WFO Monthly/Daily Climate Data
Issued by NWS Sterling, VA
Issued by NWS Sterling, VA
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CXUS51 KLWX 012354
CF6IAD
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6)
STATION: WASHINGTON DULLES DC
MONTH: OCTOBER
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 73 48 61 -1 4 0 0.00 0.0 0 2.7 9 300 M M 1 13 300
2 80 47 64 2 1 0 0.00 0.0 0 1.7 10 190 M M 4 1 14 220
3 85 55 70 8 0 5 0.00 0.0 0 3.9 12 190 M M 5 1 15 180
4 84 67 76 15 0 11 T 0.0 0 4.1 10 190 M M 7 3 14 290
5 81 61 71 10 0 6 0.00 0.0 0 5.3 16 70 M M 6 1 23 70
6 70 67 69 9 0 4 T 0.0 0 4.7 13 70 M M 10 1 15 60
7 75 64 70 10 0 5 0.00 0.0 0 2.3 8 110 M M 9 1 11 120
8 76 59 68 8 0 3 0.00 0.0 0 2.5 8 200 M M 8 1 11 200
9 73 61 67 8 0 2 T 0.0 0 5.7 15 70 M M 9 19 70
10 72 64 68 9 0 3 0.03 0.0 0 8.1 14 30 M M 10 1 20 30
11 69 64 67 9 0 2 0.00 0.0 0 7.3 13 30 M M 10 1 17 20
12 71 61 66 8 0 1 T 0.0 0 2.8 8 310 M M 9 1 10 300
13 76 59 68 10 0 3 0.00 0.0 0 2.4 8 210 M M 7 12 11 210
14 80 54 67 10 0 2 0.00 0.0 0 3.6 13 360 M M 5 12 18 340
15 83 57 70 13 0 5 0.00 0.0 0 3.6 10 190 M M 6 15 170
16 78 50 64 8 1 0 0.46 0.0 0 10.0 25 320 M M 5 1 35 330
17 66 45 56 0 9 0 0.00 0.0 0 10.5 26 310 M M 4 37 300
18 70 41 56 0 9 0 0.00 0.0 0 10.0 25 310 M M 1 37 300
19 74 39 57 2 8 0 0.00 0.0 0 4.7 15 290 M M 0 21 270
20 76 47 62 7 3 0 0.00 0.0 0 4.6 16 300 M M 1 22 280
21 77 44 61 6 4 0 0.00 0.0 0 5.7 17 200 M M 2 1 24 190
22 69 57 63 9 2 0 0.00 0.0 0 7.7 21 320 M M 6 30 320
23 68 48 58 4 7 0 T 0.0 0 5.2 20 290 M M 7 27 290
24 71 52 62 8 3 0 0.02 0.0 0 6.1 14 190 M M 6 21 180
25 80 60 70 17 0 5 2.42 0.0 0 10.2 32 160 M M 7 13 57 160
26 65 52 59 6 6 0 T 0.0 0 18.1 35 300 M M 8 49 290
27 70 52 61 9 4 0 0.00 0.0 0 13.7 24 320 M M 4 36 310
28 68 44 56 4 9 0 T 0.0 0 5.9 15 110 M M 6 23 90
29 61 55 58 6 7 0 1.32 0.0 0 11.8 25 90 M M 10 1 42 90
30 63 49 56 5 9 0 0.03 0.0 0 5.2 13 220 M M 8 1 17 210
31 67 50 59 8 6 0 0.00 0.0 0 9.1 24 310 M M 6 12 35 290
================================================================================
SM 2271 1673 92 57 4.28 0.0 199.2 M 187
================================================================================
AV 73.3 54.0 6.4 FASTST M M 6 MAX(MPH)
MISC ----> 35 300 57 160
================================================================================
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: OCTOBER
YEAR: 2021
LATITUDE: 38 57 N
LONGITUDE: 77 27 W
[TEMPERATURE DATA] [PRECIPITATION DATA] SYMBOLS USED IN COLUMN 16
AVERAGE MONTHLY: 63.6 TOTAL FOR MONTH: 4.28 1 = FOG OR MIST
DPTR FM NORMAL: 7.0 DPTR FM NORMAL: 0.63 2 = FOG REDUCING VISIBILITY
HIGHEST: 85 ON 3 GRTST 24HR 2.42 ON 25-25 TO 1/4 MILE OR LESS
LOWEST: 39 ON 19 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: 6
MAX 90 OR ABOVE: 0 0.10 INCH OR MORE: 3
MIN 32 OR BELOW: 0 0.50 INCH OR MORE: 2
MIN 0 OR BELOW: 0 1.00 INCH OR MORE: 2
[HDD (BASE 65) ]
TOTAL THIS MO. 92 CLEAR (SCALE 0-3) 5
DPTR FM NORMAL -192 PTCLDY (SCALE 4-7) 18
TOTAL FM JUL 1 109 CLOUDY (SCALE 8-10) 8
DPTR FM NORMAL -220
[CDD (BASE 65) ]
TOTAL THIS MO. 57
DPTR FM NORMAL 35 [PRESSURE DATA]
TOTAL FM JAN 1 1480 HIGHEST SLP 30.36 ON 6
DPTR FM NORMAL 250 LOWEST SLP 29.45 ON 29
[REMARKS]
#FINAL-10-21#