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
AIR TEMP
71°F
WIND
3mph WNW
FISH INDEX
75SCORE / 100
GREAT · 4 OF 5
Flow Rate Historical Avg
MEDIAN FLOW RATE · 1 DAY
—cfs
No flow data available
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
82°
60°
SAT
84°
56°
SUN
87°
59°
MON
89°
61°
TUE
87°
66°
WED
83°
60°
THU
90°
61°
TIME
SAT
5
NOW
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
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
TEMP
hourly forecast
59°
mild
59°
56°
61°
64°
68°
72°
77°
79°
76°
80°
84°
84°
79°
79°
80°
76°
69°
67°
65°
66°
67°
66°
59°
60°
63°
66°
63°
70°
75°
78°
82°
84°
86°
87°
87°
87°
86°
80°
77°
72°
66°
65°
64°
62°
62°
62°
62°
61°
61°
61°
69°
76°
80°
82°
83°
86°
89°
89°
88°
89°
89°
88°
79°
74°
68°
68°
68°
68°
68°
68°
66°
66°
66°
67°
72°
77°
79°
84°
87°
87°
86°
84°
81°
84°
84°
81°
79°
72°
67°
66°
67°
67°
66°
66°
63°
61°
61°
62°
66°
71°
75°
77°
79°
81°
82°
83°
83°
80°
76°
72°
68°
64°
61°
60°
WIND
mph · gust · dir
4mph WNW
4
WNW
2
SSW
5
WSW
3
G5
SE
6
G7
ESE
6
ESE
9
E
12
G13
ESE
13
G15
ENE
7
G10
NE
5
G6
WNW
5
G7
SSE
4
ESE
9
E
4
G6
SSE
5
G9
SE
9
G20
SSE
5
G16
WSW
2
G3
NW
2
G4
SE
7
WNW
3
WNW
2
ESE
8
G9
NW
4
NW
1
SSE
2
S
3
G4
SE
5
ESE
8
ESE
9
ESE
13
ESE
16
ESE
16
SE
16
SSE
3
G11
S
8
G12
SE
13
SE
9
G15
ESE
6
NNE
5
WNW
7
WNW
7
W
4
G5
W
6
W
8
W
8
W
7
W
7
W
7
W
5
W
1
G2
NE
5
E
9
E
9
ESE
9
E
13
E
4
G5
SW
4
G5
ENE
13
ESE
11
ESE
5
G9
NW
4
G15
NNE
5
G7
W
5
G7
W
7
W
10
W
9
W
8
W
6
WNW
8
W
9
W
9
W
8
W
5
W
1
G3
NNE
2
E
4
E
7
E
11
ENE
12
NE
11
SE
6
G12
SSW
5
G9
E
6
G14
ESE
10
G21
ESE
9
G13
ESE
5
G9
E
5
WSW
8
W
8
WSW
9
W
8
W
9
W
3
G6
WNW
3
G5
NNW
5
WNW
7
W
3
W
3
G4
E
7
E
10
E
12
E
12
E
10
ESE
9
SSE
11
S
10
SSE
8
SE
7
ESE
5
G6
ESE
2
G6
S
3
G6
WSW
4
G5
WSW
PRECIP
chance %
0%
0%
0%
0%
0%
0%
0%
1%
3%
4%
6%
6%
3%
3%
3%
1%
3%
2%
1%
1%
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%
CLOUDS
cover %
0%
clear
0%
0%
1%
1%
4%
9%
55%
1%
100%
79%
3%
55%
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%
8%
100%
100%
11%
0%
100%
97%
10%
67%
5%
0%
0%
0%
0%
0%
0%
0%
0%
6%
100%
100%
100%
77%
100%
100%
88%
59%
7%
7%
12%
100%
92%
9%
100%
14%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
83%
23%
100%
100%
20%
16%
5%
6%
100%
100%
100%
24%
0%
0%
0%
0%
0%
0%
4%
34%
74%
100%
100%
87%
75%
73%
72%
66%
48%
PRESSURE
hPa · trend
812
812818815813812817814812811813812811812814814813812813810
TemperatureWind / GustsPrecipitationCloud coverPressure
Nowscroll →
FISH INDEX
75
Temperature
Warm
Wind
Calm
Pressure
Stable
Moon Phase
Average
DAYLIGHT
SUNRISE
05:36 AM
SUNSET
08:34 PM
14H 58M OF DAYLIGHT15H 34M REMAINING
MOON PHASE
Waning Gibbous
81% illuminated

Station Location

40.2157, -105.3634
Loading map…
DATA · CO DWR · NOAA · NWSUPDATED 2026-07-04 05:00 UTC
Site #NSVBBRCO·CO DWR

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