Waterlands
North Saint Vrain Creek
CO DWR · NSVBBRCO
NORTH SAINT VRAIN CREEK
CO DWR · NSVBBRCOLIVE

North Saint Vrain Creek Below Buttonrock (Ralph Price) Reservoir

BOULDER COUNTY, CO40.2157°N, -105.3634°W Updated 2 d ago
FLOW RATE
37cfs
AIR TEMP
66°F
WIND
7mph NW
FISH INDEX
75SCORE / 100
GREAT · 4 OF 5
Flow Rate Historical Avg
MEDIAN FLOW RATE · 1 YEAR
37cfs
Optimal band: 26–35 cfs
PERIOD HIGH
208cfs
PERIOD LOW
16cfs
RUNNABLE
39%
last 1 year in band
Precipitation History

Precipitation · YTD

Dry

Drier than normal

2026 to date

8.9in

-39% vs normal

8.86 in of precipitation so far this year, 39% below the 30-year normal of 14.59 in for this point in the season.

YTD Total

8.9in

This year so far

Normal to Date

14.6in

30-yr average

Typical Range

10.1–18.1in

10th–90th pct YTD

Departure

-39%

vs 30-yr normal

By Month

This year
Typical range
Normal
Jan: 0.65" · normal 0.97" (0.4–1.5)
Jan
Feb: 0.86" · normal 1.05" (0.3–1.6)
Feb
Mar: 0.98" · normal 1.91" (1.1–3.0)
Mar
Apr: 1.14" · normal 3.05" (1.5–4.4)
Apr
May: 4.00" · normal 4.11" (2.2–6.3)
May
Jun: 1.09" · normal 3.15" (1.3–5.5)
Jun
Jul: 0.15" (so far)· normal 3.44" (1.8–5.2)
Jul
Aug: normal 3.12" (1.5–4.7)
Aug
Sep: normal 2.20" (0.4–3.8)
Sep
Oct: normal 1.84" (0.8–3.0)
Oct
Nov: normal 1.26" (0.6–2.3)
Nov
Dec: normal 0.89" (0.4–1.5)
Dec
Baseline 1991–2020 · Source: Open-Meteo05:00 AM
Your History · North Saint Vrain Creek Below Buttonrock (Ralph Price) Reservoir

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Weather Conditions
WEATHER CONDITIONS
TODAY
83°
59°
SUN
88°
59°
MON
91°
62°
TUE
89°
62°
WED
86°
58°
THU
92°
59°
FRI
98°
66°
TIME
SAT
6
NOW
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
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
TEMP
hourly forecast
59°
mild
59°
63°
65°
68°
73°
76°
79°
82°
79°
81°
83°
79°
79°
80°
76°
69°
67°
65°
66°
67°
66°
59°
60°
63°
66°
63°
70°
75°
78°
82°
84°
86°
87°
87°
88°
85°
82°
80°
74°
68°
66°
68°
67°
65°
64°
63°
62°
62°
62°
70°
77°
81°
84°
86°
86°
88°
90°
91°
91°
90°
88°
84°
79°
73°
66°
70°
71°
68°
66°
66°
66°
65°
65°
71°
79°
82°
86°
88°
89°
83°
88°
80°
88°
72°
80°
72°
67°
62°
64°
66°
67°
67°
67°
64°
59°
58°
60°
68°
71°
74°
77°
79°
81°
82°
85°
86°
70°
69°
64°
61°
59°
59°
58°
59°
WIND
mph · gust · dir
9mph W
G 10 mph
9
G10
W
2
W
3
ESE
4
E
4
E
8
G9
ESE
8
G14
SE
9
G16
ESE
5
G11
ENE
7
G9
SE
8
G16
ESE
19
G23
N
1
G5
W
4
G6
ESE
6
G9
SSW
3
G8
SE
7
NW
3
NW
10
W
5
SW
6
W
5
SSW
5
WSW
7
WNW
5
SW
3
SE
3
G4
WNW
6
ESE
6
E
9
G10
ESE
10
G13
ESE
10
G15
E
10
G16
ENE
9
G13
E
8
G13
ESE
10
ENE
19
SE
14
G15
SSE
3
G4
W
3
W
7
W
8
W
8
WNW
6
WNW
7
W
7
WNW
7
W
7
W
6
W
5
W
1
G2
S
5
E
7
E
11
E
16
E
14
ESE
12
E
11
NE
10
NNE
9
NNW
15
NW
16
NW
7
NW
3
G7
NW
1
G7
W
7
WNW
7
W
9
W
11
W
10
W
9
W
10
W
8
W
6
W
1
G3
NNW
4
E
7
E
10
ESE
16
E
19
NNE
8
NNE
9
G12
NW
5
G9
N
8
G14
N
4
G21
SSW
14
SSE
3
G9
SSE
4
G5
SW
6
W
8
WNW
10
W
10
WNW
9
W
3
G6
NNW
2
G5
ESE
3
WSW
5
W
3
W
3
G4
ESE
6
E
9
E
12
E
17
E
11
E
11
SE
16
SSE
16
NE
11
E
5
G7
SE
3
G6
SE
2
G6
SE
2
G6
SSE
1
G5
SSW
2
G4
SW
PRECIP
chance %
0%
0%
0%
0%
0%
0%
1%
4%
9%
11%
5%
3%
4%
2%
2%
1%
1%
1%
0%
0%
0%
0%
0%
0%
0%
0%
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%
6%
6%
6%
6%
6%
6%
7%
7%
7%
7%
7%
7%
0%
0%
0%
0%
0%
0%
4%
4%
4%
4%
4%
4%
58%
58%
58%
58%
58%
58%
33%
33%
33%
33%
33%
33%
1%
1%
1%
1%
1%
1%
4%
4%
4%
4%
4%
4%
66%
66%
66%
66%
66%
66%
33%
33%
33%
33%
33%
CLOUDS
cover %
3%
clear
3%
0%
23%
2%
9%
92%
39%
40%
87%
100%
86%
99%
100%
100%
73%
1%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
1%
35%
81%
100%
96%
100%
11%
100%
100%
100%
6%
0%
0%
5%
6%
0%
0%
0%
0%
5%
5%
6%
7%
13%
100%
100%
28%
19%
100%
100%
86%
16%
12%
53%
13%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
92%
63%
100%
0%
100%
45%
100%
16%
100%
100%
100%
100%
100%
100%
100%
98%
0%
0%
7%
0%
0%
0%
0%
7%
93%
100%
100%
100%
100%
100%
100%
100%
100%
100%
82%
57%
PRESSURE
hPa · trend
813
813818815813813817813813812813812812812814815813812812808
TemperatureWind / GustsPrecipitationCloud coverPressure
Nowscroll →
FISH INDEX
75
Temperature
Ideal
Wind
Light
Pressure
Stable
Moon Phase
Average
DAYLIGHT
SUNRISE
05:37 AM
SUNSET
08:34 PM
14H 57M OF DAYLIGHT14H 25M REMAINING
MOON PHASE
Waning Gibbous
81% illuminated

Station Location

40.2157, -105.3634
Loading map…
DATA · CO DWR · NOAA · NWSUPDATED 2026-07-04 06:09 UTC
Site #NSVBBRCO·CO DWR

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