Waterlands
Arrowhead Run
USGS · 03075850
ARROWHEAD RUN
USGS · 03075850LIVE

ARROWHEAD RUN AT THAYERVILLE, MD

GARRETT COUNTY, MD39.5027°N, -79.3272°W Updated 21 min ago
FLOW RATE
1.65cfs
GAUGE HT
2.85ft
AIR TEMP
63°F
WIND
10mph NW
FISH INDEX
69SCORE / 100
GREAT · 4 OF 5
Flow Rate Historical Avg
MEDIAN FLOW RATE · 1 DAY
1.65cfs 145.8% vs avg
Optimal band: 00 cfs
PERIOD HIGH
18.5cfs
PERIOD LOW
0.24cfs
RUNNABLE
0%
last 1 day in band

Gauge Height

2.85ft
Precipitation History

Precipitation · YTD

Dry

Drier than normal

2026 to date

20.5in

-19% vs normal

20.52 in of precipitation so far this year, 19% below the 30-year normal of 25.33 in for this point in the season.

YTD Total

20.5in

This year so far

Normal to Date

25.3in

30-yr average

Typical Range

20.2–30.1in

10th–90th pct YTD

Departure

-19%

vs 30-yr normal

By Month

This year
Typical range
Normal
Jan: 3.67" · normal 3.80" (2.1–5.5)
Jan
Feb: 1.92" · normal 3.59" (1.9–6.0)
Feb
Mar: 3.82" · normal 4.46" (2.6–6.3)
Mar
Apr: 3.30" · normal 4.56" (2.7–6.5)
Apr
May: 4.51" · normal 5.21" (3.1–7.0)
May
Jun: 3.31" (so far)· normal 4.58" (2.6–6.4)
Jun
Jul: normal 4.02" (2.5–5.7)
Jul
Aug: normal 3.27" (1.9–4.7)
Aug
Sep: normal 4.10" (1.5–8.2)
Sep
Oct: normal 3.48" (1.2–5.5)
Oct
Nov: normal 3.31" (1.5–4.7)
Nov
Dec: normal 3.79" (2.2–5.3)
Dec
Baseline 19912020 · Source: Open-Meteo05:36 PM
SPONSORED
Weather Conditions
WEATHER CONDITIONS
TODAY
67°
56°
WED
71°
49°
THU
79°
55°
FRI
68°
60°
SAT
72°
62°
SUN
78°
60°
MON
81°
59°
TIME
TUE
6
NOW
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
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
TEMP
hourly forecast
66°
mild
66°
65°
62°
59°
57°
56°
54°
53°
52°
51°
51°
50°
49°
51°
57°
61°
63°
65°
66°
68°
69°
70°
71°
71°
70°
70°
67°
63°
61°
59°
58°
57°
56°
56°
55°
55°
55°
57°
63°
69°
72°
74°
76°
77°
78°
79°
79°
79°
77°
74°
69°
65°
64°
63°
61°
60°
61°
61°
61°
61°
61°
62°
64°
66°
67°
68°
66°
66°
65°
64°
63°
64°
65°
65°
65°
64°
65°
65°
65°
66°
66°
65°
65°
65°
65°
65°
65°
65°
65°
65°
66°
67°
67°
70°
71°
72°
71°
70°
68°
65°
63°
62°
62°
61°
61°
61°
60°
61°
62°
63°
65°
67°
68°
70°
72°
WIND
mph · gust · dir
10mph NW
G 17 mph
10
G17
NW
9
G18
NW
7
G20
NW
5
G11
WNW
5
G13
NW
6
G13
NW
5
G12
NW
5
G11
NW
5
G11
NW
5
G9
WNW
5
G8
WNW
4
G6
W
4
W
3
W
1
G8
NNW
2
G7
NNE
3
G6
N
4
G6
NNW
5
G6
WNW
4
G6
WNW
5
G7
WNW
5
G7
WNW
5
G6
WNW
5
G7
W
5
G8
WSW
5
G8
W
3
G8
W
4
G5
WNW
4
NNW
4
G5
ENE
3
G5
E
3
G5
E
1
G3
NE
2
G4
ENE
1
G2
NNW
2
NNW
2
G4
S
3
G6
S
4
G12
SW
7
G16
WSW
9
G14
WSW
10
G15
WSW
10
G14
WSW
10
G15
WSW
10
G16
WSW
11
G17
WSW
11
G17
WSW
11
G17
WSW
9
G19
WSW
9
G21
W
6
G18
W
4
G5
W
2
G3
WNW
3
G7
NNW
3
G10
NW
3
W
3
SW
3
SW
5
WSW
3
WSW
2
SW
3
G4
SW
2
G3
SSW
2
G3
WSW
3
SW
5
G11
W
5
G11
W
6
G15
WSW
5
G11
S
6
G15
SSW
9
G27
SSW
7
G25
SSW
7
G26
S
9
G28
SW
5
G18
SSW
3
S
10
G26
SSW
7
G20
SW
4
G20
SW
6
G26
W
8
G27
WSW
12
G29
WSW
11
G30
WSW
10
G27
WSW
11
G26
WSW
10
G25
WSW
9
G23
WSW
5
G19
WSW
8
G21
W
9
G20
W
9
G19
W
7
G18
WNW
8
G18
W
9
G16
WNW
8
G14
WNW
8
G12
WNW
7
G12
NW
5
G12
NW
4
G6
NW
1
W
1
SW
2
SSE
3
S
2
SSE
2
SSE
2
SSE
1
SSE
1
SSE
1
SE
1
ESE
2
ESE
3
E
4
E
4
E
5
ESE
PRECIP
chance %
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%
1%
1%
0%
1%
0%
0%
0%
0%
0%
0%
0%
0%
1%
1%
1%
1%
1%
1%
6%
6%
6%
6%
6%
6%
19%
19%
19%
19%
19%
19%
40%
40%
40%
40%
40%
40%
51%
51%
51%
51%
51%
51%
72%
72%
72%
72%
72%
72%
82%
82%
82%
82%
82%
82%
81%
81%
81%
81%
81%
81%
66%
66%
66%
66%
66%
66%
63%
63%
63%
63%
63%
63%
16%
16%
16%
16%
16%
16%
15%
15%
15%
15%
15%
15%
20%
20%
20%
20%
CLOUDS
cover %
4%
clear
4%
83%
0%
0%
0%
1%
0%
0%
0%
0%
0%
0%
0%
0%
0%
100%
0%
4%
2%
4%
26%
7%
6%
35%
1%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
6%
45%
53%
100%
5%
10%
100%
11%
100%
100%
19%
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%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
77%
96%
100%
100%
100%
100%
40%
28%
51%
67%
8%
8%
8%
49%
57%
7%
100%
17%
19%
28%
33%
28%
PRESSURE
hPa · trend
930
930929929932932930929930928929930931929928927928928931931932
TemperatureWind / GustsPrecipitationCloud coverPressure
Nowscroll →
FISH INDEX
69
Temperature
Ideal
Wind
Moderate
Pressure
Rising — Slow
Moon Phase
Good
DAYLIGHT
SUNRISE
05:50 AM
SUNSET
08:48 PM
14H 58M OF DAYLIGHT3H 12M REMAINING
MOON PHASE
First Quarter
61% illuminated

Station Location

39.5027, -79.3272
Loading map…
DATA · USGS · NOAA · NWSUPDATED 2026-06-23 17:36 UTC
Site #03075850·USGS

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