Waterlands
Little Seneca Creek
USGS · 01644371
LITTLE SENECA CREEK
USGS · 01644371LIVE

LITTLE SENECA CREEK TRIBUTARY NEAR CLARKSBURG, MD

MONTGOMERY COUNTY, MD39.2315°N, -77.2557°W Updated 19 hr ago
FLOW RATE
0cfs
AIR TEMP
97°F
WIND
6mph W
FISH INDEX
69SCORE / 100
GREAT · 4 OF 5
Flow Rate Historical Avg
MEDIAN FLOW RATE · 7 DAY
0cfs 100.0% vs avg
Precipitation History

Precipitation · YTD

Wet

Wetter than normal

2026 to date

20.9in

+34% vs normal

20.94 in of precipitation so far this year, 34% above the 30-year normal of 15.59 in for this point in the season.

YTD Total

20.9in

This year so far

Normal to Date

15.6in

30-yr average

Typical Range

0.0–26.4in

10th–90th pct YTD

Departure

+34%

vs 30-yr normal

By Month

This year
Typical range
Normal
Jan: 2.87" · normal 2.34" (0.0–4.0)
Jan
Feb: 2.32" · normal 2.19" (0.0–4.3)
Feb
Mar: 3.63" · normal 2.89" (0.0–5.2)
Mar
Apr: 3.02" · normal 2.52" (0.0–5.0)
Apr
May: 5.27" · normal 3.08" (0.0–6.3)
May
Jun: 3.82" · normal 2.48" (0.0–5.0)
Jun
Jul: 0.01" (so far)· normal 3.27" (0.0–6.9)
Jul
Aug: normal 2.80" (0.0–4.7)
Aug
Sep: normal 3.56" (0.0–8.3)
Sep
Oct: normal 2.68" (0.0–5.3)
Oct
Nov: normal 2.22" (0.0–4.5)
Nov
Dec: normal 2.69" (0.0–5.6)
Dec
Baseline 19912020 · Source: Open-Meteo05:55 PM
Your History · LITTLE SENECA CREEK TRIBUTARY NEAR CLARKSBURG, MD

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Weather Conditions
WEATHER CONDITIONS
TODAY
99°
72°
THU
105°
80°
FRI
101°
73°
SAT
94°
72°
SUN
96°
69°
MON
88°
68°
TUE
84°
63°
TIME
WED
7
NOW
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
9
am
10
am
11
am
12
pm
1
pm
2
pm
TEMP
hourly forecast
98°
mild
98°
94°
90°
88°
85°
84°
82°
81°
80°
80°
80°
80°
82°
87°
91°
95°
97°
100°
102°
103°
104°
105°
105°
105°
104°
99°
94°
90°
88°
87°
85°
86°
83°
82°
82°
80°
82°
85°
86°
89°
92°
94°
96°
98°
100°
101°
101°
101°
94°
88°
75°
73°
74°
72°
73°
73°
73°
74°
72°
72°
74°
78°
81°
85°
88°
90°
91°
92°
94°
94°
94°
82°
83°
82°
76°
73°
72°
72°
71°
71°
71°
70°
69°
69°
71°
75°
79°
84°
87°
90°
93°
94°
96°
96°
72°
70°
71°
69°
70°
69°
69°
69°
69°
69°
69°
69°
68°
68°
70°
74°
76°
79°
81°
83°
85°
86°
WIND
mph · gust · dir
10mph WNW
G 12 mph
10
G12
WNW
6
G10
NW
6
G9
NW
6
G12
NW
5
G6
NW
7
WNW
3
W
4
W
6
WNW
7
G10
WNW
7
G13
WNW
7
G12
WNW
6
G10
WNW
8
G14
WNW
8
G15
NW
7
G13
NW
7
G8
NNW
6
G9
NNW
4
G8
NW
4
G12
WNW
6
G13
SW
4
G11
NW
10
G13
W
9
G12
W
5
G9
WSW
5
G7
W
7
G13
NW
4
G5
SW
7
G10
WNW
7
G13
NW
7
G12
WNW
9
G15
NW
5
G11
WNW
6
G11
WNW
7
G12
WNW
6
G10
NW
5
G7
NW
5
G7
NNW
4
G7
NNW
3
G6
NW
4
G7
WNW
5
G9
W
7
G10
NW
5
G11
WNW
5
G11
NW
7
G12
NW
5
G12
WNW
3
G7
N
7
G10
NNE
5
G9
N
13
G33
WSW
7
G25
SW
6
G12
W
7
G11
NW
9
G27
WNW
10
G30
WNW
11
G28
WNW
9
G24
WNW
6
G11
WNW
6
G7
NW
5
G6
NW
6
NW
7
NW
6
NW
6
NW
7
NW
8
NW
6
G7
NW
5
G7
NW
4
G7
NNW
3
G6
N
13
S
2
G38
SSE
6
G11
WSW
8
SW
4
G5
WSW
5
G10
SW
5
G11
SSW
3
SW
5
S
4
SSW
4
G6
WSW
4
WSW
4
SW
4
SSW
5
SW
4
G6
SW
5
G7
SW
5
G7
WSW
5
G6
SW
4
G5
WSW
4
G6
SW
3
G5
SW
7
ESE
32
WSW
9
G41
NNW
1
G20
W
4
G15
SSW
4
G13
W
6
NW
5
WNW
5
NNW
2
G7
WNW
5
G8
SSW
5
G7
SW
2
G5
SW
4
SW
4
WSW
5
W
6
WNW
9
NW
11
NW
13
NW
13
NW
12
NW
11
NW
PRECIP
chance %
1%
1%
1%
1%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
1%
0%
0%
0%
0%
1%
1%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
6%
6%
6%
6%
6%
6%
7%
7%
7%
7%
7%
7%
2%
2%
2%
2%
2%
2%
1%
1%
1%
1%
1%
1%
48%
48%
48%
48%
48%
48%
34%
34%
34%
34%
34%
34%
6%
6%
6%
6%
6%
6%
2%
2%
2%
2%
2%
2%
70%
70%
70%
70%
70%
70%
54%
54%
54%
54%
54%
54%
16%
16%
16%
16%
16%
16%
15%
15%
15%
15%
15%
15%
CLOUDS
cover %
5%
clear
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%
39%
0%
0%
0%
0%
0%
11%
78%
12%
11%
6%
7%
12%
11%
5%
6%
6%
0%
0%
100%
100%
13%
100%
100%
100%
100%
21%
100%
76%
31%
78%
100%
100%
100%
46%
41%
53%
22%
13%
74%
21%
100%
100%
100%
100%
100%
100%
99%
74%
12%
15%
15%
22%
39%
25%
21%
68%
17%
21%
19%
84%
19%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
86%
91%
99%
100%
89%
72%
55%
PRESSURE
hPa · trend
997
997997999999997997998998995998996997995996995995995994995996
TemperatureWind / GustsPrecipitationCloud coverPressure
Nowscroll →
FISH INDEX
69
Temperature
Too Hot
Wind
Light
Pressure
Stable
Moon Phase
Peak Activity
DAYLIGHT
SUNRISE
05:46 AM
SUNSET
08:39 PM
14H 53M OF DAYLIGHT1H 16M REMAINING
MOON PHASE
Full Moon
96% illuminated
PEAK ACTIVITY

Station Location

39.2315, -77.2557
Loading map…
DATA · USGS · NOAA · NWSUPDATED 2026-07-01 19:23 UTC
Site #01644371·USGS

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