WFO Monthly/Daily Climate Data Issued by NWS Sterling, VA
000
CXUS51 KLWX 011438
CF6DCA
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6)
STATION: WASHINGTON NATIONAL DC
MONTH: APRIL
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 53 34 44 -8 21 0 0.19 0.0 0 17.7 32 330 M M 8 1 44 330
2 47 31 39 -13 26 0 0.00 0.0 0 17.5 28 330 M M 4 39 330
3 57 33 45 -8 20 0 0.00 0.0 0 7.3 15 330 M M 3 22 330
4 72 44 58 5 7 0 0.00 0.0 0 9.6 22 330 M M 5 31 300
5 73 46 60 7 5 0 0.00 0.0 0 5.6 17 350 M M 4 25 310
6 78 54 66 12 0 1 0.00 0.0 0 4.3 15 330 M M 4 22 310
7 83 53 68 14 0 3 T 0.0 0 4.6 13 50 M M 5 17 110
8 72 53 63 9 2 0 0.00 0.0 0 9.0 18 160 M M 7 24 160
9 62 53 58 3 7 0 0.61 0.0 0 7.1 14 60 M M 10 13 19 120
10 74 55 65 10 0 0 0.03 0.0 0 6.0 14 90 M M 10 1 18 110
11 79 61 70 15 0 5 0.11 0.0 0 8.8 24 230 M M 8 13 31 230
12 64 50 57 1 8 0 0.08 0.0 0 9.2 15 70 M M 9 1 19 60
13 68 50 59 3 6 0 T 0.0 0 5.8 15 350 M M 8 19 360
14 63 51 57 1 8 0 0.30 0.0 0 6.7 12 180 M M 8 1 16 170
15 66 48 57 0 8 0 T 0.0 0 11.0 26 310 M M 7 40 290
16 62 43 53 -4 12 0 0.00 0.0 0 11.6 29 290 M M 5 38 310
17 62 42 52 -5 13 0 0.00 0.0 0 7.0 16 330 M M 6 21 320
18 68 47 58 0 7 0 0.00 0.0 0 6.7 14 30 M M 7 22 20
19 62 50 56 -2 9 0 0.01 0.0 0 6.3 13 190 M M 6 16 180
20 76 47 62 4 3 0 0.00 0.0 0 11.3 23 170 M M 2 31 180
21 69 40 55 -4 10 0 T 0.0 0 17.9 33 320 M M 5 52 320
22 54 36 45 -14 20 0 0.00 0.0 0 11.1 26 280 M M 6 40 270
23 65 38 52 -7 13 0 0.00 0.0 0 7.8 18 260 M M 3 29 240
24 65 42 54 -6 11 0 0.60 0.0 0 6.4 25 210 M M 7 1 31 220
25 68 51 60 0 5 0 0.26 0.0 0 11.5 25 320 M M 9 1 36 300
26 69 46 58 -2 7 0 0.00 0.0 0 10.7 22 330 M M 2 29 330
27 84 50 67 7 0 2 0.00 0.0 0 8.1 18 200 M M 7 27 190
28 88 62 75 14 0 10 0.00 0.0 0 9.2 17 170 M M 8 24 210
29 86 67 77 16 0 12 0.01 0.0 0 10.0 29 320 M M 9 8 40 320
30 73 51 62 1 3 0 T 0.0 0 20.9 41 310 M M 5 8 62 300
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SM 2062 1428 231 33 2.20 0.0 286.7 M 187
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AV 68.7 47.6 9.6 FASTST M M 6 MAX(MPH)
MISC ----> 41 310 62 300
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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: APRIL
YEAR: 2021
LATITUDE: 38 50 N
LONGITUDE: 77 2 W
[TEMPERATURE DATA] [PRECIPITATION DATA] SYMBOLS USED IN COLUMN 16
AVERAGE MONTHLY: 58.2 TOTAL FOR MONTH: 2.20 1 = FOG OR MIST
DPTR FM NORMAL: 1.4 DPTR FM NORMAL: -0.86 2 = FOG REDUCING VISIBILITY
HIGHEST: 88 ON 28 GRTST 24HR 1.11 ON 31- 1 TO 1/4 MILE OR LESS
LOWEST: 31 ON 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: 10
MAX 90 OR ABOVE: 0 0.10 INCH OR MORE: 6
MIN 32 OR BELOW: 1 0.50 INCH OR MORE: 2
MIN 0 OR BELOW: 0 1.00 INCH OR MORE: 0
[HDD (BASE 65) ]
TOTAL THIS MO. 231 CLEAR (SCALE 0-3) 3
DPTR FM NORMAL -39 PTCLDY (SCALE 4-7) 21
TOTAL FM JUL 1 3415 CLOUDY (SCALE 8-10) 6
DPTR FM NORMAL -530
[CDD (BASE 65) ]
TOTAL THIS MO. 33
DPTR FM NORMAL 9 [PRESSURE DATA]
TOTAL FM JAN 1 40 HIGHEST SLP 30.48 ON 3
DPTR FM NORMAL 14 LOWEST SLP 29.42 ON 11
[REMARKS]
#FINAL-04-21#