Waterlands
Gwynns Falls River
USGS · 01589197
GWYNNS FALLS RIVER
USGS · 01589197LIVE

GWYNNS FALLS NEAR DELIGHT, MD

BALTIMORE COUNTY, MD39.4429°N, -76.7834°W Updated 3 hr ago
FLOW RATE
2cfs
AIR TEMP
73°F
WIND
2mph SW
FISH INDEX
81SCORE / 100
GREAT · 4 OF 5
Flow Rate Historical Avg
MEDIAN FLOW RATE · 7 DAY
2cfs 23.9% vs avg
Optimal band: 22 cfs
PERIOD HIGH
4cfs
PERIOD LOW
2cfs
RUNNABLE
88%
last 7 day in band
Precipitation History

Precipitation · YTD

Normal

Near-normal year

2026 to date

19.7in

≈ normal

19.71 in of precipitation so far this year — about average for this point in the season (normal 21.77 in).

YTD Total

19.7in

This year so far

Normal to Date

21.8in

30-yr average

Typical Range

17.3–27.7in

10th–90th pct YTD

Departure

-9%

vs 30-yr normal

By Month

This year
Typical range
Normal
Jan: 2.75" · normal 3.28" (1.9–5.1)
Jan
Feb: 1.94" · normal 2.86" (1.8–4.9)
Feb
Mar: 3.58" · normal 4.04" (1.9–5.9)
Mar
Apr: 3.00" · normal 3.67" (2.1–5.9)
Apr
May: 4.48" · normal 3.91" (2.1–6.1)
May
Jun: 3.96" (so far)· normal 4.11" (1.9–6.7)
Jun
Jul: normal 4.66" (2.3–7.9)
Jul
Aug: normal 4.02" (2.0–6.7)
Aug
Sep: normal 4.91" (1.8–8.4)
Sep
Oct: normal 3.83" (1.5–5.9)
Oct
Nov: normal 3.10" (1.4–4.6)
Nov
Dec: normal 3.79" (1.9–5.5)
Dec
Baseline 19912020 · Source: Open-Meteo03:22 AM
Your History · GWYNNS FALLS NEAR DELIGHT, MD

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Weather Conditions
WEATHER CONDITIONS
TODAY
79°
69°
MON
88°
67°
TUE
91°
69°
WED
98°
68°
THU
100°
78°
FRI
103°
80°
SAT
99°
74°
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
70°
mild
70°
69°
68°
67°
70°
73°
76°
78°
80°
82°
84°
86°
88°
87°
87°
87°
86°
83°
79°
78°
75°
75°
74°
72°
71°
70°
70°
69°
71°
75°
79°
82°
85°
87°
89°
90°
91°
91°
91°
90°
89°
83°
76°
70°
69°
69°
68°
68°
69°
70°
71°
71°
71°
72°
78°
84°
89°
92°
94°
96°
97°
97°
98°
97°
95°
90°
87°
85°
83°
82°
81°
80°
79°
78°
78°
78°
80°
84°
88°
91°
93°
96°
97°
99°
100°
100°
100°
99°
96°
92°
89°
88°
86°
84°
83°
82°
81°
81°
81°
80°
82°
86°
90°
94°
96°
98°
100°
100°
102°
103°
102°
97°
90°
85°
83°
83°
WIND
mph · gust · dir
2mph W
2
W
4
G5
WNW
3
G4
NNW
4
G6
NNE
3
G8
NNE
4
G7
NNE
4
G6
NE
2
G3
NE
2
G4
NNE
2
G4
NNE
3
G6
NE
5
G7
NE
3
G5
NE
6
G8
ESE
7
G8
SE
7
G9
SSE
7
G9
SSE
5
G8
SSW
5
G7
SW
6
G9
SSE
9
G18
SSE
8
G17
S
7
G13
S
7
G11
S
6
G11
S
7
G12
S
6
G12
S
6
G11
S
8
G18
SSW
9
G18
SSW
9
G16
SSW
9
G14
SSW
10
G13
SSW
10
G13
S
12
G15
SSW
11
G14
SSW
12
G15
S
10
G14
SSW
12
G15
S
11
G15
SSW
9
G14
S
10
G18
S
10
G24
S
8
G26
S
6
G24
S
7
G28
SSW
8
G30
SSW
8
G30
SSW
7
G30
SSW
7
G26
SW
6
G22
SW
6
G19
SW
5
G16
SW
5
G12
SW
5
G9
WSW
5
G9
W
5
G9
W
6
G9
WNW
6
G9
WNW
8
G10
WNW
9
G11
WNW
7
G12
WNW
7
G13
WNW
5
G10
W
5
G13
SW
4
G9
SW
4
G6
WSW
4
G14
W
4
G11
WSW
4
G8
WSW
5
G13
W
5
G7
W
5
G8
WNW
5
G8
NW
5
G6
NW
5
G6
NNW
4
G11
NNW
6
G15
NNW
7
G13
NNW
7
G11
NNW
6
G9
NNW
6
G8
NNW
6
G7
NNW
7
NW
6
NW
7
NW
7
WNW
7
WNW
5
G7
W
5
G10
WSW
4
G5
WSW
5
SW
5
G6
WSW
5
G8
WSW
5
G9
WNW
5
G8
WNW
4
G5
WNW
4
G5
NW
5
G6
NNW
5
G9
NNW
4
G12
NNW
5
G11
N
5
G9
N
4
G6
N
4
G5
NNW
6
G7
NNW
8
NNW
8
G9
NW
8
NW
8
NW
9
WNW
15
G17
WNW
22
G29
WNW
25
G34
W
20
G29
W
11
G18
W
PRECIP
chance %
5%
5%
3%
1%
3%
3%
1%
1%
1%
1%
2%
2%
5%
6%
4%
4%
4%
4%
4%
4%
4%
4%
3%
3%
2%
2%
2%
2%
1%
1%
1%
1%
1%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
6%
6%
6%
6%
6%
6%
5%
5%
5%
5%
5%
5%
2%
2%
2%
2%
2%
2%
8%
8%
8%
8%
8%
8%
5%
5%
5%
5%
5%
5%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
1%
1%
1%
1%
1%
1%
2%
2%
2%
2%
2%
2%
1%
1%
1%
1%
1%
1%
2%
2%
2%
2%
2%
2%
13%
13%
13%
13%
13%
13%
18%
18%
CLOUDS
cover %
18%
few
18%
12%
2%
3%
3%
6%
33%
36%
39%
29%
24%
25%
23%
100%
19%
2%
0%
0%
0%
61%
82%
12%
17%
2%
3%
29%
66%
29%
89%
99%
100%
79%
6%
68%
95%
35%
7%
7%
16%
42%
42%
100%
20%
62%
14%
12%
12%
0%
0%
0%
100%
100%
100%
100%
0%
0%
0%
0%
0%
0%
5%
5%
5%
5%
1%
0%
0%
4%
29%
0%
3%
5%
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%
2%
3%
0%
0%
0%
29%
70%
PRESSURE
hPa · trend
996
996998998999999999998997997997995995995997996995996997995996
TemperatureWind / GustsPrecipitationCloud coverPressure
Nowscroll →
FISH INDEX
81
Temperature
Warm
Wind
Calm
Pressure
Rising — Slow
Moon Phase
Peak Activity
DAYLIGHT
SUNRISE
05:42 AM
SUNSET
08:38 PM
14H 56M OF DAYLIGHT17H 16M REMAINING
MOON PHASE
Full Moon
99% illuminated
PEAK ACTIVITY

Station Location

39.4429, -76.7834
Loading map…
DATA · USGS · NOAA · NWSUPDATED 2026-06-29 03:22 UTC
Site #01589197·USGS

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