Waterlands
Harpeth River
USGS · 03432100
HARPETH RIVER
USGS · 03432100LIVE

HARPETH RIVER AT MCDANIEL, TN

WILLIAMSON COUNTY, TN35.8326°N, -86.6989°W Updated 4 hr ago
FLOW RATE
2cfs
AIR TEMP
78°F
WIND
4mph SSW
FISH INDEX
81SCORE / 100
GREAT · 4 OF 5
Flow Rate Historical Avg
MEDIAN FLOW RATE · 1 YEAR
2cfs 23.0% vs avg
Optimal band: 17–23 cfs
PERIOD HIGH
918cfs
PERIOD LOW
1cfs
RUNNABLE
11%
last 1 year in band
Precipitation History

Precipitation · YTD

Normal

Near-normal year

2026 to date

29.0in

≈ normal

28.96 in of precipitation so far this year — about average for this point in the season (normal 28.13 in).

YTD Total

29.0in

This year so far

Normal to Date

28.1in

30-yr average

Typical Range

20.7–37.2in

10th–90th pct YTD

Departure

+3%

vs 30-yr normal

By Month

This year
Typical range
Normal
Jan: 4.44" · normal 4.31" (2.6–6.2)
Jan
Feb: 3.53" · normal 4.79" (2.2–10.5)
Feb
Mar: 2.45" · normal 5.19" (2.9–7.6)
Mar
Apr: 3.52" · normal 4.92" (2.1–7.0)
Apr
May: 9.65" · normal 4.79" (2.9–6.9)
May
Jun: 5.38" (so far)· normal 4.27" (2.0–6.8)
Jun
Jul: normal 4.54" (2.4–7.1)
Jul
Aug: normal 3.75" (1.4–5.4)
Aug
Sep: normal 3.37" (0.9–6.0)
Sep
Oct: normal 3.49" (1.2–6.3)
Oct
Nov: normal 3.93" (1.8–5.9)
Nov
Dec: normal 5.16" (3.5–7.4)
Dec
Baseline 1991–2020 · Source: Open-Meteo03:19 AM
Your History · HARPETH RIVER AT MCDANIEL, TN

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Weather Conditions
WEATHER CONDITIONS
TODAY
90°
77°
MON
94°
74°
TUE
95°
76°
WED
95°
69°
THU
92°
69°
FRI
93°
72°
SAT
88°
72°
TIME
MON
4
NOW
5
am
6
am
7
am
8
am
9
am
10
am
11
am
12
pm
1
pm
2
pm
3
pm
4
pm
5
pm
6
pm
7
pm
8
pm
9
pm
10
pm
11
pm
TUE
12
am
1
am
2
am
3
am
4
am
5
am
6
am
7
am
8
am
9
am
10
am
11
am
12
pm
1
pm
2
pm
3
pm
4
pm
5
pm
6
pm
7
pm
8
pm
9
pm
10
pm
11
pm
WED
12
am
1
am
2
am
3
am
4
am
5
am
6
am
7
am
8
am
9
am
10
am
11
am
12
pm
1
pm
2
pm
3
pm
4
pm
5
pm
6
pm
7
pm
8
pm
9
pm
10
pm
11
pm
THU
12
am
1
am
2
am
3
am
4
am
5
am
6
am
7
am
8
am
9
am
10
am
11
am
12
pm
1
pm
2
pm
3
pm
4
pm
5
pm
6
pm
7
pm
8
pm
9
pm
10
pm
11
pm
FRI
12
am
1
am
2
am
3
am
4
am
5
am
6
am
7
am
8
am
9
am
10
am
11
am
12
pm
1
pm
2
pm
3
pm
4
pm
5
pm
6
pm
7
pm
8
pm
9
pm
10
pm
TEMP
hourly forecast
75°
mild
75°
74°
74°
78°
81°
84°
86°
88°
89°
91°
92°
93°
94°
93°
93°
90°
87°
85°
83°
81°
80°
79°
79°
79°
78°
77°
76°
79°
84°
87°
89°
91°
92°
93°
94°
95°
95°
95°
93°
88°
82°
81°
81°
80°
79°
78°
77°
77°
77°
77°
77°
79°
82°
85°
88°
91°
93°
94°
95°
94°
89°
91°
89°
74°
70°
73°
71°
69°
69°
70°
71°
71°
70°
70°
70°
73°
77°
78°
83°
87°
90°
91°
91°
92°
92°
92°
90°
86°
81°
79°
77°
77°
76°
75°
74°
73°
73°
72°
72°
75°
79°
83°
86°
89°
90°
91°
92°
93°
93°
90°
86°
82°
79°
77°
75°
WIND
mph · gust · dir
3mph SSW
G 9 mph
3
G9
SSW
2
G8
S
4
G9
S
4
G12
SW
6
G13
SW
7
G12
SW
6
G9
WSW
5
G7
W
4
G6
WSW
3
G5
WSW
3
G5
SW
2
G5
SSW
2
G6
SW
4
G5
SW
3
G6
SSW
2
G7
SW
3
G4
SSW
4
G6
SSW
4
G6
S
3
G5
S
2
G4
S
3
G6
SSW
5
G6
SW
3
SW
2
WNW
3
NNW
1
N
0
S
2
G9
WNW
6
G11
WNW
6
G7
NW
5
G7
WNW
4
G6
NW
3
G4
W
3
WSW
3
WSW
4
WSW
3
G4
WNW
2
G4
W
4
G7
NW
6
G13
NNW
4
NE
4
E
3
ESE
1
G2
ESE
2
G3
ESE
2
ENE
1
N
2
N
2
ENE
3
ENE
3
G7
E
4
G6
E
4
G6
E
4
G5
ESE
4
G5
ESE
4
G5
E
3
G4
E
3
G5
NNE
2
G4
S
10
G12
WSW
7
SW
8
G13
NW
17
G27
ENE
15
G30
NE
11
G19
SSE
11
G29
SSE
4
G6
E
1
G2
E
1
WNW
3
ENE
4
SSE
4
ESE
3
WSW
0
G1
E
1
G2
E
3
G4
E
3
G5
ESE
3
G4
SE
3
G4
E
3
ENE
3
NE
4
NE
4
NE
3
ENE
2
N
2
G3
E
3
ESE
2
G3
SSW
2
SSE
2
SSW
2
ESE
2
SSE
3
S
4
SW
3
SSW
3
SSW
4
SW
1
WSW
1
ESE
1
SSW
1
G2
W
2
G3
W
2
G3
WNW
3
G5
W
5
WNW
5
WNW
5
W
5
G6
WNW
4
G8
NW
5
G11
N
6
G12
NNE
6
G11
NE
5
G8
ENE
4
G6
E
PRECIP
chance %
0%
0%
0%
0%
1%
1%
1%
1%
1%
1%
1%
1%
1%
1%
1%
1%
1%
1%
1%
1%
1%
1%
1%
0%
0%
0%
0%
0%
0%
0%
1%
1%
3%
3%
3%
3%
3%
3%
3%
3%
3%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
3%
3%
3%
3%
3%
3%
7%
7%
7%
7%
7%
7%
5%
5%
5%
5%
5%
5%
2%
2%
2%
2%
2%
2%
15%
15%
15%
15%
15%
15%
20%
20%
20%
20%
20%
20%
32%
32%
32%
32%
32%
32%
5%
5%
5%
5%
5%
5%
10%
10%
10%
10%
10%
10%
26%
26%
26%
26%
26%
26%
17%
17%
17%
CLOUDS
cover %
0%
clear
0%
0%
0%
0%
2%
5%
26%
26%
20%
21%
6%
2%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
1%
0%
0%
1%
4%
6%
10%
60%
99%
100%
43%
76%
12%
78%
100%
100%
99%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
95%
8%
0%
0%
5%
0%
17%
0%
5%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
87%
38%
55%
100%
68%
17%
55%
11%
19%
15%
10%
0%
0%
0%
0%
0%
0%
6%
100%
55%
83%
32%
100%
19%
85%
100%
100%
100%
57%
18%
17%
100%
75%
36%
9%
7%
18%
30%
41%
53%
62%
PRESSURE
hPa · trend
991
991994993992993995993993993994992994992995992993992995992993
TemperatureWind / GustsPrecipitationCloud coverPressure
Nowscroll →
FISH INDEX
81
Temperature
Warm
Wind
Calm
Pressure
Rising — Slow
Moon Phase
Peak Activity
DAYLIGHT
SUNRISE
05:33 AM
SUNSET
08:07 PM
14H 34M OF DAYLIGHT15H 48M REMAINING
MOON PHASE
Full Moon
99% illuminated
PEAK ACTIVITY

Station Location

35.8326, -86.6989
Loading map…
DATA · USGS · NOAA · NWSUPDATED 2026-06-29 04:19 UTC
Site #03432100·USGS

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