Waterlands
Calf Run
USGS · 01480017
CALF RUN
USGS · 01480017LIVE

CALF RUN AT MARSHALLTON, DE

NEW CASTLE COUNTY, DE39.7274°N, -75.6519°W Updated 13 hr ago
FLOW RATE
0cfs
AIR TEMP
72°F
WIND
2mph SSE
FISH INDEX
75SCORE / 100
GREAT · 4 OF 5
Flow Rate Historical Avg
MEDIAN FLOW RATE · 7 DAY
0cfs 92.2% vs avg
Optimal band: 11 cfs
PERIOD HIGH
1cfs
PERIOD LOW
1cfs
RUNNABLE
100%
last 7 day in band
Precipitation History

Precipitation · YTD

Dry

Drier than normal

2026 to date

18.0in

-16% vs normal

17.96 in of precipitation so far this year, 16% below the 30-year normal of 21.49 in for this point in the season.

YTD Total

18.0in

This year so far

Normal to Date

21.5in

30-yr average

Typical Range

16.8–27.4in

10th–90th pct YTD

Departure

-16%

vs 30-yr normal

By Month

This year
Typical range
Normal
Jan: 2.85" · normal 3.31" (2.3–4.4)
Jan
Feb: 2.30" · normal 3.02" (1.5–4.8)
Feb
Mar: 4.20" · normal 4.20" (2.1–6.3)
Mar
Apr: 2.02" · normal 3.74" (2.0–6.0)
Apr
May: 3.98" · normal 3.66" (2.0–5.5)
May
Jun: 2.62" (so far)· normal 4.15" (2.1–7.0)
Jun
Jul: normal 4.04" (2.0–5.9)
Jul
Aug: normal 4.05" (1.7–7.3)
Aug
Sep: normal 4.46" (1.6–6.6)
Sep
Oct: normal 3.78" (1.9–5.9)
Oct
Nov: normal 3.11" (1.6–4.8)
Nov
Dec: normal 4.05" (1.9–5.9)
Dec
Baseline 19912020 · Source: Open-Meteo01:21 PM
Your History · CALF RUN AT MARSHALLTON, DE

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Weather Conditions
WEATHER CONDITIONS
TODAY
86°
61°
FRI
88°
68°
SAT
75°
64°
SUN
84°
67°
MON
88°
68°
TUE
88°
66°
WED
84°
70°
TIME
THU
1
NOW
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
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
TEMP
hourly forecast
85°
mild
85°
86°
86°
86°
86°
82°
80°
77°
74°
73°
72°
70°
69°
70°
69°
68°
68°
69°
70°
72°
74°
74°
77°
80°
84°
87°
88°
88°
88°
88°
88°
85°
82°
80°
79°
75°
71°
67°
64°
65°
65°
65°
65°
65°
65°
67°
68°
69°
73°
71°
72°
72°
72°
71°
71°
69°
69°
68°
68°
68°
68°
68°
67°
67°
67°
67°
68°
69°
73°
75°
79°
81°
82°
83°
82°
83°
84°
81°
77°
73°
71°
71°
71°
70°
68°
68°
69°
69°
69°
69°
70°
73°
76°
79°
82°
82°
84°
87°
88°
87°
84°
78°
76°
75°
73°
71°
70°
69°
69°
68°
67°
66°
66°
67°
69°
72°
WIND
mph · gust · dir
6mph SSW
G 10 mph
6
G10
SSW
7
G10
SSW
8
G10
SW
8
G11
SW
8
G11
S
12
G17
SSE
11
G19
SSE
8
G20
SE
4
G15
ESE
3
G8
E
3
G13
ESE
2
G10
SSW
2
G11
WSW
2
G16
SE
4
G15
SE
3
G10
ESE
3
G7
E
3
G5
N
2
NE
4
G11
SSW
5
G10
SSW
4
G12
SW
4
G13
WSW
8
G13
W
7
G15
W
9
G17
W
7
G18
WSW
8
G18
SW
7
G17
SW
7
G17
SSW
6
G13
SW
3
G6
SSW
3
G5
SSW
6
NW
4
G7
ENE
3
G5
ENE
6
G9
ESE
5
ESE
6
G8
NE
6
G8
ENE
3
G5
E
5
G6
ENE
4
G7
E
3
G5
ENE
5
G9
NNE
5
G8
NNE
4
G7
NNE
4
G7
NE
3
G6
NNE
4
G6
NNE
5
G6
NNE
5
NNE
6
NNE
5
NE
6
NE
5
NE
5
NNE
4
NNE
4
NE
3
ENE
2
G3
NE
4
G6
N
4
G7
N
4
G7
N
4
G6
NNE
4
G5
NNE
4
G8
NE
5
G7
NE
4
G7
NE
4
G7
NE
4
G5
NE
4
G5
NE
5
NNE
5
NNE
3
N
3
G6
NNW
3
N
2
G3
ESE
6
SE
6
SSE
4
G6
S
4
G10
S
5
G7
SSE
4
G7
SSW
3
G5
SSW
3
S
3
SSW
2
G5
SW
2
G3
WNW
1
G3
WNW
1
G6
NNE
1
G7
NNE
2
G7
NE
3
G7
NE
1
G6
E
1
G5
ENE
3
G5
ENE
1
G5
NE
1
G4
S
1
G4
S
4
E
8
G13
ESE
8
G18
SSE
8
G18
SSE
7
G17
SSE
5
G14
SSE
4
G11
SSE
4
G9
S
4
G6
S
4
SSW
3
SW
3
WSW
3
WSW
3
WSW
4
SW
5
SSW
PRECIP
chance %
0%
0%
0%
0%
0%
1%
1%
1%
1%
2%
2%
3%
5%
6%
7%
9%
12%
5%
5%
3%
3%
2%
2%
2%
2%
2%
6%
4%
3%
5%
12%
8%
27%
51%
51%
51%
51%
51%
51%
81%
81%
81%
81%
81%
81%
78%
78%
78%
78%
78%
78%
59%
59%
59%
59%
59%
59%
23%
23%
23%
23%
23%
23%
10%
10%
10%
10%
10%
10%
7%
7%
7%
7%
7%
7%
6%
6%
6%
6%
6%
6%
2%
2%
2%
2%
2%
2%
1%
1%
1%
1%
1%
1%
1%
1%
1%
1%
1%
1%
1%
1%
1%
1%
1%
1%
1%
1%
1%
1%
1%
1%
2%
2%
2%
2%
2%
2%
CLOUDS
cover %
23%
few
23%
27%
98%
56%
42%
100%
0%
0%
0%
0%
0%
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%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
98%
100%
52%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
46%
100%
100%
0%
57%
100%
100%
100%
100%
100%
17%
15%
0%
5%
5%
5%
8%
100%
88%
100%
100%
100%
100%
45%
6%
6%
7%
7%
5%
3%
1%
3%
11%
23%
32%
PRESSURE
hPa · trend
1015
10151013101410151016101410151014101410121012101210121012101410161016101710171018
TemperatureWind / GustsPrecipitationCloud coverPressure
Nowscroll →
FISH INDEX
75
Temperature
Warm
Wind
Calm
Pressure
Stable
Moon Phase
Average
DAYLIGHT
SUNRISE
05:36 AM
SUNSET
08:34 PM
14H 58M OF DAYLIGHT7H 13M REMAINING
MOON PHASE
Waxing Gibbous
79% illuminated

Station Location

39.7274, -75.6519
Loading map…
DATA · USGS · NOAA · NWSUPDATED 2026-06-25 13:21 UTC
Site #01480017·USGS

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