WFO Monthly/Daily Climate Data
Issued by NWS Sterling, VA
Issued by NWS Sterling, VA
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000
CXUS51 KLWX 010815
CF6IAD
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6)
STATION: WASHINGTON DULLES DC
MONTH: SEPTEMBER
YEAR: 2023
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 83 56 70 -3 0 5 0.00 0.0 0 4.8 10 140 M M 1 16 70
2 90 54 72 -1 0 7 0.00 0.0 0 6.0 14 140 M M 2 20 160
3 99 64 82 9 0 17 0.00 0.0 0 5.9 17 300 M M 4 25 330
4 99 70 85 12 0 20 0.00 0.0 0 6.4 17 320 M M 4 25 330
5 99 74 87 15 0 22 0.00 0.0 0 6.9 15 20 M M 4 20 340
6 100 69 85 13 0 20 0.00 0.0 0 3.5 10 320 M M 2 8 14 320
7 97 71 84 12 0 19 0.04 T 0 4.0 22 320 M M 5 1358 30 320
8 94 67 81 9 0 16 0.39 T 0 5.8 37 300 M M 7 358 49 290
9 90 68 79 8 0 14 0.81 0.0 0 3.6 24 110 M M 8 138 33 120
10 84 67 76 5 0 11 T 0.0 0 2.7 8 40 M M 8 18 13 150
11 88 69 79 9 0 14 1.45 0.0 0 5.9 14 320 M M 7 13 18 310
12 91 65 78 8 0 13 0.81 0.0 M 4.2 20 290 M M 7 13 28 310
13 84 69 77 7 0 12 0.00 0.0 0 6.0 14 310 M M 8 20 320
14 80 62 71 2 0 6 0.00 0.0 0 9.4 17 360 M M 2 24 360
15 78 54 66 -3 0 1 0.00 0.0 0 9.9 20 350 M M 0 28 350
16 84 49 67 -2 0 2 0.00 0.0 0 4.1 14 290 M M 1 21 310
17 74 54 64 -4 1 0 0.11 0.0 0 4.1 23 200 M M 7 1 35 200
18 79 61 70 2 0 5 0.00 0.0 0 10.3 21 310 M M 6 27 310
19 77 54 66 -2 0 1 0.00 0.0 0 7.7 17 290 M M 2 21 290
20 80 49 65 -2 0 0 0.00 0.0 0 1.8 10 340 M M 3 13 340
21 81 54 68 1 0 3 0.00 0.0 0 4.4 10 350 M M 4 15 340
22 74 57 66 0 0 1 0.07 0.0 0 10.2 17 30 M M 7 24 60
23 62 57 60 -6 5 0 1.51 0.0 0 15.1 23 30 M M 10 1 33 20
24 71 61 66 1 0 1 1.29 0.0 0 6.8 16 30 M M 10 1 23 30
25 71 60 66 1 0 1 0.02 0.0 0 8.1 17 60 M M 9 1 22 50
26 61 58 60 -5 5 0 0.11 0.0 0 7.4 13 30 M M 10 1 18 10
27 72 54 63 -1 2 0 0.00 0.0 0 6.3 12 100 M M 6 17 100
28 72 51 62 -2 3 0 0.03 0.0 0 5.1 12 70 M M 7 1 17 70
29 69 61 65 2 0 0 0.01 0.0 0 8.4 13 30 M M 10 18 18 360
30 80 59 70 7 0 5 0.00 0.0 0 6.5 15 40 M M 8 21 30
================================================================================
SM 2463 1818 16 216 6.65 T 191.3 M 169
================================================================================
AV 82.1 60.6 6.4 FASTST M M 6 MAX(MPH)
MISC ----> 37 300 49 290
================================================================================
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: SEPTEMBER
YEAR: 2023
LATITUDE: 38 57 N
LONGITUDE: 77 27 W
[TEMPERATURE DATA] [PRECIPITATION DATA] SYMBOLS USED IN COLUMN 16
AVERAGE MONTHLY: 71.4 TOTAL FOR MONTH: 6.65 1 = FOG OR MIST
DPTR FM NORMAL: 2.8 DPTR FM NORMAL: 2.71 2 = FOG REDUCING VISIBILITY
HIGHEST: 100 ON 6 GRTST 24HR 2.25 ON 23-24 TO 1/4 MILE OR LESS
LOWEST: 49 ON 20,16 3 = THUNDER
SNOW, ICE PELLETS, HAIL 4 = ICE PELLETS
TOTAL MONTH: T 5 = HAIL
GRTST 24HR T ON 7- 7 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: 13
MAX 90 OR ABOVE: 9 0.10 INCH OR MORE: 8
MIN 32 OR BELOW: 0 0.50 INCH OR MORE: 5
MIN 0 OR BELOW: 0 1.00 INCH OR MORE: 3
[HDD (BASE 65) ]
TOTAL THIS MO. 16 CLEAR (SCALE 0-3) 8
DPTR FM NORMAL -29 PTCLDY (SCALE 4-7) 14
TOTAL FM JUL 1 16 CLOUDY (SCALE 8-10) 8
DPTR FM NORMAL -28
[CDD (BASE 65) ]
TOTAL THIS MO. 216
DPTR FM NORMAL 64 [PRESSURE DATA]
TOTAL FM JAN 1 1331 HIGHEST SLP 30.33 ON 27
DPTR FM NORMAL 123 LOWEST SLP 29.74 ON 7
[REMARKS]
#FINAL-09-23#