WFO Monthly/Daily Climate Data Issued by NWS Sterling, VA
000
CXUS51 KLWX 011905
CF6DCA
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6)
STATION: WASHINGTON NATIONAL DC
MONTH: MAY
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 69 47 58 -5 7 0 0.00 0.0 0 12.9 30 310 M M 2 42 320
2 84 54 69 5 0 4 0.00 0.0 0 10.9 21 200 M M 6 29 190
3 76 65 71 7 0 6 0.06 0.0 0 9.5 18 210 M M 10 8 26 220
4 84 66 75 11 0 10 0.48 0.0 0 8.0 31 250 M M 7 13 46 270
5 81 56 69 5 0 4 0.06 0.0 0 10.6 29 320 M M 7 1 42 310
6 66 49 58 -7 7 0 0.00 0.0 0 8.8 24 320 M M 4 32 340
7 65 48 57 -8 8 0 0.05 0.0 0 5.8 21 260 M M 9 3 31 260
8 62 44 53 -12 12 0 0.04 0.0 0 9.6 31 340 M M 6 1 41 320
9 69 47 58 -7 7 0 0.00 0.0 0 8.9 20 170 M M 9 26 160
10 71 52 62 -4 3 0 T 0.0 0 12.9 24 320 M M 5 32 320
11 70 52 61 -5 4 0 0.00 0.0 0 9.0 21 330 M M 7 8 28 250
12 69 50 60 -6 5 0 0.00 0.0 0 9.2 20 340 M M 7 8 28 320
13 72 49 61 -5 4 0 0.00 0.0 0 6.9 16 10 M M 4 8 22 20
14 74 52 63 -4 2 0 0.00 0.0 0 4.4 12 170 M M 5 16 330
15 79 51 65 -2 0 0 0.00 0.0 0 3.9 14 170 M M 5 20 30
16 73 54 64 -3 1 0 T 0.0 0 6.4 22 280 M M 9 8 28 280
17 75 54 65 -2 0 0 0.00 0.0 0 4.5 10 160 M M 6 14 160
18 79 55 67 -1 0 2 0.00 0.0 0 6.5 13 200 M M 4 8 16 200
19 85 58 72 4 0 7 0.00 0.0 0 7.1 14 170 M M 2 8 16 170
20 93 62 78 10 0 13 0.00 0.0 0 6.5 18 130 M M 4 25 150
21 83 59 71 3 0 6 0.00 0.0 0 5.5 13 180 M M 5 16 180
22 91 62 77 8 0 12 0.00 0.0 0 8.1 18 340 M M 8 26 330
23 94 74 84 15 0 19 0.00 0.0 0 10.6 21 320 M M 6 32 320
24 80 59 70 1 0 5 0.34 0.0 0 9.6 18 100 M M 10 23 90
25 79 58 69 -1 0 4 0.00 0.0 0 7.6 14 160 M M 8 17 160
26 91 70 81 11 0 16 0.90 0.0 0 8.6 40 270 M M 7 13 53 270
27 86 69 78 8 0 13 0.00 0.0 0 7.3 17 340 M M 5 23 320
28 77 59 68 -3 0 3 1.16 0.0 0 11.3 18 30 M M 9 13 23 50
29 59 51 55 -16 10 0 0.53 0.0 0 13.9 22 50 M M 10 1 28 20
30 58 50 54 -17 11 0 0.15 0.0 0 11.8 20 20 M M 9 26 20
31 76 50 63 -9 2 0 0.00 0.0 0 5.5 18 320 M M 4 24 350
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SM 2370 1726 83 124 3.77 0.0 262.1 M 199
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AV 76.5 55.7 8.5 FASTST M M 6 MAX(MPH)
MISC ----> 40 270 53 270
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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: MAY
YEAR: 2021
LATITUDE: 38 50 N
LONGITUDE: 77 2 W
[TEMPERATURE DATA] [PRECIPITATION DATA] SYMBOLS USED IN COLUMN 16
AVERAGE MONTHLY: 66.1 TOTAL FOR MONTH: 3.77 1 = FOG OR MIST
DPTR FM NORMAL: -1.1 DPTR FM NORMAL: -0.17 2 = FOG REDUCING VISIBILITY
HIGHEST: 94 ON 23 GRTST 24HR 1.68 ON 28-29 TO 1/4 MILE OR LESS
LOWEST: 44 ON 8 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: 4 0.10 INCH OR MORE: 6
MIN 32 OR BELOW: 0 0.50 INCH OR MORE: 3
MIN 0 OR BELOW: 0 1.00 INCH OR MORE: 1
[HDD (BASE 65) ]
TOTAL THIS MO. 83 CLEAR (SCALE 0-3) 2
DPTR FM NORMAL 20 PTCLDY (SCALE 4-7) 19
TOTAL FM JUL 1 3498 CLOUDY (SCALE 8-10) 10
DPTR FM NORMAL -267
[CDD (BASE 65) ]
TOTAL THIS MO. 124
DPTR FM NORMAL -8 [PRESSURE DATA]
TOTAL FM JAN 1 164 HIGHEST SLP 30.55 ON 21
DPTR FM NORMAL -3 LOWEST SLP 29.67 ON 5
[REMARKS]
#FINAL-05-21#