WFO Monthly/Daily Climate Data
Issued by NWS Knoxville/Tri Cities, TN
Issued by NWS Knoxville/Tri Cities, TN
221
CXUS54 KMRX 261030
CF6TRI
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6)
STATION: TRI-CITIES AIRPORT
MONTH: APRIL
YEAR: 2025
LATITUDE: 36 28 N
LONGITUDE: 82 24 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 62 41 52 0 13 0 0.00 0.0 0 3.6 13 350 M M 7 1 17 310
2 78 42 60 8 5 0 0.00 0.0 0 7.4 23 180 M M 6 37 180
3 86 70 78 26 0 13 0.00 0.0 0 8.7 24 210 M M 9 30 210
4 86 60 73 20 0 8 0.00 0.0 0 2.6 15 210 M M 8 19 240
5 86 59 73 20 0 8 0.00 0.0 0 5.3 16 250 M M 8 23 180
6 75 60 68 15 0 3 0.15 0.0 0 6.0 20 220 M M 10 1 27 230
7 61 43 52 -2 13 0 1.23 0.0 0 3.6 14 350 M M 10 13 19 300
8 52 32 42 -12 23 0 0.00 0.0 0 5.8 15 300 M M 5 23 310
9 64 28 46 -8 19 0 0.00 0.0 0 2.0 13 220 M M 1 17 220
10 57 42 50 -5 15 0 0.30 0.0 0 2.9 13 330 M M 7 1 18 320
11 51 43 47 -8 18 0 0.18 0.0 0 3.5 14 10 M M 10 13 20 360
12 53 34 44 -11 21 0 0.00 0.0 0 4.9 13 10 M M 8 19 10
13 64 28 46 -10 19 0 0.00 0.0 0 2.0 12 210 M M 4 15 200
14 80 39 60 4 5 0 0.00 0.0 0 8.7 26 240 M M 4 18 36 240
15 70 49 60 4 5 0 0.18 0.0 0 13.9 33 260 M M 6 138 45 270
16 65 36 51 -6 14 0 0.00 0.0 0 7.6 21 250 M M 2 28 250
17 70 32 51 -6 14 0 T 0.0 0 0.7 7 330 M M 4 9 330
18 84 44 64 7 1 0 0.00 0.0 0 3.9 20 220 M M 2 24 220
19 85 49 67 9 0 2 0.00 0.0 0 4.2 22 220 M M 7 30 250
20 84 53 69 11 0 4 0.00 0.0 0 2.3 12 180 M M 7 20 150
21 82 53 68 10 0 3 0.10 0.0 0 5.0 18 260 M M 6 1 28 280
22 70 54 62 4 3 0 0.06 0.0 0 1.9 9 180 M M 8 1 11 200
23 80 53 67 8 0 2 0.00 0.0 0 1.2 17 200 M M 8 12 23 200
24 76 58 67 8 0 2 0.05 0.0 M 1.7 15 110 M M 9 1 19 100
25 80 59 70 11 0 5 0.71 0.0 0 2.5 25 260 M M 9 13 34 260
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SM 1801 1161 188 50 2.96 0.0 111.9 M 165
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AV 72.0 46.4 4.5 FASTST M M 7 MAX(MPH)
MISC ----> 33 260 45 270
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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: TRI-CITIES AIRPORT
MONTH: APRIL
YEAR: 2025
LATITUDE: 36 28 N
LONGITUDE: 82 24 W
[TEMPERATURE DATA] [PRECIPITATION DATA] SYMBOLS USED IN COLUMN 16
AVERAGE MONTHLY: 59.2 TOTAL FOR MONTH: 2.96 1 = FOG OR MIST
DPTR FM NORMAL: 3.6 DPTR FM NORMAL: -0.22 2 = FOG REDUCING VISIBILITY
HIGHEST: 86 ON 5, 4 GRTST 24HR 1.29 ON 6- 7 TO 1/4 MILE OR LESS
LOWEST: 28 ON 13, 9 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: 9
MAX 90 OR ABOVE: 0 0.10 INCH OR MORE: 7
MIN 32 OR BELOW: 4 0.50 INCH OR MORE: 2
MIN 0 OR BELOW: 0 1.00 INCH OR MORE: 1
[HDD (BASE 65) ]
TOTAL THIS MO. 188 CLEAR (SCALE 0-3) 3
DPTR FM NORMAL -55 PTCLDY (SCALE 4-7) 15
TOTAL FM JUL 1 3714 CLOUDY (SCALE 8-10) 7
DPTR FM NORMAL -308
[CDD (BASE 65) ]
TOTAL THIS MO. 50
DPTR FM NORMAL 45 [PRESSURE DATA]
TOTAL FM JAN 1 50 HIGHEST SLP M ON M
DPTR FM NORMAL 44 LOWEST SLP 29.61 ON 7
[REMARKS]