Waterlands
Anderson Ditch River
CO DWR · ANDDITCO
ANDERSON DITCH RIVER
CO DWR · ANDDITCOLIVE

Anderson Ditch

BOULDER, CO40.0132°N, -105.3011°W Updated 1 d ago
FLOW RATE
3.68cfs
AIR TEMP
60°F
WIND
1mph WNW
FISH INDEX
81SCORE / 100
GREAT · 4 OF 5
Flow Rate Historical Avg
MEDIAN FLOW RATE · 1 DAY
3.68cfs
Optimal band: 34 cfs
PERIOD HIGH
3.68cfs
PERIOD LOW
3.68cfs
RUNNABLE
100%
last 1 day in band
Precipitation History

Precipitation · YTD

Dry

Drier than normal

2026 to date

7.3in

-45% vs normal

7.32 in of precipitation so far this year, 45% below the 30-year normal of 13.24 in for this point in the season.

YTD Total

7.3in

This year so far

Normal to Date

13.2in

30-yr average

Typical Range

8.7–16.6in

10th–90th pct YTD

Departure

-45%

vs 30-yr normal

By Month

This year
Typical range
Normal
Jan: 0.88" · normal 0.94" (0.4–1.7)
Jan
Feb: 0.60" · normal 1.02" (0.3–1.6)
Feb
Mar: 1.60" · normal 1.96" (1.1–3.0)
Mar
Apr: 0.93" · normal 3.02" (1.4–4.4)
Apr
May: 2.97" · normal 3.88" (2.2–5.8)
May
Jun: 0.34" (so far)· normal 2.90" (1.2–4.9)
Jun
Jul: normal 2.78" (1.2–4.3)
Jul
Aug: normal 2.64" (1.2–4.1)
Aug
Sep: normal 2.06" (0.5–3.3)
Sep
Oct: normal 1.82" (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-Meteo12:04 PM
SPONSORED
Weather Conditions
WEATHER CONDITIONS
TODAY
84°
59°
WED
77°
60°
THU
85°
58°
FRI
94°
59°
SAT
97°
65°
SUN
94°
63°
MON
93°
59°
TIME
TUE
12
NOW
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
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
TEMP
hourly forecast
77°
mild
77°
80°
82°
84°
84°
83°
80°
77°
74°
71°
68°
70°
68°
63°
61°
62°
63°
61°
60°
61°
61°
64°
66°
71°
75°
76°
72°
74°
77°
75°
76°
69°
65°
64°
64°
62°
60°
58°
59°
63°
62°
58°
58°
63°
67°
73°
76°
78°
79°
81°
85°
83°
85°
84°
68°
62°
67°
68°
65°
61°
61°
61°
59°
61°
59°
61°
63°
67°
75°
81°
87°
90°
92°
93°
94°
82°
85°
81°
87°
82°
77°
72°
70°
67°
67°
66°
65°
67°
67°
66°
66°
70°
77°
82°
85°
86°
89°
91°
96°
97°
97°
97°
96°
93°
87°
81°
81°
80°
79°
76°
72°
68°
65°
63°
WIND
mph · gust · dir
5mph E
G 6 mph
5
G6
E
7
G8
E
8
ENE
6
G7
ENE
9
G11
ENE
12
G15
ENE
13
G17
ENE
10
G12
ENE
7
G9
ENE
6
G10
ENE
5
G10
E
7
G12
NNE
7
G9
NNE
7
G10
NE
6
G7
ESE
3
G8
S
4
ENE
3
G4
NE
1
SSE
5
E
1
G2
ENE
4
E
3
G5
ESE
7
E
6
G7
E
12
G13
ENE
7
G11
N
5
G7
ESE
8
G9
ENE
13
G16
ENE
9
G11
NE
12
G16
NE
3
G7
E
7
G13
N
6
G10
NNE
3
G5
SSE
5
G8
ENE
0
G3
SE
5
SW
2
WNW
5
NW
2
G4
NW
2
G5
WNW
2
G5
ENE
4
ENE
4
G6
NE
8
NE
9
NE
10
ENE
8
G14
ENE
5
G8
SE
11
G18
NE
9
ENE
3
G6
ENE
9
G13
E
5
NNW
7
SW
8
G14
SW
7
G8
WSW
5
G12
WSW
3
G11
NW
5
G9
W
4
G9
W
5
G7
WSW
6
G8
WSW
7
G9
WSW
7
G8
WSW
6
G8
WSW
3
G7
SW
3
G19
SE
2
G18
WSW
5
G17
W
9
G19
WNW
15
G20
WNW
6
G13
W
23
SSE
3
G15
ENE
10
G16
ESE
11
G16
SSE
11
G15
SSE
10
G20
SSE
8
G13
WSW
10
WSW
12
WSW
11
WSW
10
WSW
11
WSW
11
G12
WSW
11
WSW
10
WSW
10
WSW
8
G9
WSW
5
G8
SW
5
G14
S
7
G16
S
10
G15
SE
13
ESE
12
G14
ESE
7
G12
SSE
13
W
14
WSW
17
WSW
17
WSW
14
G24
WSW
13
G34
WSW
13
G38
WSW
18
G32
WSW
21
WSW
17
WSW
14
WSW
10
SW
9
SSW
7
G8
SSW
7
G9
WSW
PRECIP
chance %
0%
0%
1%
2%
5%
11%
10%
12%
9%
7%
7%
8%
6%
4%
4%
2%
1%
0%
0%
0%
0%
0%
0%
0%
0%
0%
1%
3%
3%
6%
11%
29%
39%
39%
39%
39%
39%
39%
19%
19%
19%
19%
19%
19%
29%
29%
29%
29%
29%
29%
79%
79%
79%
79%
79%
79%
68%
68%
68%
68%
68%
68%
2%
2%
2%
2%
2%
2%
0%
0%
0%
0%
0%
0%
31%
31%
31%
31%
31%
31%
13%
13%
13%
13%
13%
13%
1%
1%
1%
1%
1%
1%
0%
0%
0%
0%
0%
0%
2%
2%
2%
2%
2%
2%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
CLOUDS
cover %
1%
clear
1%
0%
0%
1%
0%
11%
83%
49%
7%
22%
27%
100%
75%
100%
100%
100%
92%
42%
19%
100%
100%
100%
100%
53%
28%
100%
100%
100%
100%
18%
100%
91%
100%
100%
96%
100%
100%
100%
81%
100%
100%
85%
19%
95%
57%
12%
5%
21%
76%
100%
65%
100%
7%
100%
100%
100%
100%
100%
100%
18%
100%
35%
8%
100%
9%
100%
100%
85%
6%
6%
5%
0%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
62%
7%
0%
0%
0%
76%
100%
11%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
11%
53%
100%
100%
8%
5%
0%
0%
0%
0%
0%
0%
0%
0%
PRESSURE
hPa · trend
837
837839838834836835834832832829830829828826825826826823824
TemperatureWind / GustsPrecipitationCloud coverPressure
Nowscroll →
FISH INDEX
81
Temperature
Ideal
Wind
Calm
Pressure
Rising — Slow
Moon Phase
Good
DAYLIGHT
SUNRISE
05:33 AM
SUNSET
08:33 PM
15H 0M OF DAYLIGHT8H 28M REMAINING
MOON PHASE
First Quarter
59% illuminated

Station Location

40.0132, -105.3011
Loading map…
DATA · CO DWR · NOAA · NWSUPDATED 2026-06-23 12:05 UTC
Site #ANDDITCO·CO DWR

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