Waterlands
L Pax Riv Trib River
USGS · 01593450
L PAX RIV TRIB RIVER
USGS · 01593450LIVE

L Pax Riv Trib above Lake Elkhorn nr Guilford, MD

COLUMBIA, MD39.1879°N, -76.8307°W
AIR TEMP
93°F
WIND
6mph SW
FISH INDEX
50SCORE / 100
GOOD · 3 OF 5
Flow Rate Historical Avg
MEDIAN FLOW RATE · 1 DAY
cfs
No flow data available
Precipitation History

Precipitation · YTD

Normal

Near-normal year

2026 to date

19.8in

≈ normal

19.83 in of precipitation so far this year — about average for this point in the season (normal 21.63 in).

YTD Total

19.8in

This year so far

Normal to Date

21.6in

30-yr average

Typical Range

17.6–26.6in

10th–90th pct YTD

Departure

-8%

vs 30-yr normal

By Month

This year
Typical range
Normal
Jan: 3.04" · normal 3.17" (1.9–4.8)
Jan
Feb: 2.11" · normal 2.90" (1.9–4.6)
Feb
Mar: 3.62" · normal 4.07" (1.8–5.9)
Mar
Apr: 2.54" · normal 3.53" (2.1–5.3)
Apr
May: 5.02" · normal 3.95" (2.1–6.0)
May
Jun: 3.48" · normal 3.90" (1.8–7.0)
Jun
Jul: 0.02" (so far)· normal 4.45" (2.3–7.1)
Jul
Aug: normal 4.11" (2.1–6.5)
Aug
Sep: normal 4.85" (1.7–8.1)
Sep
Oct: normal 3.68" (1.5–5.8)
Oct
Nov: normal 3.06" (1.2–5.1)
Nov
Dec: normal 3.77" (1.9–5.9)
Dec
Baseline 19912020 · Source: Open-Meteo11:53 PM
Your History · L Pax Riv Trib above Lake Elkhorn nr Guilford, MD

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Weather Conditions
WEATHER CONDITIONS
TODAY
97°
72°
THU
104°
78°
FRI
102°
75°
SAT
97°
76°
SUN
98°
73°
MON
89°
71°
TUE
83°
72°
TIME
THU
12
NOW
1
am
2
am
3
am
4
am
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am
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am
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11
pm
FRI
12
am
1
am
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8
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pm
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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
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11
am
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pm
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2
pm
3
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6
pm
7
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8
pm
9
pm
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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
TEMP
hourly forecast
83°
mild
83°
82°
81°
80°
78°
78°
78°
80°
85°
90°
93°
96°
98°
101°
103°
104°
104°
104°
104°
103°
97°
92°
90°
89°
87°
86°
84°
82°
81°
80°
79°
82°
88°
93°
96°
98°
100°
101°
101°
101°
101°
102°
102°
100°
95°
81°
79°
75°
78°
78°
77°
77°
78°
77°
77°
76°
80°
84°
89°
92°
95°
96°
97°
97°
97°
97°
97°
88°
83°
79°
81°
81°
82°
76°
76°
77°
76°
76°
76°
77°
81°
84°
88°
91°
94°
96°
98°
98°
96°
96°
94°
88°
74°
73°
74°
74°
73°
73°
73°
73°
72°
72°
71°
72°
74°
76°
78°
80°
83°
85°
89°
88°
87°
85°
84°
WIND
mph · gust · dir
5mph SSW
G 8 mph
5
G8
SSW
6
G14
SSW
6
G13
SW
5
G11
SW
5
G12
WSW
5
G12
W
5
G11
W
5
G9
WNW
7
G17
NW
9
G17
NNW
8
G11
NW
5
G7
NW
6
G8
NW
3
G7
NW
1
G4
NE
6
WSW
6
G12
SW
5
G12
WSW
7
G11
SW
5
G10
WSW
8
G14
SSE
6
G13
SE
5
G9
S
5
G10
S
6
G11
SW
5
G7
WSW
3
G7
WSW
3
G7
SW
4
G7
SW
5
G10
W
5
G9
W
4
G9
WSW
7
G15
WNW
8
G15
NW
8
G13
NNW
6
G14
NNW
6
G12
NW
8
G12
WNW
9
G12
WNW
8
G13
WNW
6
G13
W
3
G13
W
2
G11
W
3
G8
NE
7
WSW
11
WSW
9
G28
WNW
7
G22
NW
5
G19
WNW
11
G23
WSW
8
G30
WNW
7
G30
WNW
8
G23
WNW
6
G21
WNW
5
G16
WNW
5
G12
W
6
G9
WNW
5
G8
WNW
4
G8
W
5
G7
W
6
G7
W
9
WNW
10
WNW
9
WNW
7
G9
NW
6
G8
NW
5
G8
NW
16
W
13
W
11
G22
W
7
G17
NNW
6
G14
SSW
5
G7
SW
5
W
5
G9
NW
3
G10
N
2
G8
E
3
G9
SSE
1
G11
W
2
G10
NNW
1
G9
NW
1
G10
NW
2
G8
N
1
G8
SE
2
G7
WSW
2
G8
WNW
4
G8
WNW
7
G10
WNW
8
NW
6
G7
NNW
2
G36
SE
7
G28
SSW
4
G7
NNW
3
G12
N
5
G15
ESE
10
G17
ESE
9
SE
3
G5
ESE
3
G8
NE
2
G5
E
1
G10
N
3
G11
E
5
G9
ESE
5
G11
ESE
7
G13
E
7
G13
ESE
6
G14
ESE
5
G14
ESE
5
G15
SE
3
G15
SSE
3
G15
SE
4
G16
SE
6
G17
SE
8
G18
SE
9
G19
ESE
PRECIP
chance %
0%
0%
1%
1%
1%
1%
1%
0%
0%
1%
0%
0%
0%
0%
0%
0%
0%
0%
0%
1%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
5%
5%
5%
5%
5%
5%
8%
8%
8%
8%
8%
8%
2%
2%
2%
2%
2%
2%
1%
1%
1%
1%
1%
1%
33%
33%
33%
33%
33%
33%
42%
42%
42%
42%
42%
42%
10%
10%
10%
10%
10%
10%
2%
2%
2%
2%
2%
2%
65%
65%
65%
65%
65%
65%
56%
56%
56%
56%
56%
56%
14%
14%
14%
14%
14%
14%
16%
16%
16%
16%
16%
16%
52%
52%
52%
52%
CLOUDS
cover %
11%
clear
11%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
1%
0%
0%
4%
0%
0%
3%
11%
10%
14%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
45%
2%
0%
0%
0%
0%
0%
0%
0%
0%
100%
100%
100%
100%
34%
100%
100%
100%
100%
100%
100%
27%
72%
31%
12%
17%
61%
26%
19%
15%
12%
19%
38%
100%
100%
100%
100%
100%
100%
83%
19%
22%
100%
100%
79%
100%
100%
100%
100%
100%
100%
95%
82%
100%
100%
69%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
87%
100%
100%
100%
100%
100%
96%
98%
100%
100%
90%
PRESSURE
hPa · trend
1005
10051006100610041005100510051002100510031004100110041002100210001001100210021001
TemperatureWind / GustsPrecipitationCloud coverPressure
Nowscroll →
FISH INDEX
50
Temperature
Too Hot
Wind
Light
Pressure
Rising — Slow
Moon Phase
Average
DAYLIGHT
SUNRISE
05:44 AM
SUNSET
08:37 PM
14H 53M OF DAYLIGHT0H 0M REMAINING
MOON PHASE
Waning Gibbous
96% illuminated

Station Location

39.1879, -76.8307
Loading map…
DATA · USGS · NOAA · NWSUPDATED 2026-07-01 23:52 UTC
Site #01593450·USGS

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