Waterlands
Zekiah Swamp Run
USGS · 01660920
ZEKIAH SWAMP RUN
USGS · 01660920LIVE

ZEKIAH SWAMP RUN NEAR NEWTOWN, MD

WALDORF, MD38.4906°N, -76.9271°W Updated 42 min ago
FLOW RATE
58cfs
AIR TEMP
76°F
WIND
6mph SW
FISH INDEX
69SCORE / 100
GREAT · 4 OF 5
Flow Rate Historical Avg
MEDIAN FLOW RATE · 7 DAY
58cfs 94.6% vs avg
Optimal band: 1420 cfs
PERIOD HIGH
58cfs
PERIOD LOW
2cfs
RUNNABLE
25%
last 7 day in band
Precipitation History

Precipitation · YTD

Normal

Near-normal year

2026 to date

21.7in

≈ normal

21.72 in of precipitation so far this year — about average for this point in the season (normal 21.35 in).

YTD Total

21.7in

This year so far

Normal to Date

21.4in

30-yr average

Typical Range

16.9–27.2in

10th–90th pct YTD

Departure

+2%

vs 30-yr normal

By Month

This year
Typical range
Normal
Jan: 3.21" · normal 3.09" (1.9–4.1)
Jan
Feb: 2.73" · normal 2.90" (1.5–4.7)
Feb
Mar: 2.31" · normal 3.92" (2.0–5.5)
Mar
Apr: 1.65" · normal 3.26" (1.9–4.4)
Apr
May: 4.39" · normal 3.42" (1.6–5.2)
May
Jun: 4.42" · normal 3.53" (1.8–5.5)
Jun
Jul: 3.01" (so far)· normal 4.06" (1.6–5.9)
Jul
Aug: normal 3.66" (1.4–5.6)
Aug
Sep: normal 4.21" (1.0–7.6)
Sep
Oct: normal 3.53" (1.2–6.2)
Oct
Nov: normal 3.06" (1.0–6.5)
Nov
Dec: normal 3.40" (1.7–5.5)
Dec
Baseline 19912020 · Source: Open-Meteo12:41 AM
Your History · ZEKIAH SWAMP RUN NEAR NEWTOWN, MD

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Weather Conditions
WEATHER CONDITIONS
TODAY
88°
75°
FRI
90°
72°
SAT
89°
70°
SUN
83°
66°
MON
86°
64°
TUE
86°
62°
WED
96°
67°
TIME
FRI
1
NOW
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
SAT
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
SUN
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
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
TEMP
hourly forecast
74°
mild
74°
74°
73°
73°
73°
72°
74°
78°
80°
82°
83°
86°
88°
88°
89°
90°
89°
76°
77°
77°
77°
76°
75°
74°
74°
73°
73°
73°
72°
73°
74°
76°
79°
82°
83°
85°
88°
89°
83°
73°
72°
72°
72°
71°
71°
70°
70°
69°
69°
70°
69°
69°
69°
69°
70°
72°
74°
77°
80°
81°
81°
82°
83°
83°
80°
77°
75°
72°
69°
68°
66°
65°
64°
64°
64°
64°
64°
64°
66°
71°
75°
78°
80°
82°
84°
85°
86°
85°
84°
82°
78°
73°
69°
68°
68°
68°
67°
66°
66°
65°
64°
62°
64°
68°
74°
78°
81°
83°
83°
84°
85°
86°
85°
82°
77°
WIND
mph · gust · dir
3mph S
G 8 mph
3
G8
S
2
G6
WSW
4
G9
WSW
4
G10
W
4
G9
WSW
3
G8
WSW
1
G6
S
5
G11
W
5
G13
WNW
6
G12
WNW
4
G8
WNW
4
G8
W
4
G9
SW
6
G9
SW
5
G11
SSW
6
G11
SSW
7
G11
SW
5
G12
WSW
5
G9
NNW
2
G5
SSE
2
G4
N
2
G4
E
5
G11
SSE
5
G12
SSE
3
G8
SSW
2
G5
SE
3
ENE
2
G3
ESE
3
SE
3
G4
SSE
1
G2
ESE
1
G3
NE
3
G9
NNW
5
G8
NNW
5
G7
NNW
5
G6
NW
4
G6
NW
5
G6
NW
7
G15
NNW
9
G20
NNW
5
G15
N
4
G11
NNE
4
G6
NE
4
NE
4
NNE
3
NNE
2
NNE
2
NE
3
NE
3
NE
4
G7
NE
3
G5
NNE
3
G8
NE
4
G12
NNE
6
G18
NNE
7
G18
NE
9
G16
NE
10
G15
ENE
10
G14
ENE
11
G15
ENE
10
G14
ENE
11
G14
ENE
11
G13
E
11
G13
E
9
G13
ENE
8
G15
ENE
7
G17
ENE
7
G18
ENE
6
G17
E
6
G17
E
5
G16
ESE
5
G7
ESE
4
E
4
E
4
ENE
4
NE
4
ENE
5
ENE
4
G8
ENE
5
G8
ENE
6
G9
E
6
G9
E
7
G10
E
7
G11
ESE
7
G10
ESE
7
G9
SE
8
G9
SE
9
SSE
9
SSE
8
SSE
8
G13
SSE
6
G16
SE
5
G14
SE
5
G13
SE
5
G12
SE
4
SE
4
SSE
3
S
4
SW
5
G9
SW
4
WSW
3
WNW
2
NW
2
NNW
1
SSW
3
S
4
S
5
S
6
S
7
SSW
7
SSW
6
SSW
5
G6
SSW
5
G6
S
5
G7
SSE
PRECIP
chance %
2%
2%
2%
2%
2%
2%
1%
1%
1%
1%
0%
0%
1%
1%
2%
9%
8%
17%
30%
13%
12%
12%
14%
16%
13%
12%
9%
10%
8%
7%
8%
8%
13%
33%
33%
33%
33%
33%
33%
71%
71%
71%
71%
71%
71%
26%
26%
26%
26%
26%
26%
8%
8%
8%
8%
8%
8%
7%
7%
7%
7%
7%
7%
10%
10%
10%
10%
10%
10%
1%
1%
1%
1%
1%
1%
1%
1%
1%
1%
1%
1%
1%
1%
1%
1%
1%
1%
2%
2%
2%
2%
2%
2%
3%
3%
3%
3%
3%
3%
3%
3%
3%
3%
3%
3%
0%
0%
0%
0%
0%
0%
1%
1%
1%
1%
1%
CLOUDS
cover %
3%
clear
3%
7%
32%
5%
2%
1%
1%
0%
0%
94%
100%
99%
94%
100%
100%
100%
100%
100%
100%
100%
100%
82%
100%
100%
17%
47%
100%
10%
26%
100%
100%
91%
99%
72%
100%
100%
79%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
98%
15%
94%
100%
45%
98%
100%
100%
100%
100%
100%
100%
100%
100%
11%
14%
100%
7%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
99%
99%
100%
100%
100%
100%
100%
100%
100%
100%
100%
PRESSURE
hPa · trend
1009
10091010101110111011101210121012101410161018101910211023102310221023102310211018
TemperatureWind / GustsPrecipitationCloud coverPressure
Nowscroll →
FISH INDEX
69
Temperature
Warm
Wind
Light
Pressure
Stable
Moon Phase
Average
DAYLIGHT
SUNRISE
05:52 AM
SUNSET
08:33 PM
14H 41M OF DAYLIGHT
MOON PHASE
Waning Crescent
24% illuminated

Station Location

38.4906, -76.9271
Loading map…
DATA · USGS · NOAA · NWSUPDATED 2026-07-10 00:00 UTC
Site #01660920·USGS

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