Waterlands
Soper Branch
USGS · 01643395
SOPER BRANCH
USGS · 01643395LIVE

SOPER BRANCH AT HYATTSTOWN, MD

MONTGOMERY COUNTY, MD39.2753°N, -77.3037°W Updated 13 hr ago
FLOW RATE
0cfs
AIR TEMP
74°F
WIND
5mph ESE
FISH INDEX
75SCORE / 100
GREAT · 4 OF 5
Flow Rate Historical Avg
MEDIAN FLOW RATE · 1 YEAR
0cfs 78.8% vs avg
Optimal band: 11 cfs
PERIOD HIGH
5cfs
PERIOD LOW
1cfs
RUNNABLE
90%
last 1 year in band
Precipitation History

Precipitation · YTD

Normal

Near-normal year

2026 to date

22.9in

≈ normal

22.88 in of precipitation so far this year — about average for this point in the season (normal 21.97 in).

YTD Total

22.9in

This year so far

Normal to Date

22.0in

30-yr average

Typical Range

17.2–29.5in

10th–90th pct YTD

Departure

+4%

vs 30-yr normal

By Month

This year
Typical range
Normal
Jan: 2.73" · normal 3.09" (1.8–4.8)
Jan
Feb: 2.16" · normal 2.79" (1.7–4.6)
Feb
Mar: 3.93" · normal 3.82" (1.7–5.2)
Mar
Apr: 2.39" · normal 3.54" (1.9–4.9)
Apr
May: 5.53" · normal 3.86" (1.9–6.3)
May
Jun: 3.76" · normal 3.63" (1.7–6.3)
Jun
Jul: 2.38" (so far)· normal 4.07" (2.0–7.4)
Jul
Aug: normal 3.47" (2.0–4.8)
Aug
Sep: normal 4.74" (1.5–8.5)
Sep
Oct: normal 3.50" (1.1–5.3)
Oct
Nov: normal 2.99" (1.4–4.7)
Nov
Dec: normal 3.54" (1.8–5.5)
Dec
Baseline 19912020 · Source: Open-Meteo01:37 PM
Your History · SOPER BRANCH AT HYATTSTOWN, MD

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Weather Conditions
WEATHER CONDITIONS
TODAY
84°
71°
THU
85°
72°
FRI
84°
68°
SAT
85°
66°
SUN
82°
65°
MON
83°
60°
TUE
87°
62°
TIME
WED
2
NOW
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
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
TEMP
hourly forecast
79°
mild
79°
81°
83°
83°
84°
83°
81°
78°
77°
76°
75°
74°
74°
74°
74°
73°
74°
75°
76°
77°
80°
83°
84°
85°
80°
72°
82°
77°
77°
76°
75°
74°
73°
73°
72°
71°
71°
70°
70°
70°
71°
72°
75°
78°
79°
82°
83°
83°
84°
78°
72°
73°
72°
72°
72°
70°
69°
68°
68°
67°
67°
66°
66°
66°
66°
68°
71°
74°
75°
79°
80°
83°
85°
82°
81°
80°
74°
69°
69°
70°
70°
71°
70°
69°
69°
69°
68°
68°
68°
67°
67°
71°
72°
75°
78°
80°
80°
82°
82°
77°
76°
78°
73°
69°
67°
65°
64°
62°
62°
61°
60°
60°
62°
64°
66°
WIND
mph · gust · dir
2mph NW
2
NW
1
G2
ENE
1
G3
SW
1
G2
S
4
G5
SE
4
G5
SSE
3
G6
SE
4
G8
S
7
G13
SSE
8
G14
SSE
7
G13
SSE
7
G13
SSE
8
G16
SSE
8
G20
S
6
G18
SSE
7
G13
S
7
G16
S
6
G15
SSW
8
G15
S
9
G14
S
7
G11
SSW
6
G11
SSW
6
G9
WSW
3
G8
WSW
13
G14
NW
14
G17
NNE
5
G13
SSE
7
G9
W
7
G11
SSW
6
G10
S
4
G12
SW
2
G8
SE
4
G8
SSW
4
G9
SSW
4
G8
SSW
4
G5
SSW
5
G8
SW
5
G9
WSW
4
G14
WSW
4
G17
W
3
G8
W
4
G11
WSW
3
G13
W
4
G10
W
7
G9
W
6
G9
W
6
G11
W
7
G12
WNW
8
G14
WNW
13
G23
NW
12
G18
NW
3
G11
N
3
G6
NW
3
G6
W
3
G7
WSW
3
G7
NW
2
N
2
G3
NW
3
NW
4
NW
3
WNW
3
WSW
4
W
4
WNW
4
WNW
4
G5
WNW
5
G7
NW
5
NNW
4
G5
WNW
5
NW
4
NNW
3
G5
NNW
2
G4
NNW
5
NW
3
NW
2
G4
ENE
8
NNE
7
N
5
G9
NNW
3
G13
NW
1
G7
WNW
3
G4
ENE
4
G5
N
5
NNE
6
NE
5
G6
ENE
4
G7
ENE
4
G9
E
7
G12
SE
7
G12
ESE
5
G11
ESE
9
G12
ESE
9
G12
ESE
9
G12
ESE
10
G12
ESE
10
G11
ESE
10
G11
ESE
10
ESE
9
G11
E
7
G11
E
5
G17
ESE
7
G20
E
7
G23
ESE
7
G25
ESE
7
G25
ESE
6
G24
SE
5
G20
ESE
3
G15
E
3
G11
NE
4
G8
NNE
4
G5
NNE
5
NNE
5
NNE
5
NNE
5
NE
PRECIP
chance %
3%
3%
3%
1%
1%
1%
1%
1%
1%
1%
1%
3%
3%
4%
10%
11%
18%
16%
13%
10%
7%
9%
12%
12%
16%
26%
37%
37%
38%
35%
22%
25%
8%
8%
8%
8%
8%
8%
1%
1%
1%
1%
1%
1%
15%
15%
15%
15%
15%
15%
64%
64%
64%
64%
64%
64%
23%
23%
23%
23%
23%
23%
14%
14%
14%
14%
14%
14%
9%
9%
9%
9%
9%
9%
22%
22%
22%
22%
22%
22%
4%
4%
4%
4%
4%
4%
0%
0%
0%
0%
0%
0%
4%
4%
4%
4%
4%
4%
7%
7%
7%
7%
7%
7%
7%
7%
7%
7%
7%
7%
13%
13%
13%
13%
13%
13%
CLOUDS
cover %
100%
overcast
100%
100%
39%
100%
4%
100%
100%
50%
100%
100%
71%
8%
93%
100%
41%
34%
100%
80%
84%
85%
36%
20%
84%
100%
100%
90%
98%
100%
100%
36%
51%
18%
39%
69%
8%
50%
76%
90%
76%
100%
98%
100%
78%
19%
100%
68%
100%
100%
100%
100%
100%
100%
100%
100%
87%
75%
10%
0%
12%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
77%
95%
86%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
7%
43%
66%
0%
16%
100%
100%
33%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
1%
3%
4%
PRESSURE
hPa · trend
1003
10031001100110019999989979989989991000100210011001100210051005100710081011
TemperatureWind / GustsPrecipitationCloud coverPressure
Nowscroll →
FISH INDEX
75
Temperature
Warm
Wind
Light
Pressure
Stable
Moon Phase
Good
DAYLIGHT
SUNRISE
05:50 AM
SUNSET
08:38 PM
14H 48M OF DAYLIGHT
MOON PHASE
Last Quarter
38% illuminated

Station Location

39.2753, -77.3037
Loading map…
DATA · USGS · NOAA · NWSUPDATED 2026-07-08 00:00 UTC
Site #01643395·USGS

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