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

BYNUM RUN AT BEL AIR, MD

HARFORD COUNTY, MD39.5415°N, -76.3301°W Updated 57 min ago
FLOW RATE
6.76cfs
GAUGE HT
0.68ft
AIR TEMP
71°F
WIND
5mph NNE
FISH INDEX
63SCORE / 100
GOOD · 3 OF 5
Flow Rate Historical Avg
MEDIAN FLOW RATE · 1 DAY
6.76cfs 79.6% vs avg
Optimal band: 2–3 cfs
PERIOD HIGH
35.7cfs
PERIOD LOW
2.58cfs
RUNNABLE
55%
last 1 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°
71°
MON
87°
67°
TUE
88°
63°
WED
97°
69°
THU
90°
74°
FRI
86°
70°
SAT
84°
65°
TIME
SUN
9
NOW
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
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
TEMP
hourly forecast
76°
mild
76°
76°
79°
81°
83°
84°
83°
85°
85°
84°
83°
81°
78°
74°
73°
71°
70°
68°
68°
68°
69°
67°
69°
73°
76°
78°
81°
83°
85°
86°
87°
87°
86°
86°
85°
82°
78°
76°
75°
72°
70°
68°
65°
65°
64°
63°
66°
70°
75°
78°
82°
85°
87°
88°
88°
88°
87°
85°
81°
76°
74°
74°
73°
72°
71°
70°
69°
69°
69°
70°
72°
77°
82°
85°
88°
91°
94°
94°
96°
96°
97°
95°
90°
85°
83°
83°
82°
79°
77°
76°
74°
74°
74°
75°
74°
77°
80°
83°
86°
88°
87°
86°
88°
90°
90°
89°
84°
79°
77°
77°
77°
75°
74°
73°
72°
71°
WIND
mph · gust · dir
8mph ENE
G 14 mph
8
G14
ENE
7
G12
E
8
G11
E
7
G9
E
7
G8
E
7
E
6
E
4
G5
ESE
6
G7
ESE
6
G7
SE
5
G6
SE
6
G10
ESE
8
G16
SE
6
G14
SE
7
G13
SSE
5
G11
SSE
4
G8
SE
2
G5
S
3
G5
SSE
2
G6
S
3
G8
SW
2
G5
W
3
NNE
2
G5
ENE
6
G7
SE
6
G7
SSE
5
SSE
5
SSE
7
G8
SSE
8
G10
SSE
8
G9
SSE
10
G11
SSE
9
G10
S
8
G10
S
8
G10
S
6
G11
S
5
G11
S
7
G14
S
7
G15
S
8
G16
SSW
6
G11
SSW
7
G12
SSW
2
G5
W
4
G5
WSW
5
WNW
4
NW
4
G5
WNW
4
G5
WNW
4
G5
W
5
SW
6
G7
SW
6
G7
SW
6
G8
SW
7
G9
SW
8
G10
SSW
9
G11
SSW
8
G10
SSW
7
G10
SSW
6
G10
S
6
G10
SSW
5
G10
SSW
6
G13
SW
6
G14
SW
7
G16
WSW
7
G20
WSW
7
G21
WSW
7
G19
WSW
7
G17
W
7
G14
W
6
G11
W
6
G14
W
7
G16
W
9
G15
W
9
G14
WNW
10
G12
WNW
10
G12
WNW
11
G13
WNW
11
G13
WNW
11
G13
WNW
10
G13
W
10
G14
W
9
G14
W
8
G18
W
8
G20
W
9
G25
WNW
10
G24
WNW
9
G20
WNW
8
G17
NW
6
G12
NNW
5
G6
NNW
4
G5
N
4
NNW
5
NNW
4
G5
NNW
5
G7
N
3
G5
N
3
G4
N
4
G5
NW
6
G9
WNW
9
G13
NW
11
G15
WNW
13
G16
WNW
10
G17
NW
10
G19
NW
11
G18
NW
10
G18
NW
12
G22
NNW
9
G26
NW
10
G28
NW
11
G28
NNW
12
G27
NNW
11
G24
NNW
9
G20
NNW
7
G18
NNW
7
G19
NNW
8
G21
N
PRECIP
chance %
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
1%
1%
1%
0%
0%
1%
1%
1%
1%
0%
0%
0%
0%
0%
0%
0%
0%
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%
0%
1%
1%
1%
1%
1%
1%
2%
2%
2%
2%
2%
2%
5%
5%
5%
5%
5%
5%
5%
5%
5%
5%
5%
5%
0%
0%
0%
0%
0%
0%
2%
2%
2%
2%
2%
2%
2%
2%
2%
2%
2%
2%
1%
1%
CLOUDS
cover %
100%
overcast
100%
100%
67%
26%
56%
100%
99%
100%
100%
100%
100%
100%
90%
0%
48%
4%
30%
72%
48%
71%
61%
15%
6%
8%
13%
10%
9%
3%
10%
3%
4%
2%
3%
4%
0%
0%
0%
0%
2%
2%
0%
0%
0%
0%
0%
0%
100%
43%
100%
100%
100%
6%
64%
58%
5%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
6%
6%
5%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
26%
5%
7%
7%
0%
63%
14%
100%
100%
100%
100%
100%
16%
16%
76%
75%
34%
88%
87%
82%
89%
100%
100%
100%
100%
100%
100%
100%
100%
100%
PRESSURE
hPa · trend
1012
10121012101210131014101210121012101310091007100610061003100110021004100210031005
TemperatureWind / GustsPrecipitationCloud coverPressure
Nowscroll →
FISH INDEX
63
Temperature
Warm
Wind
Light
Pressure
Rising — Slow
Moon Phase
Average
DAYLIGHT
SUNRISE
05:48 AM
SUNSET
08:33 PM
14H 45M OF DAYLIGHT
MOON PHASE
Waning Crescent
6% illuminated

Station Location

39.5415, -76.3301
Loading map…
DATA · USGS · NOAA · NWSUPDATED 2026-07-12 08:15 UTC
Site #01581500·USGS

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