Waterlands
Colorado River
USGS · 09019000
COLORADO RIVER
USGS · 09019000LIVE

COLORADO RIVER BELOW LAKE GRANBY, CO.

GRAND COUNTY, CO40.1442°N, -105.8672°W Updated 11 hr ago
FLOW RATE
110cfs
AIR TEMP
48°F
WIND
0mph W
FISH INDEX
69SCORE / 100
GREAT · 4 OF 5
Flow Rate Historical Avg
MEDIAN FLOW RATE · 30 DAY
110cfs 28.0% vs avg
Optimal band: 92124 cfs
PERIOD HIGH
110cfs
PERIOD LOW
103cfs
RUNNABLE
100%
last 30 day in band
Precipitation History

Precipitation · YTD

Dry

Drier than normal

2026 to date

8.5in

-27% vs normal

8.52 in of precipitation so far this year, 27% below the 30-year normal of 11.74 in for this point in the season.

YTD Total

8.5in

This year so far

Normal to Date

11.7in

30-yr average

Typical Range

9.4–14.0in

10th–90th pct YTD

Departure

-27%

vs 30-yr normal

By Month

This year
Typical range
Normal
Jan: 1.09" · normal 1.42" (0.6–2.2)
Jan
Feb: 1.56" · normal 1.54" (0.7–2.3)
Feb
Mar: 0.92" · normal 1.88" (1.1–3.0)
Mar
Apr: 2.35" · normal 2.72" (1.7–4.1)
Apr
May: 2.45" · normal 2.56" (1.5–3.9)
May
Jun: 0.16" (so far)· normal 2.08" (0.9–3.3)
Jun
Jul: normal 2.56" (1.2–4.2)
Jul
Aug: normal 2.38" (1.2–3.4)
Aug
Sep: normal 1.70" (0.6–2.9)
Sep
Oct: normal 1.68" (0.9–2.4)
Oct
Nov: normal 1.42" (0.7–2.1)
Nov
Dec: normal 1.29" (0.7–1.8)
Dec
Baseline 19912020 · Source: Open-Meteo03:16 AM
SPONSORED
Weather Conditions
WEATHER CONDITIONS
TODAY
81°
48°
WED
81°
50°
THU
72°
48°
FRI
79°
47°
SAT
80°
47°
SUN
77°
47°
MON
78°
49°
TIME
TUE
11
NOW
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
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
TEMP
hourly forecast
74°
mild
74°
79°
81°
79°
80°
78°
80°
79°
78°
70°
67°
66°
63°
59°
56°
54°
54°
51°
51°
50°
55°
62°
68°
74°
78°
81°
81°
77°
74°
77°
77°
75°
69°
68°
66°
59°
56°
53°
50°
49°
50°
49°
51°
50°
52°
54°
59°
63°
66°
70°
72°
62°
52°
66°
58°
61°
53°
52°
50°
48°
49°
47°
47°
48°
48°
48°
47°
48°
52°
56°
60°
66°
71°
73°
76°
79°
78°
79°
79°
77°
73°
67°
63°
60°
57°
55°
54°
52°
50°
48°
48°
47°
53°
60°
65°
68°
71°
74°
76°
78°
80°
80°
79°
78°
72°
65°
59°
57°
58°
57°
56°
55°
54°
51°
WIND
mph · gust · dir
4mph SW
G 16 mph
4
G16
SW
8
G23
SW
12
G24
W
12
G19
WSW
9
G18
WSW
15
G21
WSW
7
G20
W
17
G24
W
13
G18
WNW
8
G13
E
3
G7
NE
6
G8
NNW
5
G11
NNE
5
NNW
6
G14
NNE
4
G12
N
3
WSW
4
G5
WSW
3
NNW
4
N
4
G5
NNW
2
G4
NNE
1
G11
S
10
G21
WSW
16
G24
WSW
14
G23
WSW
16
G20
WNW
17
G23
NNW
27
G35
NNW
15
G25
NNW
22
G28
W
20
G28
WSW
22
G34
SW
8
G15
SW
8
G12
N
8
G11
ESE
4
G6
SE
4
SE
2
SE
4
S
3
G5
E
4
G7
NNW
2
G10
SW
1
G7
WNW
2
G13
NW
4
G15
WNW
6
G11
WNW
6
G11
WSW
7
G11
WSW
9
G12
WSW
8
G14
WNW
10
G11
SW
8
G9
ENE
9
G19
W
7
G11
NE
17
G18
NW
4
G8
NE
6
WNW
5
G14
SSE
5
ENE
4
ENE
2
G4
SE
2
G3
ENE
3
G4
ENE
3
E
3
ESE
3
E
3
G5
ESE
1
G18
S
4
G29
W
6
G29
W
9
G28
W
17
G29
W
17
G25
W
14
G23
W
14
G24
W
18
G26
W
20
G27
WSW
20
G27
WSW
19
G25
WSW
15
G22
W
2
G8
W
6
G27
SW
6
G17
SW
3
G5
SSW
5
G6
SSE
5
G23
SSE
3
G23
WSW
1
G25
SSW
2
G25
SSE
3
G18
SE
2
G23
S
3
G31
SW
10
G33
WSW
15
G36
WSW
19
G37
WSW
18
G35
WSW
19
G32
WSW
21
G32
WSW
21
G33
WSW
21
G31
WSW
21
G31
WSW
21
G31
WSW
21
G31
WSW
15
G31
WSW
8
G31
WSW
3
G32
SW
4
G32
SSW
6
G34
SSW
8
G35
SW
7
G37
WSW
8
G40
W
8
G41
WNW
6
G39
WNW
PRECIP
chance %
0%
0%
0%
0%
2%
2%
2%
1%
3%
5%
2%
2%
1%
1%
1%
1%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
6%
1%
1%
4%
4%
42%
42%
42%
42%
42%
42%
31%
31%
31%
31%
31%
31%
47%
47%
47%
47%
47%
47%
79%
79%
79%
79%
79%
79%
61%
61%
61%
61%
61%
61%
2%
2%
2%
2%
2%
2%
1%
1%
1%
1%
1%
1%
11%
11%
11%
11%
11%
11%
6%
6%
6%
6%
6%
6%
1%
1%
1%
1%
1%
1%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
1%
1%
1%
1%
1%
1%
2%
2%
2%
2%
CLOUDS
cover %
0%
clear
0%
0%
0%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
44%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
100%
36%
100%
100%
100%
100%
99%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
73%
100%
87%
100%
100%
46%
6%
15%
8%
65%
100%
100%
11%
100%
0%
100%
100%
100%
100%
100%
18%
100%
100%
100%
12%
6%
6%
11%
79%
21%
16%
6%
6%
12%
100%
100%
100%
72%
67%
6%
100%
100%
6%
6%
0%
0%
100%
100%
6%
0%
0%
5%
0%
0%
0%
77%
100%
100%
100%
7%
5%
8%
0%
0%
1%
2%
2%
1%
0%
0%
0%
0%
0%
PRESSURE
hPa · trend
766
766765763757765762761759759754756755755754751750753751748
TemperatureWind / GustsPrecipitationCloud coverPressure
Nowscroll →
FISH INDEX
69
Temperature
Cool
Wind
Calm
Pressure
Rising — Slow
Moon Phase
Good
DAYLIGHT
SUNRISE
05:35 AM
SUNSET
08:36 PM
15H 1M OF DAYLIGHT9H 13M REMAINING
MOON PHASE
First Quarter
59% illuminated

Station Location

40.1442, -105.8672
Loading map…
DATA · USGS · NOAA · NWSUPDATED 2026-06-23 11:23 UTC
Site #09019000·USGS

Create a free account to save favorites, set flow alerts, and track conditions