Waterlands
Monocacy River
USGS · 01639000
MONOCACY RIVER
USGS · 01639000LIVE

MONOCACY RIVER AT BRIDGEPORT, MD

FREDERICK COUNTY, MD39.6791°N, -77.2345°W Updated 52 min ago
FLOW RATE
17cfs
AIR TEMP
92°F
WIND
4mph WSW
FISH INDEX
63SCORE / 100
GOOD · 3 OF 5
Flow Rate Historical Avg
MEDIAN FLOW RATE · 30 DAY
17cfs 57.5% vs avg
Optimal band: 2028 cfs
PERIOD HIGH
54cfs
PERIOD LOW
17cfs
RUNNABLE
45%
last 30 day in band
Precipitation History

Precipitation · YTD

Normal

Near-normal year

2026 to date

20.0in

≈ normal

20.04 in of precipitation so far this year — about average for this point in the season (normal 20.88 in).

YTD Total

20.0in

This year so far

Normal to Date

20.9in

30-yr average

Typical Range

16.4–26.5in

10th–90th pct YTD

Departure

-4%

vs 30-yr normal

By Month

This year
Typical range
Normal
Jan: 2.55" · normal 3.20" (1.9–5.1)
Jan
Feb: 2.45" · normal 2.78" (1.4–5.1)
Feb
Mar: 3.93" · normal 3.81" (1.8–5.7)
Mar
Apr: 3.32" · normal 3.60" (2.1–5.7)
Apr
May: 4.85" · normal 3.68" (1.6–5.8)
May
Jun: 2.94" · normal 3.51" (1.7–5.8)
Jun
Jul: 0.00" (so far)· normal 3.76" (2.1–6.1)
Jul
Aug: normal 3.17" (1.4–4.8)
Aug
Sep: normal 4.35" (1.4–7.9)
Sep
Oct: normal 3.49" (1.1–5.6)
Oct
Nov: normal 2.98" (1.5–4.5)
Nov
Dec: normal 3.48" (1.7–5.3)
Dec
Baseline 19912020 · Source: Open-Meteo12:52 AM
Your History · MONOCACY RIVER AT BRIDGEPORT, MD

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Weather Conditions
WEATHER CONDITIONS
TODAY
99°
77°
FRI
102°
79°
SAT
98°
70°
SUN
88°
68°
MON
83°
66°
TUE
90°
66°
WED
82°
66°
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
84°
mild
84°
82°
81°
80°
79°
79°
81°
87°
91°
94°
96°
98°
99°
101°
101°
102°
102°
102°
100°
97°
93°
90°
88°
86°
84°
82°
80°
79°
77°
76°
79°
86°
89°
92°
95°
96°
97°
97°
98°
95°
96°
74°
72°
71°
70°
70°
70°
70°
70°
69°
69°
69°
71°
71°
72°
74°
72°
78°
81°
84°
86°
88°
88°
88°
82°
74°
74°
72°
71°
70°
68°
67°
67°
67°
67°
67°
66°
67°
69°
70°
73°
76°
79°
81°
77°
73°
73°
80°
83°
80°
70°
68°
67°
67°
68°
67°
66°
67°
67°
67°
67°
67°
69°
73°
77°
81°
84°
86°
88°
89°
90°
90°
89°
86°
81°
WIND
mph · gust · dir
4mph WNW
G 8 mph
4
G8
WNW
5
G11
W
5
G11
W
3
G10
NW
5
G11
NNW
4
G9
NNW
2
G5
E
5
G13
NW
6
G9
NW
4
G6
NW
5
G12
W
6
G13
W
10
G17
WNW
11
G16
WNW
10
G16
W
10
G17
WNW
9
G14
WNW
9
G17
W
8
G13
WNW
4
G11
WSW
5
G8
WSW
5
G8
W
2
G7
WSW
6
G15
NNW
14
G30
N
7
G18
NNE
4
G9
NNE
1
G3
SW
4
G5
S
5
G9
SSW
3
G7
WNW
5
G14
NW
3
G9
NNW
4
G8
WNW
7
G12
WSW
8
G17
WSW
10
G17
W
9
G16
W
7
G17
WNW
11
G13
WNW
12
W
21
S
14
G22
SW
10
G23
SW
5
G14
SSW
3
WSW
5
G7
S
4
G5
S
5
G7
S
7
SW
6
WSW
4
W
2
G4
NW
4
NW
3
NW
6
NW
7
ENE
6
E
6
E
6
ENE
4
G5
ENE
4
G5
ENE
5
G6
ENE
5
NE
9
NNE
8
NNE
3
G37
NW
5
G8
SW
4
SW
4
G9
SSE
7
SSW
6
SW
5
SW
5
S
3
SSE
4
G7
SSE
1
G7
S
2
G10
ENE
4
G13
SE
5
G12
SSE
7
G10
S
8
G9
S
8
S
11
S
11
S
8
SSW
6
G7
S
8
S
8
S
5
G22
SW
7
G10
SW
11
G32
SSE
7
G13
WSW
3
SSE
6
SSW
6
WSW
4
SW
4
SW
4
SW
4
SW
4
WSW
4
SW
3
W
5
NW
7
NW
8
NW
10
NW
11
WNW
11
WNW
11
WNW
11
WNW
12
WNW
13
WNW
12
NW
10
NW
PRECIP
chance %
0%
0%
1%
1%
1%
1%
1%
1%
1%
1%
0%
0%
0%
0%
1%
1%
2%
2%
2%
2%
2%
2%
3%
2%
2%
2%
2%
2%
1%
4%
3%
4%
1%
1%
1%
1%
1%
1%
1%
30%
30%
30%
30%
30%
30%
51%
51%
51%
51%
51%
51%
12%
12%
12%
12%
12%
12%
10%
10%
10%
10%
10%
10%
77%
77%
77%
77%
77%
77%
65%
65%
65%
65%
65%
65%
57%
57%
57%
57%
57%
57%
50%
50%
50%
50%
50%
50%
76%
76%
76%
76%
76%
76%
65%
65%
65%
65%
65%
65%
38%
38%
38%
38%
38%
38%
22%
22%
22%
22%
22%
22%
39%
39%
39%
39%
39%
CLOUDS
cover %
0%
clear
0%
0%
0%
0%
0%
0%
0%
0%
1%
2%
14%
3%
5%
9%
3%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
15%
59%
100%
18%
0%
1%
0%
0%
0%
82%
100%
85%
100%
90%
100%
56%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
95%
100%
93%
41%
100%
100%
90%
100%
73%
51%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
57%
95%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
48%
100%
100%
100%
100%
100%
100%
63%
50%
46%
37%
41%
35%
33%
27%
27%
0%
0%
0%
27%
60%
0%
10%
24%
32%
28%
19%
PRESSURE
hPa · trend
1004
1004100610041002100310031002100010031002100210021004100310031000100010001000998
TemperatureWind / GustsPrecipitationCloud coverPressure
Nowscroll →
FISH INDEX
63
Temperature
Too Hot
Wind
Calm
Pressure
Stable
Moon Phase
Average
DAYLIGHT
SUNRISE
05:45 AM
SUNSET
08:40 PM
14H 55M OF DAYLIGHT19H 48M REMAINING
MOON PHASE
Waning Gibbous
90% illuminated

Station Location

39.6791, -77.2345
Loading map…
DATA · USGS · NOAA · NWSUPDATED 2026-07-03 00:52 UTC
Site #01639000·USGS

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