Waterlands
South Boulder & Bear Creek
CO DWR · SBBDITCO
SOUTH BOULDER & BEAR CREEK
CO DWR · SBBDITCOLIVE

South Boulder & Bear Creek Ditch

BOULDER COUNTY, CO39.9537°N, -105.2414°W Updated 1 d ago
FLOW RATE
3cfs
AIR TEMP
73°F
WIND
6mph SE
FISH INDEX
69SCORE / 100
GREAT · 4 OF 5
Flow Rate Historical Avg
MEDIAN FLOW RATE · 1 YEAR
3cfs
Optimal band: 33 cfs
PERIOD HIGH
3cfs
PERIOD LOW
1cfs
RUNNABLE
63%
last 1 year in band
Precipitation History

Precipitation · YTD

Dry

Drier than normal

2026 to date

9.3in

-36% vs normal

9.33 in of precipitation so far this year, 36% below the 30-year normal of 14.5 in for this point in the season.

YTD Total

9.3in

This year so far

Normal to Date

14.5in

30-yr average

Typical Range

10.6–17.8in

10th–90th pct YTD

Departure

-36%

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: 0.20" (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-Meteo12:30 PM
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Weather Conditions
WEATHER CONDITIONS
TODAY
93°
68°
THU
87°
60°
FRI
93°
62°
SAT
96°
64°
SUN
98°
68°
MON
99°
65°
TUE
96°
67°
TIME
WED
2
NOW
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
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
TEMP
hourly forecast
91°
mild
91°
83°
89°
85°
85°
83°
78°
74°
72°
72°
69°
66°
68°
69°
67°
63°
60°
63°
67°
70°
74°
79°
83°
86°
87°
69°
73°
75°
77°
78°
75°
72°
68°
65°
62°
62°
62°
62°
62°
63°
64°
70°
78°
80°
81°
84°
88°
92°
93°
91°
91°
91°
75°
67°
69°
66°
65°
64°
64°
64°
65°
64°
64°
64°
64°
69°
77°
80°
84°
88°
93°
95°
96°
96°
96°
96°
95°
92°
84°
78°
74°
72°
71°
71°
71°
69°
68°
69°
69°
75°
83°
86°
88°
91°
94°
95°
96°
98°
97°
96°
95°
93°
85°
78°
75°
74°
71°
70°
70°
69°
67°
65°
66°
WIND
mph · gust · dir
17mph NNE
G 18 mph
17
G18
NNE
20
G30
N
3
G16
SW
6
G11
NNE
3
G8
NNE
12
G14
ENE
9
G11
ENE
2
G7
NE
7
G12
NW
8
G11
SW
4
G5
NNW
4
SW
8
G9
SW
9
G12
SSW
2
SW
6
G7
N
5
G7
N
9
G13
NNW
10
G13
N
8
G9
NNE
5
G6
NE
4
G7
ESE
7
G9
SE
9
G12
SE
5
G7
ESE
12
G14
ENE
13
G19
E
4
ESE
7
N
3
G9
N
5
G8
ENE
7
G11
SSW
7
G11
SW
7
G10
WNW
4
G7
W
3
G7
W
5
G8
WSW
6
G7
WSW
7
WSW
7
W
8
W
6
G8
WSW
1
G6
NE
7
ENE
7
G10
ENE
7
G10
E
11
ESE
11
G16
ESE
9
G11
ENE
20
NE
15
ENE
17
ENE
21
NW
9
G20
NW
8
SW
8
SW
8
WSW
9
WSW
8
WSW
7
W
7
WSW
6
W
6
W
6
W
7
W
5
W
1
E
4
E
6
ESE
7
E
9
E
12
ESE
14
ESE
14
ESE
13
ESE
12
ESE
14
ESE
14
ESE
8
G20
SE
6
G7
SW
7
WSW
7
W
7
W
7
W
8
WSW
6
WSW
6
W
9
WSW
8
WSW
4
WSW
0
G2
SE
7
E
6
E
7
E
8
ESE
8
ESE
8
ESE
11
E
14
E
14
E
13
E
13
G14
E
8
G17
E
7
G18
SSE
5
G15
SSW
5
G9
W
8
W
8
W
7
W
7
WSW
7
WSW
7
W
6
W
PRECIP
chance %
12%
12%
21%
19%
15%
11%
10%
12%
8%
9%
2%
2%
4%
2%
3%
2%
1%
0%
1%
0%
0%
1%
2%
2%
6%
12%
44%
25%
14%
9%
22%
22%
22%
22%
22%
22%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
34%
34%
34%
34%
34%
34%
6%
6%
6%
6%
6%
6%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
1%
1%
1%
1%
1%
1%
1%
1%
1%
1%
1%
1%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
1%
1%
1%
1%
1%
1%
0%
0%
0%
0%
0%
0%
CLOUDS
cover %
93%
overcast
93%
100%
94%
100%
100%
94%
0%
18%
39%
100%
100%
100%
100%
100%
100%
74%
100%
100%
89%
1%
0%
0%
17%
0%
100%
100%
87%
80%
11%
45%
71%
100%
66%
97%
34%
100%
100%
0%
0%
0%
0%
58%
6%
0%
0%
0%
0%
0%
0%
7%
7%
5%
100%
100%
100%
17%
56%
72%
0%
0%
0%
6%
6%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
5%
5%
8%
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%
PRESSURE
hPa · trend
837
837837834834836834830832832831832835835834836839836833834
TemperatureWind / GustsPrecipitationCloud coverPressure
Nowscroll →
FISH INDEX
69
Temperature
Warm
Wind
Light
Pressure
Rising — Slow
Moon Phase
Good
DAYLIGHT
SUNRISE
05:40 AM
SUNSET
08:31 PM
14H 51M OF DAYLIGHT
MOON PHASE
Last Quarter
38% illuminated

Station Location

39.9537, -105.2414
Loading map…
DATA · CO DWR · NOAA · NWSUPDATED 2026-07-07 00:00 UTC
Site #SBBDITCO·CO DWR

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