Waterlands
Boulder Left Hand Ditch River
CO DWR · BLDLHDCO
BOULDER LEFT HAND DITCH RIVER
CO DWR · BLDLHDCOLIVE

Boulder Left Hand Ditch

BOULDER, CO40.0245°N, -105.2454°W Updated 1 d ago
FLOW RATE
6cfs
AIR TEMP
67°F
WIND
3mph N
FISH INDEX
75SCORE / 100
GREAT · 4 OF 5
Flow Rate Historical Avg
MEDIAN FLOW RATE · 30 DAY
6cfs
Optimal band: 9–12 cfs
PERIOD HIGH
12cfs
PERIOD LOW
6cfs
RUNNABLE
60%
last 30 day in band
Precipitation History
Your History · Boulder Left Hand Ditch

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Weather Conditions
WEATHER CONDITIONS
TODAY
98°
62°
MON
99°
63°
TUE
98°
66°
WED
100°
65°
THU
98°
64°
FRI
97°
67°
SAT
99°
67°
TIME
SUN
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
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
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
FRI
12
am
1
am
2
am
TEMP
hourly forecast
84°
mild
84°
88°
92°
95°
97°
97°
98°
96°
95°
93°
89°
82°
78°
75°
72°
70°
69°
68°
67°
65°
63°
67°
73°
78°
83°
88°
92°
96°
98°
99°
99°
99°
97°
96°
92°
87°
81°
77°
73°
71°
69°
69°
68°
67°
66°
74°
76°
80°
84°
87°
91°
93°
96°
97°
98°
98°
96°
93°
89°
83°
78°
73°
71°
70°
69°
69°
68°
67°
65°
74°
79°
84°
87°
90°
92°
94°
96°
98°
100°
99°
97°
94°
88°
80°
76°
73°
70°
69°
69°
69°
68°
66°
64°
74°
79°
82°
86°
89°
92°
95°
97°
98°
98°
98°
98°
94°
87°
82°
77°
73°
69°
68°
68°
WIND
mph · gust · dir
3mph NE
G 5 mph
3
G5
NE
5
G6
NE
5
G7
ENE
8
G9
E
4
G9
NE
12
G15
ENE
10
G13
E
12
G15
E
9
G12
ESE
11
G15
E
9
G18
ESE
4
G17
ESE
7
NW
5
G8
NNE
5
G7
N
3
G4
NNW
1
G2
NNW
1
W
4
WNW
1
G2
NE
3
G4
NNW
4
SW
5
G8
NNW
4
G5
NNE
4
G6
NE
4
G7
E
3
G5
E
6
G10
ENE
8
G11
NE
8
G13
ENE
12
G15
NE
6
G10
ESE
13
G16
ENE
7
G9
E
7
G13
ESE
8
G19
SE
7
G14
SSE
5
G10
SSW
5
G7
W
8
WNW
8
W
6
W
5
W
5
W
4
W
2
N
5
NNE
4
NE
5
ENE
7
E
9
ESE
10
ESE
9
ESE
9
SE
9
SSE
13
SE
19
SE
18
SE
16
G25
SE
13
G21
SSE
9
G14
SSW
7
SW
7
WSW
7
W
7
W
6
W
5
W
4
WSW
3
WSW
2
SW
2
ESE
6
ESE
7
E
7
ESE
8
ESE
9
ESE
7
G8
SE
7
G8
SSE
12
SE
15
SE
17
SE
17
SE
11
G16
SSE
10
G15
S
7
G9
SSW
6
WSW
7
W
8
W
7
W
6
W
6
WSW
4
W
3
WSW
3
WSW
3
E
5
ENE
5
ENE
6
ENE
7
E
7
ESE
9
ESE
9
ESE
6
G9
SE
6
G10
ESE
18
ESE
17
ESE
13
G16
SE
10
G15
SE
7
G13
S
5
G9
SW
7
WSW
8
W
8
W
PRECIP
chance %
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
1%
2%
2%
2%
1%
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%
2%
2%
2%
2%
2%
2%
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%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
1%
1%
1%
1%
1%
1%
1%
1%
1%
1%
1%
1%
1%
1%
CLOUDS
cover %
0%
clear
0%
0%
0%
0%
0%
59%
100%
59%
9%
1%
0%
2%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
1%
0%
0%
1%
12%
95%
86%
56%
1%
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%
0%
5%
7%
0%
100%
100%
100%
100%
0%
0%
0%
0%
5%
5%
5%
0%
0%
0%
0%
0%
5%
0%
0%
0%
0%
1%
3%
4%
3%
1%
0%
0%
0%
PRESSURE
hPa · trend
847
847848845842846846843843844841842841842839840840841839840
TemperatureWind / GustsPrecipitationCloud coverPressure
Nowscroll →
FISH INDEX
75
Temperature
Ideal
Wind
Calm
Pressure
Rising — Slow
Moon Phase
Average
DAYLIGHT
SUNRISE
05:42 AM
SUNSET
08:30 PM
14H 48M OF DAYLIGHT
MOON PHASE
Waning Crescent
6% illuminated

Station Location

40.0245, -105.2454
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DATA · CO DWR · NOAA · NWSUPDATED 2026-07-11 00:00 UTC
Site #BLDLHDCO·CO DWR

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