Waterlands
Bynum Run
USGS · 01581500
BYNUM RUN
USGS · 01581500LIVE

BYNUM RUN AT BEL AIR, MD

HARFORD COUNTY, MD39.5415°N, -76.3301°W Updated 20 hr ago
FLOW RATE
8cfs
GAUGE HT
0.68ft
AIR TEMP
77°F
WIND
1mph SW
FISH INDEX
69SCORE / 100
GREAT · 4 OF 5
Flow Rate Historical Avg
MEDIAN FLOW RATE · 7 DAY
8cfs 42.2% vs avg
Optimal band: 3–5 cfs
PERIOD HIGH
29cfs
PERIOD LOW
3cfs
RUNNABLE
63%
last 7 day in band

Gauge Height

0.68ft
Precipitation History
Your History · BYNUM RUN AT BEL AIR, MD

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Weather Conditions
WEATHER CONDITIONS
TODAY
85°
70°
MON
86°
65°
TUE
91°
67°
WED
98°
73°
THU
89°
70°
FRI
81°
61°
SAT
83°
57°
TIME
SUN
8
NOW
9
pm
10
pm
11
pm
MON
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
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
TEMP
hourly forecast
76°
mild
76°
73°
71°
70°
69°
68°
67°
67°
66°
65°
65°
67°
73°
75°
78°
80°
82°
84°
85°
86°
86°
86°
85°
84°
81°
77°
75°
73°
72°
71°
70°
69°
68°
67°
67°
69°
74°
79°
83°
86°
88°
90°
91°
91°
90°
90°
88°
84°
80°
79°
78°
77°
76°
75°
75°
74°
74°
74°
73°
75°
80°
84°
88°
91°
93°
95°
97°
98°
98°
98°
95°
91°
86°
84°
82°
81°
79°
75°
72°
71°
71°
71°
70°
72°
74°
78°
82°
84°
85°
86°
87°
89°
88°
88°
87°
83°
78°
74°
72°
70°
70°
70°
68°
66°
63°
61°
62°
61°
65°
68°
72°
75°
77°
79°
80°
81°
WIND
mph · gust · dir
8mph SE
G 19 mph
8
G19
SE
8
G17
SE
7
G13
SE
5
G11
SE
5
G11
SE
5
G10
SE
4
G8
SE
4
G8
SE
3
G6
ESE
3
G5
ESE
3
G5
ESE
3
G7
ESE
5
G10
SE
6
G10
SSE
7
G9
SSE
7
G8
SSE
7
G8
SSE
7
G8
SSE
6
G7
SSE
6
SSE
7
SSE
7
SSE
7
G9
SSE
8
G9
SSE
6
G10
SE
7
G15
ESE
7
G13
SE
6
G12
SSE
6
G13
S
5
G13
SSW
5
G13
SW
6
G14
SSW
6
G14
SW
5
G12
SSW
5
G11
WSW
5
G11
SW
7
G14
SW
7
G11
WSW
7
G10
SW
8
G11
SW
7
G9
SW
7
G9
SW
8
G11
SW
8
G11
SW
9
G11
SW
8
G11
SW
7
G11
SSW
8
G13
S
7
G15
S
7
G15
SW
7
G17
SW
6
G14
WSW
7
G16
WSW
7
G18
WSW
7
G17
WSW
6
G15
W
7
G16
W
7
G15
W
7
G17
W
7
G22
W
8
G22
WNW
9
G17
WNW
9
G13
WNW
10
G13
NW
11
G14
NW
11
G14
WNW
11
G14
WNW
12
G15
WNW
12
G15
WNW
12
G15
WNW
11
G16
WNW
8
G19
WNW
8
G18
WNW
8
G21
WNW
7
G17
WNW
6
G11
NW
6
G9
N
7
G12
N
6
G12
N
6
G8
NNW
3
G4
NNW
4
G5
NW
5
NW
5
G8
WNW
5
G9
WNW
6
G8
WNW
6
G9
NW
6
G9
WNW
8
G11
NNW
11
G14
NNW
9
G17
NW
14
G19
NW
13
G18
NNW
11
G18
NW
10
G18
NW
7
G17
NW
8
G19
WNW
7
G17
NW
8
G19
NW
8
G22
NW
10
G24
NNW
9
G22
NNW
9
G26
NNW
10
G24
NNW
9
G24
NNW
9
G26
NNW
10
G26
NNW
9
G23
NNW
11
G20
NNW
11
G18
NNW
11
G17
NNW
12
G15
N
12
G15
NNW
12
G16
NNW
13
G17
NNW
12
G17
NNW
PRECIP
chance %
1%
1%
0%
0%
0%
0%
0%
0%
1%
1%
0%
0%
0%
0%
0%
0%
0%
0%
0%
1%
1%
1%
1%
1%
1%
1%
1%
1%
1%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
1%
1%
1%
1%
1%
1%
7%
7%
7%
7%
7%
7%
3%
3%
3%
3%
3%
3%
2%
2%
2%
2%
2%
2%
4%
4%
4%
4%
4%
4%
4%
4%
4%
4%
4%
4%
3%
3%
3%
3%
3%
3%
2%
2%
2%
2%
2%
2%
6%
CLOUDS
cover %
1%
clear
1%
4%
0%
0%
0%
2%
0%
1%
0%
0%
1%
1%
2%
5%
4%
2%
2%
1%
2%
4%
5%
4%
3%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
2%
3%
4%
5%
0%
0%
0%
0%
0%
0%
78%
90%
32%
5%
0%
0%
5%
12%
100%
100%
85%
100%
100%
100%
52%
6%
0%
5%
72%
7%
6%
11%
8%
100%
100%
100%
100%
0%
100%
100%
71%
100%
100%
100%
100%
100%
94%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
14%
14%
6%
11%
100%
12%
6%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
PRESSURE
hPa · trend
1012
10121013101410131012101210121009100510051005100310011002100210021001100510081008
TemperatureWind / GustsPrecipitationCloud coverPressure
Nowscroll →
FISH INDEX
69
Temperature
Warm
Wind
Calm
Pressure
Rising — Slow
Moon Phase
Average
DAYLIGHT
SUNRISE
05:48 AM
SUNSET
08:33 PM
14H 45M OF DAYLIGHT
MOON PHASE
Waning Crescent
4% illuminated

Station Location

39.5415, -76.3301
Loading map…
DATA · USGS · NOAA · NWSUPDATED 2026-07-12 00:00 UTC
Site #01581500·USGS

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