Waterlands
North Saint Vrain Creek
CO DWR · NSVBRPCO
NORTH SAINT VRAIN CREEK
CO DWR · NSVBRPCOLIVE

North Saint Vrain Creek Below Ralph Price (Button Rock) Reservoir

BOULDER COUNTY, CO40.2163°N, -105.3653°W Updated 115 d ago
FLOW RATE
18cfs
AIR TEMP
62°F
WIND
8mph WSW
FISH INDEX
69SCORE / 100
GREAT · 4 OF 5
Flow Rate Historical Avg
MEDIAN FLOW RATE · 1 YEAR
18cfs
Optimal band: 28–38 cfs
PERIOD HIGH
100cfs
PERIOD LOW
18cfs
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-Meteo02:24 AM
Your History · North Saint Vrain Creek Below Ralph Price (Button Rock) Reservoir

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Weather Conditions
WEATHER CONDITIONS
TODAY
84°
60°
SUN
87°
59°
MON
91°
61°
TUE
89°
62°
WED
86°
58°
THU
92°
58°
FRI
98°
66°
TIME
SAT
10
NOW
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
THU
12
am
1
am
2
am
3
am
TEMP
hourly forecast
75°
mild
75°
79°
81°
82°
83°
84°
83°
80°
79°
79°
77°
73°
70°
70°
66°
63°
63°
60°
62°
59°
61°
68°
72°
74°
78°
80°
83°
85°
86°
87°
87°
87°
85°
84°
81°
77°
72°
70°
68°
65°
64°
63°
62°
61°
61°
69°
76°
81°
84°
85°
86°
87°
89°
91°
91°
90°
87°
84°
79°
73°
66°
70°
70°
68°
65°
66°
66°
65°
65°
71°
78°
82°
85°
88°
89°
83°
88°
79°
87°
72°
79°
72°
67°
62°
64°
66°
66°
67°
67°
64°
59°
58°
60°
67°
71°
74°
76°
79°
81°
81°
85°
86°
70°
68°
64°
61°
59°
58°
58°
58°
59°
59°
58°
59°
WIND
mph · gust · dir
6mph ESE
G 7 mph
6
G7
ESE
8
G11
ESE
11
G19
ESE
9
G19
E
10
G16
ESE
7
G17
SE
20
G29
NW
17
G23
NE
9
G11
NE
6
G7
NE
4
G6
N
8
G16
S
7
G10
WSW
8
G11
WSW
4
G5
N
6
G7
NNW
3
G4
WNW
5
NW
5
WNW
2
WNW
8
W
8
G10
W
3
G6
ENE
4
G5
E
6
G7
E
9
ESE
10
G11
E
9
G14
E
9
G16
ENE
8
G14
E
9
G13
E
8
G12
ENE
7
G9
NNE
9
G12
SE
9
G16
S
7
G13
SSE
6
W
8
W
7
W
6
WNW
7
W
7
WNW
7
W
7
W
6
W
5
W
1
S
5
E
7
E
11
E
16
E
14
ESE
12
E
11
NE
10
NNE
9
NNW
15
NW
16
G19
NW
7
NW
3
NW
1
G3
W
7
WNW
7
W
9
W
11
W
10
W
9
W
10
W
8
W
6
W
1
NNW
4
E
7
E
10
ESE
16
E
19
NNE
8
NNE
9
G16
NW
5
G8
N
8
G16
N
4
SSW
14
SSE
3
G11
SSE
4
G7
SW
6
W
8
WNW
10
W
10
WNW
9
W
3
G9
NNW
2
G3
ESE
3
G5
WSW
5
W
3
G4
W
3
ESE
6
E
9
E
12
E
17
E
11
E
11
G17
SE
16
SSE
16
G25
NE
11
G12
E
5
SE
3
SE
2
G3
SE
2
SSE
1
G3
SSW
2
G3
SW
3
WSW
4
WSW
4
WSW
4
W
PRECIP
chance %
0%
0%
1%
2%
5%
15%
7%
4%
5%
2%
1%
1%
1%
1%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
1%
1%
1%
2%
7%
7%
7%
1%
1%
1%
1%
1%
1%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
12%
12%
12%
12%
12%
12%
7%
7%
7%
7%
7%
7%
0%
0%
0%
0%
0%
0%
5%
5%
5%
5%
5%
5%
70%
70%
70%
70%
70%
70%
32%
32%
32%
32%
32%
32%
1%
1%
1%
1%
1%
1%
7%
7%
7%
7%
7%
7%
60%
60%
60%
60%
60%
60%
42%
42%
42%
42%
42%
42%
2%
2%
2%
CLOUDS
cover %
1%
clear
1%
0%
11%
0%
100%
100%
100%
100%
100%
55%
72%
5%
7%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
1%
4%
1%
18%
100%
85%
8%
64%
2%
51%
96%
100%
12%
6%
0%
6%
15%
24%
41%
7%
31%
7%
36%
100%
100%
75%
100%
88%
100%
100%
100%
100%
90%
100%
100%
100%
100%
100%
100%
54%
7%
100%
34%
8%
71%
100%
100%
100%
100%
100%
100%
100%
100%
78%
13%
100%
78%
100%
10%
0%
0%
80%
69%
8%
7%
7%
0%
0%
5%
7%
100%
100%
100%
100%
100%
6%
16%
20%
37%
46%
35%
16%
2%
0%
2%
4%
PRESSURE
hPa · trend
816
816815812810815814810809812809809809812810809811812809809
TemperatureWind / GustsPrecipitationCloud coverPressure
Nowscroll →
FISH INDEX
69
Temperature
Ideal
Wind
Light
Pressure
Rising — Slow
Moon Phase
Average
DAYLIGHT
SUNRISE
05:37 AM
SUNSET
08:34 PM
14H 57M OF DAYLIGHT10H 17M REMAINING
MOON PHASE
Waning Gibbous
80% illuminated

Station Location

40.2163, -105.3653
Loading map…
DATA · CO DWR · NOAA · NWSUPDATED 2026-07-04 10:17 UTC
Site #NSVBRPCO·CO DWR

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