Waterlands
Middle Saint Vrain River
CO DWR · MIDSTECO
MIDDLE SAINT VRAIN RIVER
CO DWR · MIDSTECOLIVE

Middle Saint Vrain At Peaceful Valley

BOULDER COUNTY, CO40.1298°N, -105.5171°W Updated 1 d ago
FLOW RATE
31.4cfs
AIR TEMP
63°F
WIND
2mph ESE
FISH INDEX
81SCORE / 100
GREAT · 4 OF 5
Flow Rate Historical Avg
MEDIAN FLOW RATE · 1 DAY
31.4cfs
Optimal band: 27–36 cfs
PERIOD HIGH
31.4cfs
PERIOD LOW
31.4cfs
RUNNABLE
100%
last 1 day in band
Precipitation History

Precipitation · YTD

Dry

Drier than normal

2026 to date

14.2in

-17% vs normal

14.23 in of precipitation so far this year, 17% below the 30-year normal of 17.11 in for this point in the season.

YTD Total

14.2in

This year so far

Normal to Date

17.1in

30-yr average

Typical Range

12.1–21.9in

10th–90th pct YTD

Departure

-17%

vs 30-yr normal

By Month

This year
Typical range
Normal
Jan: 1.59" · normal 1.23" (0.5–2.2)
Jan
Feb: 1.65" · normal 1.37" (0.4–2.2)
Feb
Mar: 1.86" · normal 2.08" (1.2–3.3)
Mar
Apr: 2.11" · normal 3.19" (1.8–4.9)
Apr
May: 5.30" · normal 4.60" (3.0–6.7)
May
Jun: 1.70" · normal 4.39" (2.3–7.7)
Jun
Jul: 0.02" (so far)· normal 5.81" (3.3–9.2)
Jul
Aug: normal 5.22" (3.4–7.3)
Aug
Sep: normal 2.91" (1.2–4.7)
Sep
Oct: normal 1.95" (1.0–2.8)
Oct
Nov: normal 1.32" (0.6–2.2)
Nov
Dec: normal 1.09" (0.5–1.8)
Dec
Baseline 1991–2020 · Source: Open-Meteo02:23 PM
Your History · Middle Saint Vrain At Peaceful Valley

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Weather Conditions
WEATHER CONDITIONS
TODAY
71°
46°
FRI
76°
52°
SAT
80°
52°
SUN
79°
54°
MON
81°
53°
TUE
79°
53°
WED
82°
51°
TIME
THU
4
NOW
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
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
TEMP
hourly forecast
71°
mild
71°
71°
70°
71°
68°
62°
60°
61°
59°
57°
56°
55°
54°
52°
53°
57°
61°
65°
68°
70°
72°
74°
75°
75°
76°
75°
75°
73°
69°
66°
64°
60°
57°
57°
53°
52°
53°
53°
53°
58°
67°
71°
74°
77°
79°
80°
75°
72°
71°
76°
74°
70°
60°
55°
54°
54°
54°
54°
55°
55°
55°
55°
55°
61°
68°
72°
74°
76°
76°
77°
76°
79°
79°
67°
61°
61°
59°
55°
55°
54°
53°
53°
55°
56°
56°
56°
55°
61°
69°
74°
78°
81°
79°
76°
72°
53°
55°
64°
66°
68°
63°
57°
55°
56°
56°
55°
54°
53°
53°
53°
54°
60°
67°
WIND
mph · gust · dir
6mph SE
G 15 mph
6
G15
SE
6
G15
SE
7
G15
SSE
4
G13
SW
3
G11
WSW
5
G8
SW
9
G15
W
12
G19
W
8
G17
W
7
G15
WNW
9
G17
WNW
6
G11
NNW
4
G11
N
6
E
11
G19
W
13
G21
WNW
15
G28
W
17
G29
W
17
G28
W
16
G25
W
13
G19
W
9
G18
W
10
G24
WNW
13
G22
W
10
G15
WSW
12
G20
W
8
G14
WNW
7
G14
WNW
3
G13
NNE
3
G8
NE
3
G8
ENE
6
G7
SSW
5
G10
S
4
G10
S
5
G7
SW
6
G10
WSW
7
G8
W
6
W
8
W
7
W
1
G3
W
2
G8
ENE
4
G10
E
6
G12
ESE
4
G13
ESE
8
G14
E
15
ENE
6
G9
E
6
G11
WNW
1
G10
S
6
E
11
E
4
G9
SSE
5
WNW
7
WSW
8
WSW
8
W
7
W
7
W
7
W
7
W
7
W
6
W
4
W
1
E
4
E
7
G8
E
10
E
11
E
14
ESE
12
SSE
5
G11
S
11
G12
ESE
15
E
6
NE
4
G7
SE
5
W
7
W
4
WSW
4
SSW
6
WSW
6
W
8
W
9
W
9
W
9
W
9
W
8
G9
W
6
G8
W
4
G7
WNW
1
G4
NNW
5
G7
ENE
11
E
15
ENE
9
SSW
10
G18
SW
11
G12
SW
8
G13
WNW
6
G11
NW
6
G9
W
4
G5
WNW
7
WSW
9
WSW
9
W
6
WNW
6
WNW
6
W
6
W
7
W
9
W
9
W
6
G7
W
3
G8
WNW
PRECIP
chance %
3%
3%
3%
3%
1%
0%
0%
1%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
1%
1%
2%
3%
5%
7%
4%
6%
6%
6%
6%
0%
0%
0%
0%
0%
0%
6%
6%
6%
6%
6%
6%
43%
43%
43%
43%
43%
43%
14%
14%
14%
14%
14%
14%
0%
0%
0%
0%
0%
0%
3%
3%
3%
3%
3%
3%
24%
24%
24%
24%
24%
24%
6%
6%
6%
6%
6%
6%
1%
1%
1%
1%
1%
1%
0%
0%
0%
0%
0%
0%
39%
39%
39%
39%
39%
39%
18%
18%
18%
18%
18%
18%
3%
3%
3%
3%
3%
3%
10%
10%
CLOUDS
cover %
100%
overcast
100%
100%
100%
100%
100%
75%
100%
100%
93%
98%
100%
100%
100%
100%
100%
100%
100%
100%
100%
8%
96%
44%
23%
100%
100%
100%
100%
100%
100%
100%
100%
42%
99%
92%
3%
2%
14%
50%
22%
0%
0%
0%
0%
11%
100%
100%
100%
100%
100%
17%
100%
11%
100%
15%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
6%
100%
100%
100%
83%
0%
0%
100%
100%
100%
67%
5%
100%
0%
6%
0%
0%
6%
0%
0%
68%
66%
6%
0%
5%
10%
100%
100%
100%
100%
100%
100%
14%
100%
100%
65%
100%
100%
100%
100%
100%
98%
93%
82%
55%
22%
PRESSURE
hPa · trend
745
745742741748748747745750746745746749748745746749742746745
TemperatureWind / GustsPrecipitationCloud coverPressure
Nowscroll →
FISH INDEX
81
Temperature
Ideal
Wind
Calm
Pressure
Stable
Moon Phase
Average
DAYLIGHT
SUNRISE
05:37 AM
SUNSET
08:35 PM
14H 58M OF DAYLIGHT4H 55M REMAINING
MOON PHASE
Waning Gibbous
92% illuminated

Station Location

40.1298, -105.5171
Loading map…
DATA · CO DWR · NOAA · NWSUPDATED 2026-07-02 15:40 UTC
Site #MIDSTECO·CO DWR

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