Waterlands
Little Seneca Creek
USGS · 01644375
LITTLE SENECA CREEK
USGS · 01644375LIVE

LITTLE SENECA CREEK TRIBUTARY NEAR GERMANTOWN, MD

MARYLAND39.1994°N, -77.2754°W Updated 2 hr ago
FLOW RATE
0cfs
AIR TEMP
87°F
WIND
4mph SW
FISH INDEX
56SCORE / 100
GOOD · 3 OF 5
Flow Rate Historical Avg
MEDIAN FLOW RATE · 30 DAY
0cfs 27.1% vs avg
Optimal band: 11 cfs
PERIOD HIGH
4cfs
PERIOD LOW
1cfs
RUNNABLE
83%
last 30 day in band
Precipitation History

Precipitation · YTD

Normal

Near-normal year

2026 to date

20.2in

≈ normal

20.24 in of precipitation so far this year — about average for this point in the season (normal 21.28 in).

YTD Total

20.2in

This year so far

Normal to Date

21.3in

30-yr average

Typical Range

16.3–26.6in

10th–90th pct YTD

Departure

-5%

vs 30-yr normal

By Month

This year
Typical range
Normal
Jan: 2.79" · normal 3.12" (1.8–4.8)
Jan
Feb: 2.41" · normal 2.81" (1.7–4.6)
Feb
Mar: 3.74" · normal 3.84" (1.7–5.2)
Mar
Apr: 3.13" · normal 3.62" (1.9–5.3)
Apr
May: 4.85" · normal 3.87" (1.9–6.3)
May
Jun: 3.29" · normal 3.70" (1.7–6.3)
Jun
Jul: 0.03" (so far)· normal 4.09" (2.0–7.6)
Jul
Aug: normal 3.55" (2.0–4.9)
Aug
Sep: normal 4.83" (1.5–8.9)
Sep
Oct: normal 3.51" (1.1–5.3)
Oct
Nov: normal 2.99" (1.4–4.7)
Nov
Dec: normal 3.56" (1.8–5.6)
Dec
Baseline 19912020 · Source: Open-Meteo01:13 AM
Your History · LITTLE SENECA CREEK TRIBUTARY NEAR GERMANTOWN, MD

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Weather Conditions
WEATHER CONDITIONS
TODAY
100°
77°
FRI
104°
80°
SAT
101°
70°
SUN
88°
68°
MON
86°
64°
TUE
88°
67°
WED
81°
67°
TIME
FRI
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
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
8
pm
9
pm
TEMP
hourly forecast
82°
mild
82°
81°
80°
80°
82°
86°
90°
92°
95°
97°
99°
101°
102°
103°
104°
104°
103°
87°
87°
86°
87°
87°
87°
85°
82°
81°
80°
80°
83°
88°
91°
94°
97°
99°
100°
101°
86°
77°
78°
74°
73°
72°
71°
71°
70°
70°
69°
70°
69°
70°
70°
71°
72°
73°
76°
79°
82°
84°
87°
88°
88°
88°
85°
83°
72°
68°
68°
68°
68°
67°
68°
67°
68°
68°
67°
68°
69°
70°
71°
71°
74°
73°
75°
76°
80°
85°
86°
76°
64°
68°
68°
68°
68°
68°
68°
67°
67°
67°
67°
68°
70°
73°
76°
79°
82°
83°
86°
87°
88°
88°
88°
85°
81°
78°
76°
WIND
mph · gust · dir
6mph WNW
G 14 mph
6
G14
WNW
6
G14
WNW
6
G12
NW
6
G12
NW
5
G10
NW
6
G15
NW
5
G11
NW
5
G7
NW
4
G8
WNW
6
G12
W
7
G15
W
6
G14
W
7
G15
W
7
G15
WSW
9
G17
WSW
9
G16
W
10
G15
WNW
7
G9
S
4
G9
WSW
4
G8
W
6
G13
WNW
8
G15
NW
9
G16
NW
5
G13
NW
5
G10
WNW
5
G10
WNW
5
G10
NW
6
G9
NNW
3
G5
NNW
3
G7
NNW
1
G5
NNW
3
G6
WSW
5
G12
W
5
G15
W
6
G17
W
4
G15
SW
31
G54
W
15
G24
NE
7
G12
SE
17
G27
WSW
10
G19
S
5
G16
S
4
NE
2
NE
1
G3
SSW
5
S
7
G16
SW
7
G20
SW
5
G17
WSW
6
G9
NW
5
NW
6
G9
WNW
5
G11
NW
5
G17
NNW
4
G7
ENE
6
G7
ESE
5
E
4
E
2
E
2
E
3
ESE
4
ESE
3
G4
SE
1
WNW
15
G28
WNW
4
NE
6
G9
ESE
10
G21
S
2
G6
S
1
SW
5
G11
SSW
1
G2
S
6
G11
SSE
5
G9
SSE
3
ESE
4
SE
4
G8
SE
5
G9
SE
7
G11
SSE
6
G10
SE
6
G11
SSE
3
G9
SE
6
G11
SE
7
G13
SSE
6
G11
SSE
7
G11
SSE
5
G8
SE
13
G22
WNW
4
G10
S
11
G17
SE
8
G15
SE
7
G14
SSE
6
G15
SW
4
G10
W
4
G9
WSW
5
G10
WSW
6
G14
SW
5
G13
WSW
5
G11
WSW
5
G7
WNW
4
G14
WNW
6
G13
WNW
6
G12
WNW
7
G13
NW
10
G14
WNW
11
G15
NW
10
G15
NW
8
G15
WNW
9
G15
W
10
G14
W
10
G14
W
8
G16
W
7
G18
NW
8
G20
NNW
8
G19
NNW
PRECIP
chance %
0%
0%
0%
0%
0%
1%
1%
0%
0%
0%
0%
0%
1%
1%
1%
2%
2%
2%
2%
8%
9%
3%
1%
1%
1%
1%
1%
2%
1%
2%
2%
1%
1%
1%
1%
1%
1%
38%
38%
38%
38%
38%
38%
55%
55%
55%
55%
55%
55%
17%
17%
17%
17%
17%
17%
7%
7%
7%
7%
7%
7%
76%
76%
76%
76%
76%
76%
64%
64%
64%
64%
64%
64%
48%
48%
48%
48%
48%
48%
30%
30%
30%
30%
30%
30%
75%
75%
75%
75%
75%
75%
67%
67%
67%
67%
67%
67%
34%
34%
34%
34%
34%
34%
14%
14%
14%
14%
14%
14%
39%
39%
39%
39%
39%
39%
31%
CLOUDS
cover %
0%
clear
0%
0%
0%
0%
0%
0%
2%
1%
2%
9%
0%
19%
0%
0%
2%
0%
22%
100%
2%
0%
0%
62%
3%
100%
82%
3%
5%
3%
0%
0%
0%
0%
0%
8%
30%
88%
100%
100%
99%
100%
95%
100%
100%
100%
87%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
99%
84%
100%
84%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
56%
100%
100%
100%
100%
100%
100%
100%
100%
100%
99%
79%
100%
100%
100%
100%
100%
100%
100%
100%
100%
22%
23%
64%
24%
26%
13%
0%
0%
0%
0%
0%
0%
100%
75%
28%
0%
15%
48%
67%
55%
PRESSURE
hPa · trend
1001
100110031000998999100099799999999999910009991000998998996996995997
TemperatureWind / GustsPrecipitationCloud coverPressure
Nowscroll →
FISH INDEX
56
Temperature
Too Hot
Wind
Calm
Pressure
Rising — Slow
Moon Phase
Average
DAYLIGHT
SUNRISE
05:47 AM
SUNSET
08:39 PM
14H 52M OF DAYLIGHT18H 0M REMAINING
MOON PHASE
Waning Gibbous
90% illuminated

Station Location

39.1994, -77.2754
Loading map…
DATA · USGS · NOAA · NWSUPDATED 2026-07-03 02:39 UTC
Site #01644375·USGS

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