Waterlands
Marshallville Ditch River
CO DWR · MSVDITCO
MARSHALLVILLE DITCH RIVER
CO DWR · MSVDITCOLIVE

Marshallville Ditch

BOULDER COUNTY, CO39.9597°N, -105.2318°W Updated 1 d ago
FLOW RATE
0cfs
AIR TEMP
62°F
WIND
7mph NW
FISH INDEX
69SCORE / 100
GREAT · 4 OF 5
Flow Rate Historical Avg
MEDIAN FLOW RATE · 1 YEAR
0cfs
Optimal band: 79 cfs
PERIOD HIGH
13cfs
PERIOD LOW
2cfs
RUNNABLE
33%
last 1 year in band
Precipitation History

Precipitation · YTD

Dry

Drier than normal

2026 to date

9.2in

-34% vs normal

9.17 in of precipitation so far this year, 34% below the 30-year normal of 13.97 in for this point in the season.

YTD Total

9.2in

This year so far

Normal to Date

14.0in

30-yr average

Typical Range

10.2–17.4in

10th–90th pct YTD

Departure

-34%

vs 30-yr normal

By Month

This year
Typical range
Normal
Jan: 0.99" · normal 0.94" (0.4–1.7)
Jan
Feb: 0.54" · normal 1.01" (0.3–1.6)
Feb
Mar: 1.72" · normal 1.98" (1.1–2.9)
Mar
Apr: 1.51" · normal 3.04" (1.4–4.4)
Apr
May: 3.37" · normal 3.93" (2.2–6.1)
May
Jun: 1.01" · normal 2.93" (1.3–4.9)
Jun
Jul: 0.04" (so far)· normal 2.85" (1.2–4.3)
Jul
Aug: normal 2.70" (1.2–4.1)
Aug
Sep: normal 2.07" (0.5–3.3)
Sep
Oct: normal 1.84" (0.8–3.0)
Oct
Nov: normal 1.27" (0.7–2.3)
Nov
Dec: normal 0.88" (0.3–1.5)
Dec
Baseline 19912020 · Source: Open-Meteo06:14 AM
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Weather Conditions
WEATHER CONDITIONS
TODAY
90°
60°
FRI
92°
61°
SAT
92°
64°
SUN
91°
62°
MON
93°
59°
TUE
85°
57°
WED
93°
61°
TIME
THU
10
NOW
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
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
TEMP
hourly forecast
71°
mild
71°
75°
80°
84°
87°
89°
90°
87°
87°
87°
82°
77°
75°
73°
71°
70°
66°
64°
66°
67°
61°
66°
76°
82°
85°
88°
90°
90°
88°
92°
90°
89°
88°
86°
82°
76°
74°
69°
67°
65°
64°
65°
65°
64°
64°
70°
78°
81°
84°
86°
88°
91°
92°
92°
92°
92°
87°
82°
73°
70°
68°
67°
67°
67°
65°
63°
63°
62°
62°
69°
74°
78°
80°
84°
88°
91°
88°
91°
90°
82°
81°
78°
75°
70°
65°
64°
63°
62°
61°
59°
60°
59°
59°
69°
76°
78°
78°
82°
88°
91°
92°
93°
93°
86°
61°
60°
62°
64°
64°
63°
63°
62°
61°
WIND
mph · gust · dir
2mph ENE
G 3 mph
2
G3
ENE
4
ESE
6
G7
SE
7
G9
ESE
7
G15
ESE
9
G21
E
10
G21
E
13
G24
NE
6
G14
SW
4
G10
ENE
6
G16
ESE
7
G15
SW
12
G14
WSW
10
G13
SSW
5
G6
SW
6
G8
NNE
5
G6
NE
2
SE
4
G5
NE
6
G8
SW
1
G3
E
4
G5
WSW
6
G9
WSW
3
G11
E
3
G12
E
4
G13
SE
11
G15
W
7
G17
N
10
G21
E
8
G19
ESE
14
G16
ENE
18
G21
E
8
G9
NE
11
G13
SSE
15
G19
E
5
G14
ENE
8
G11
NW
7
G10
SE
8
W
8
WSW
8
WSW
8
WSW
10
WSW
8
W
8
W
6
WSW
2
SSW
4
ESE
9
E
14
ESE
14
ESE
12
G14
E
12
G15
E
8
ESE
8
SE
11
NE
19
G20
NE
12
G15
NE
4
G5
NNE
9
WSW
9
WSW
9
WSW
8
WSW
7
W
7
W
5
W
6
WSW
6
W
6
W
3
WSW
2
ENE
6
E
6
E
7
ESE
7
ESE
8
G9
SE
14
SSW
5
G7
SW
20
S
21
G24
SSE
3
G6
SSE
16
G18
SSE
8
G9
SW
8
G10
NW
8
G12
SE
8
WSW
9
WSW
8
W
5
W
4
WSW
5
WNW
3
G4
WNW
3
NW
3
G4
WSW
4
SE
8
ENE
7
ENE
6
G7
ENE
7
G8
NE
15
NE
14
NE
14
E
16
E
29
N
19
WSW
18
G20
WSW
14
G20
SW
12
G19
S
7
G15
S
0
G9
SE
4
G5
N
4
NNW
5
W
PRECIP
chance %
0%
0%
0%
0%
0%
1%
3%
3%
3%
2%
2%
2%
1%
1%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
1%
4%
4%
4%
4%
6%
6%
6%
6%
6%
6%
1%
1%
1%
1%
1%
1%
1%
1%
1%
1%
1%
1%
25%
25%
25%
25%
25%
25%
7%
7%
7%
7%
7%
7%
1%
1%
1%
1%
1%
1%
1%
1%
1%
1%
1%
1%
21%
21%
21%
21%
21%
21%
6%
6%
6%
6%
6%
6%
1%
1%
1%
1%
1%
1%
0%
0%
0%
0%
0%
0%
27%
27%
27%
27%
27%
27%
23%
23%
23%
23%
23%
23%
4%
4%
CLOUDS
cover %
5%
clear
5%
1%
0%
0%
70%
55%
24%
100%
100%
100%
100%
100%
93%
4%
57%
100%
40%
100%
91%
76%
0%
0%
27%
8%
0%
1%
100%
100%
100%
100%
100%
100%
100%
100%
100%
93%
100%
35%
21%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
7%
41%
7%
100%
68%
100%
100%
6%
6%
5%
7%
85%
100%
100%
100%
52%
62%
6%
6%
6%
6%
0%
0%
0%
0%
0%
100%
100%
100%
96%
100%
100%
11%
100%
100%
7%
45%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
5%
5%
10%
6%
100%
11%
100%
100%
100%
100%
100%
87%
68%
56%
56%
62%
PRESSURE
hPa · trend
835
835834833832838837836835837835836835836835838834835836837
TemperatureWind / GustsPrecipitationCloud coverPressure
Nowscroll →
FISH INDEX
69
Temperature
Ideal
Wind
Light
Pressure
Rising — Slow
Moon Phase
Average
DAYLIGHT
SUNRISE
05:36 AM
SUNSET
08:33 PM
14H 57M OF DAYLIGHT10H 35M REMAINING
MOON PHASE
Waning Gibbous
94% illuminated

Station Location

39.9597, -105.2318
Loading map…
DATA · CO DWR · NOAA · NWSUPDATED 2026-07-02 09:58 UTC
Site #MSVDITCO·CO DWR

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