Waterlands
Gunpowder Falls River
USGS · 01581810
GUNPOWDER FALLS RIVER
USGS · 01581810LIVE

GUNPOWDER FALLS AT HOFFMANVILLE, MD

BALTIMORE COUNTY, MD39.6898°N, -76.7815°W Updated 1 hr ago
FLOW RATE
10.1cfs
GAUGE HT
1.10ft
AIR TEMP
73°F
WIND
3mph N
FISH INDEX
81SCORE / 100
GREAT · 4 OF 5
Flow Rate Historical Avg
MEDIAN FLOW RATE · 1 DAY
10.1cfs 43.3% vs avg
Optimal band: 912 cfs
PERIOD HIGH
11.6cfs
PERIOD LOW
10.1cfs
RUNNABLE
100%
last 1 day in band

Gauge Height

1.10ft
Precipitation History

Precipitation · YTD

Normal

Near-normal year

2026 to date

18.9in

≈ normal

18.88 in of precipitation so far this year — about average for this point in the season (normal 21.05 in).

YTD Total

18.9in

This year so far

Normal to Date

21.1in

30-yr average

Typical Range

16.7–27.5in

10th–90th pct YTD

Departure

-10%

vs 30-yr normal

By Month

This year
Typical range
Normal
Jan: 2.53" · normal 3.18" (2.0–4.7)
Jan
Feb: 2.06" · normal 2.77" (1.6–5.0)
Feb
Mar: 3.30" · normal 3.93" (1.8–5.5)
Mar
Apr: 2.39" · normal 3.60" (2.1–5.8)
Apr
May: 4.83" · normal 3.76" (1.9–5.6)
May
Jun: 3.76" (so far)· normal 3.91" (1.7–6.7)
Jun
Jul: normal 4.36" (2.3–7.1)
Jul
Aug: normal 3.72" (1.7–5.9)
Aug
Sep: normal 4.69" (1.8–9.8)
Sep
Oct: normal 3.73" (1.5–5.9)
Oct
Nov: normal 3.00" (1.3–4.8)
Nov
Dec: normal 3.60" (1.7–5.3)
Dec
Baseline 19912020 · Source: Open-Meteo02:06 AM
Your History · GUNPOWDER FALLS AT HOFFMANVILLE, MD

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Weather Conditions
WEATHER CONDITIONS
TODAY
80°
68°
MON
89°
68°
TUE
92°
68°
WED
97°
67°
THU
97°
76°
FRI
99°
78°
SAT
96°
70°
TIME
MON
3
NOW
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
4
pm
5
pm
6
pm
7
pm
8
pm
9
pm
10
pm
TEMP
hourly forecast
69°
mild
69°
69°
68°
68°
70°
74°
77°
79°
82°
83°
85°
87°
88°
89°
89°
89°
87°
84°
80°
78°
78°
75°
74°
72°
71°
70°
69°
68°
71°
75°
80°
84°
86°
88°
90°
91°
91°
92°
92°
90°
87°
79°
73°
70°
68°
68°
68°
68°
67°
67°
68°
68°
70°
74°
79°
84°
88°
91°
93°
94°
95°
96°
97°
95°
92°
86°
83°
83°
81°
82°
81°
79°
78°
77°
76°
76°
78°
82°
85°
88°
91°
93°
95°
96°
97°
97°
97°
97°
93°
88°
85°
84°
83°
82°
81°
81°
80°
80°
79°
79°
80°
84°
88°
91°
93°
95°
96°
97°
98°
99°
98°
95°
91°
87°
83°
80°
WIND
mph · gust · dir
2mph NNW
2
NNW
4
G5
N
4
G6
N
4
G8
N
2
G6
NNW
3
G5
NNE
2
G5
N
3
N
2
G4
N
4
G5
NNE
5
G7
NNE
4
G5
NNE
3
G5
NNE
3
G5
NE
4
G5
ENE
5
G7
SE
8
G10
SSE
7
G11
S
5
G11
SSW
2
G9
SSW
6
G12
SE
6
G13
SSE
4
G11
S
4
G9
SE
4
G8
SE
4
G8
SSE
4
G8
SE
3
G7
SE
7
G18
S
8
G18
SSW
8
G16
SSW
9
G13
SSW
10
G14
SSW
10
G14
SSW
11
G15
SSW
11
G14
SSW
12
G15
S
10
G14
S
11
G15
S
10
G14
SSW
8
G15
S
7
G15
SSE
11
G23
S
11
G28
S
9
G29
S
10
G30
SSW
10
G32
SSW
9
G32
SSW
8
G31
SSW
7
G28
SW
7
G23
SW
7
G19
SW
6
G15
SW
7
G11
WSW
6
G9
W
6
G9
W
7
G10
W
8
G11
WNW
8
G11
W
9
G12
WNW
8
G13
W
8
G15
W
8
G15
W
8
G11
WSW
7
G13
SW
7
G14
SW
6
G10
WSW
6
G18
W
7
G22
WNW
7
G24
NW
7
G18
NW
6
G11
NNW
4
G5
NW
5
WNW
5
NW
5
NW
5
G7
NW
6
G14
NW
8
G13
NNW
8
G12
NNW
7
G11
NNW
7
G9
NNW
6
G7
NNW
6
G7
NW
5
G7
WNW
5
G8
WNW
6
G9
W
5
G7
WSW
5
G9
SW
7
G12
SW
6
G9
SW
6
G10
WSW
6
G9
W
6
G9
WNW
6
G9
WNW
5
G6
WNW
4
G5
NW
4
G5
NW
5
G6
NNW
6
G8
NNW
6
G7
NNW
7
G10
NNW
7
G8
N
5
G6
NNW
6
G7
NNW
7
NNW
6
G8
NW
6
G9
WNW
7
G9
WNW
8
G9
NW
9
G11
WNW
14
G17
W
23
G26
WSW
27
G31
WSW
22
G27
WSW
13
G18
W
PRECIP
chance %
8%
8%
6%
5%
2%
1%
1%
2%
0%
0%
1%
2%
7%
4%
3%
4%
4%
6%
4%
4%
4%
5%
3%
2%
2%
2%
2%
2%
2%
1%
1%
1%
1%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
4%
4%
4%
4%
4%
4%
4%
4%
4%
4%
4%
4%
2%
2%
2%
2%
2%
2%
10%
10%
10%
10%
10%
10%
4%
4%
4%
4%
4%
4%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
1%
1%
1%
1%
1%
1%
3%
3%
3%
3%
3%
3%
1%
1%
1%
1%
1%
1%
2%
2%
2%
2%
2%
2%
10%
10%
10%
10%
10%
10%
15%
15%
CLOUDS
cover %
5%
clear
5%
23%
11%
8%
12%
5%
26%
33%
22%
21%
26%
12%
14%
40%
4%
10%
4%
19%
29%
100%
100%
43%
0%
0%
3%
91%
41%
6%
88%
100%
75%
37%
100%
100%
43%
57%
86%
100%
69%
39%
35%
90%
54%
61%
8%
7%
6%
0%
0%
5%
5%
5%
21%
32%
0%
0%
0%
0%
0%
0%
5%
5%
0%
20%
51%
0%
29%
100%
5%
28%
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%
0%
0%
0%
0%
19%
45%
PRESSURE
hPa · trend
994
994996996997997997995995995995993993993995994993994995993993
TemperatureWind / GustsPrecipitationCloud coverPressure
Nowscroll →
FISH INDEX
81
Temperature
Warm
Wind
Calm
Pressure
Rising — Slow
Moon Phase
Peak Activity
DAYLIGHT
SUNRISE
05:41 AM
SUNSET
08:39 PM
14H 58M OF DAYLIGHT17H 14M REMAINING
MOON PHASE
Full Moon
99% illuminated
PEAK ACTIVITY

Station Location

39.6898, -76.7815
Loading map…
DATA · USGS · NOAA · NWSUPDATED 2026-06-29 03:25 UTC
Site #01581810·USGS

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