Waterlands
East Boulder Ditch River
CO DWR · EABDITCO
EAST BOULDER DITCH RIVER
CO DWR · EABDITCOLIVE

East Boulder Ditch

BOULDER COUNTY, CO39.9974°N, -105.2144°W Updated 1 d ago
FLOW RATE
3cfs
AIR TEMP
85°F
WIND
12mph SSW
FISH INDEX
56SCORE / 100
GOOD · 3 OF 5
Flow Rate Historical Avg
MEDIAN FLOW RATE · 30 DAY
3cfs
Optimal band: 3–5 cfs
PERIOD HIGH
6cfs
PERIOD LOW
2cfs
RUNNABLE
73%
last 30 day in band
Precipitation History
Your History · East Boulder Ditch

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Weather Conditions
WEATHER CONDITIONS
TODAY
93°
67°
SUN
95°
62°
MON
90°
61°
TUE
94°
57°
WED
88°
59°
THU
94°
61°
FRI
100°
63°
TIME
SAT
4
NOW
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
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
TEMP
hourly forecast
93°
mild
93°
93°
91°
89°
84°
80°
78°
77°
74°
71°
69°
71°
69°
69°
62°
65°
69°
74°
80°
84°
87°
90°
93°
95°
95°
94°
92°
90°
85°
81°
78°
74°
72°
70°
65°
62°
61°
61°
62°
68°
73°
76°
79°
82°
84°
87°
89°
90°
89°
89°
87°
85°
77°
70°
68°
65°
62°
61°
61°
59°
58°
57°
57°
64°
69°
72°
75°
79°
82°
88°
91°
94°
91°
86°
87°
87°
79°
78°
72°
69°
65°
68°
61°
61°
60°
59°
59°
64°
70°
75°
79°
81°
83°
86°
88°
86°
86°
88°
87°
81°
77°
73°
67°
63°
64°
62°
62°
62°
62°
61°
63°
68°
75°
WIND
mph · gust · dir
27mph WSW
G 42 mph
27
G42
WSW
19
G33
WSW
20
G36
WSW
17
G33
WSW
10
G28
S
9
G12
SE
13
G17
S
11
G15
SSE
9
G11
SSE
6
G8
SSW
9
G14
S
12
G13
SE
10
G12
SE
8
G9
SE
9
G13
N
2
G4
SSW
5
G8
N
2
G6
ENE
6
G13
ENE
7
G18
NE
8
G24
NE
6
G23
NE
6
G24
ENE
9
G18
ENE
18
G28
SW
15
G27
WSW
18
G27
W
14
G20
WSW
16
G31
WSW
13
G23
WSW
9
G14
WSW
7
G9
SSW
10
G13
S
7
G10
W
9
G12
ENE
5
G6
SSW
7
G10
S
9
G12
SSW
10
G12
SW
10
G17
WSW
7
G16
SW
9
G27
SSW
13
G28
WSW
15
G23
W
14
G24
W
9
G25
WSW
9
G27
WSW
17
G29
WSW
19
G32
SW
21
G30
WSW
20
G28
WSW
14
G24
WSW
10
G15
W
13
G22
W
13
G23
W
9
W
9
WSW
10
W
10
WSW
8
WSW
7
W
6
W
6
WSW
3
G4
WSW
6
G8
ESE
6
G8
E
8
G9
E
7
G8
ENE
5
G8
E
4
G8
E
6
G12
E
10
G18
ENE
11
G15
ENE
21
NNW
14
N
13
G15
N
18
G26
NNW
16
G25
NW
9
G10
WNW
10
W
5
G7
WNW
4
G5
NW
3
G4
NW
6
W
7
WSW
7
WSW
7
WSW
4
G5
SW
6
SE
7
ESE
9
ESE
11
E
15
ESE
15
ESE
12
G13
ESE
4
G9
E
12
NW
11
G14
W
7
G11
WSW
4
G7
NNW
9
G10
NNW
9
G11
WNW
6
G7
W
6
W
9
W
9
W
9
W
9
WSW
10
WSW
10
WSW
9
WSW
6
WSW
1
G4
S
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%
0%
0%
0%
1%
1%
1%
1%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
1%
1%
1%
1%
1%
1%
3%
3%
3%
3%
3%
3%
3%
3%
3%
3%
3%
3%
1%
1%
1%
1%
1%
1%
10%
10%
10%
10%
10%
10%
15%
15%
15%
15%
15%
15%
3%
3%
3%
3%
3%
3%
0%
0%
0%
0%
0%
0%
6%
6%
6%
6%
6%
6%
6%
6%
6%
6%
6%
6%
2%
2%
2%
2%
2%
2%
0%
0%
CLOUDS
cover %
0%
clear
0%
0%
0%
0%
22%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
2%
39%
100%
4%
3%
1%
3%
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%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
65%
100%
100%
100%
54%
100%
100%
7%
0%
0%
100%
90%
7%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
8%
100%
100%
100%
100%
100%
100%
100%
100%
48%
96%
69%
33%
6%
0%
0%
0%
1%
3%
PRESSURE
hPa · trend
831
831829829832830828829832831832835836831832834836833834836
TemperatureWind / GustsPrecipitationCloud coverPressure
Nowscroll →
FISH INDEX
56
Temperature
Too Hot
Wind
Moderate
Pressure
Falling — Active
Moon Phase
Average
DAYLIGHT
SUNRISE
05:34 AM
SUNSET
08:33 PM
14H 59M OF DAYLIGHT4H 43M REMAINING
MOON PHASE
Waxing Gibbous
94% illuminated

Station Location

39.9974, -105.2144
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DATA · CO DWR · NOAA · NWSUPDATED 2026-06-27 15:50 UTC
Site #EABDITCO·CO DWR

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