0.0 0 6.8 14 110 M M 6 19 100
21 82 65 74 3 0 9 T 0.0 0 7.5 15 130 M M 8 20 130
22 80 71 76 6 0 11 0.33 0.0 0 10.6 32 170 M M 10 13 41 180
23 77 61 69 -1 0 4 1.30 0.0 0 10.2 24 270 M M 9 138 36 260
24 75 55 65 -4 0 0 0.00 0.0 0 5.8 16 350 M M 1 22 330
25 77 57 67 -2 0 2 0.00 0.0 0 4.6 14 310 M M 4 21 310
26 77 58 68 -1 0 3 0.00 0.0 0 8.8 20 270 M M 2 29 260
27 80 57 69 1 0 4 0.00 0.0 0 8.2 17 210 M M 2 23 210
28 82 63 73 5 0 8 T 0.0 0 7.0 15 20 M M 5 21 260
29 74 58 66 -1 0 1 0.00 0.0 0 7.3 16 20 M M 4 22 330
30 76 54 65 -2 0 0 0.00 0.0 0 6.4 16 340 M M 2 22 330
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SM 2450 1942 0 256 4.03 0.0 226.6 M 158
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AV 81.7 64.7 7.6 FASTST M M 5 MAX(MPH)
MISC ----> 32 170 # 41 240
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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 NATIONAL DC
MONTH: SEPTEMBER
YEAR: 2021
LATITUDE: 38 50 N
LONGITUDE: 77 2 W
[TEMPERATURE DATA] [PRECIPITATION DATA] SYMBOLS USED IN COLUMN 16
AVERAGE MONTHLY: 73.2 TOTAL FOR MONTH: 4.03 1 = FOG OR MIST
DPTR FM NORMAL: 0.8 DPTR FM NORMAL: 0.10 2 = FOG REDUCING VISIBILITY
HIGHEST: 90 ON 15,13 GRTST 24HR 1.63 ON 22-23 TO 1/4 MILE OR LESS
LOWEST: 54 ON 30 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: 7
MAX 90 OR ABOVE: 2 0.10 INCH OR MORE: 5
MIN 32 OR BELOW: 0 0.50 INCH OR MORE: 3
MIN 0 OR BELOW: 0 1.00 INCH OR MORE: 2
[HDD (BASE 65) ]
TOTAL THIS MO. 0 CLEAR (SCALE 0-3) 10
DPTR FM NORMAL -16 PTCLDY (SCALE 4-7) 13
TOTAL FM JUL 1 0 CLOUDY (SCALE 8-10) 7
DPTR FM NORMAL -14
[CDD (BASE 65) ]
TOTAL THIS MO. 256
DPTR FM NORMAL 18 [PRESSURE DATA]
TOTAL FM JAN 1 1775 HIGHEST SLP 30.31 ON 20
DPTR FM NORMAL 85 LOWEST SLP 29.48 ON 1
[REMARKS]
#FINAL-09-21#