Waterlands
Guanella Reservoir (Outflow) River
CO DWR · GUAOUTCO
GUANELLA RESERVOIR (OUTFLOW) RIVER
CO DWR · GUAOUTCOLIVE

Guanella Reservoir (Outflow)

CLEAR CREEK COUNTY, CO39.7587°N, -105.6947°W Updated 2 d ago
FLOW RATE
6cfs
AIR TEMP
75°F
WIND
12mph SW
FISH INDEX
81SCORE / 100
GREAT · 4 OF 5
Flow Rate Historical Avg
MEDIAN FLOW RATE · 7 DAY
6cfs
Optimal band: 57 cfs
PERIOD HIGH
8cfs
PERIOD LOW
6cfs
RUNNABLE
67%
last 7 day in band
Precipitation History

Precipitation · YTD

Normal

Near-normal year

2026 to date

12.2in

≈ normal

12.19 in of precipitation so far this year — about average for this point in the season (normal 13.14 in).

YTD Total

12.2in

This year so far

Normal to Date

13.1in

30-yr average

Typical Range

9.8–15.3in

10th–90th pct YTD

Departure

-7%

vs 30-yr normal

By Month

This year
Typical range
Normal
Jan: 1.08" · normal 1.25" (0.6–1.9)
Jan
Feb: 1.63" · normal 1.39" (0.8–2.0)
Feb
Mar: 1.60" · normal 2.10" (1.0–2.9)
Mar
Apr: 2.30" · normal 3.12" (1.9–4.3)
Apr
May: 4.72" · normal 3.07" (1.7–4.3)
May
Jun: 0.87" (so far)· normal 2.32" (1.1–3.4)
Jun
Jul: normal 3.30" (1.6–5.2)
Jul
Aug: normal 3.28" (2.0–4.7)
Aug
Sep: normal 2.20" (1.2–3.5)
Sep
Oct: normal 1.74" (0.9–2.6)
Oct
Nov: normal 1.39" (0.7–2.1)
Nov
Dec: normal 1.19" (0.7–1.9)
Dec
Baseline 19912020 · Source: Open-Meteo12:43 AM
Your History · Guanella Reservoir (Outflow)

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Weather Conditions
WEATHER CONDITIONS
TODAY
79°
53°
MON
70°
47°
TUE
75°
50°
WED
77°
44°
THU
77°
48°
FRI
78°
49°
SAT
79°
50°
TIME
MON
1
NOW
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
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
TEMP
hourly forecast
56°
mild
56°
54°
51°
49°
48°
47°
52°
57°
59°
61°
63°
64°
66°
67°
68°
70°
69°
68°
66°
63°
58°
55°
53°
51°
50°
50°
51°
52°
51°
51°
53°
61°
66°
69°
70°
73°
75°
73°
75°
74°
73°
71°
67°
62°
57°
52°
54°
47°
45°
45°
45°
45°
44°
44°
52°
59°
62°
65°
68°
70°
73°
77°
72°
72°
72°
71°
66°
61°
56°
57°
57°
57°
54°
52°
50°
50°
48°
48°
54°
60°
63°
66°
69°
71°
73°
75°
77°
72°
73°
72°
70°
63°
57°
57°
58°
52°
52°
51°
50°
49°
49°
49°
55°
63°
67°
69°
72°
75°
76°
78°
78°
78°
77°
WIND
mph · gust · dir
7mph WNW
G 11 mph
7
G11
WNW
5
G22
W
6
G23
SSW
8
SE
5
ENE
7
E
4
G19
E
15
G40
WSW
17
G42
WSW
22
G48
WSW
26
G49
WSW
30
G56
WSW
25
G47
W
23
G41
W
19
G36
W
16
G29
WSW
21
G35
SW
20
G35
WSW
17
G32
WSW
11
G26
WSW
7
G19
WNW
8
G17
WNW
8
G17
W
6
G9
W
4
G7
W
3
G5
WSW
5
G6
WSW
3
W
3
G5
WSW
3
G5
WNW
1
G3
NNE
2
G13
ESE
8
G18
SSW
11
G21
SSW
12
G23
SSW
11
G23
SSW
10
G24
SW
11
G21
SW
8
G20
SW
9
G24
SW
13
G24
WSW
14
G22
WSW
15
G20
WSW
9
G15
WSW
11
W
10
G14
W
14
W
8
W
8
WSW
7
WSW
8
WSW
9
SW
9
SW
9
SW
8
G14
SW
10
G23
WSW
10
G24
WSW
10
G22
WSW
11
G21
W
9
G17
W
7
G17
W
4
G15
W
4
G13
W
6
G9
W
3
G8
WNW
4
G7
SSE
5
E
4
ENE
1
G3
SW
3
G4
WSW
5
WSW
6
WSW
7
WSW
8
WSW
8
WSW
9
WSW
9
WSW
9
WSW
8
WSW
12
G13
W
12
G16
W
12
G17
W
12
G17
WNW
11
G16
WNW
10
G16
WNW
9
G17
WNW
7
G17
WNW
3
G14
SW
3
G14
WSW
8
G15
W
4
G13
WSW
3
G11
WSW
5
G8
WSW
5
G26
WSW
6
G15
WSW
8
G9
WSW
8
WSW
8
G10
WSW
8
G13
WSW
7
G13
WSW
7
WSW
8
WSW
6
G9
SW
6
G15
WSW
9
G20
W
10
G22
W
10
G22
W
11
G23
W
12
G25
W
13
G27
W
14
G28
WSW
14
G29
WSW
13
G29
WSW
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%
0%
0%
0%
0%
0%
0%
0%
15%
15%
15%
15%
15%
15%
11%
11%
11%
11%
11%
11%
1%
1%
1%
1%
1%
1%
0%
0%
0%
0%
0%
0%
5%
5%
5%
5%
5%
5%
8%
8%
8%
8%
8%
8%
1%
1%
1%
1%
1%
1%
0%
0%
0%
0%
0%
0%
8%
8%
8%
8%
8%
8%
2%
2%
2%
2%
2%
2%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
5%
5%
5%
5%
5%
CLOUDS
cover %
0%
clear
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%
100%
100%
100%
100%
100%
100%
11%
5%
49%
6%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
6%
7%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
0%
0%
0%
0%
0%
0%
0%
0%
0%
6%
100%
100%
100%
100%
100%
100%
100%
100%
100%
92%
100%
0%
0%
7%
5%
0%
6%
0%
0%
0%
0%
0%
1%
3%
4%
3%
3%
PRESSURE
hPa · trend
735
735738743743740742741740739742743739742743743741743745744
TemperatureWind / GustsPrecipitationCloud coverPressure
Nowscroll →
FISH INDEX
81
Temperature
Warm
Wind
Moderate
Pressure
Falling — Active
Moon Phase
Peak Activity
DAYLIGHT
SUNRISE
05:37 AM
SUNSET
08:34 PM
14H 57M OF DAYLIGHT19H 51M REMAINING
MOON PHASE
Full Moon
99% illuminated
PEAK ACTIVITY

Station Location

39.7587, -105.6947
Loading map…
DATA · CO DWR · NOAA · NWSUPDATED 2026-06-29 00:42 UTC
Site #GUAOUTCO·CO DWR

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