Waterlands
Boulder Creek
CO DWR · BOC109CO
BOULDER CREEK
CO DWR · BOC109COLIVE

Boulder Creek At 109 St Near Erie, Co

BOULDER COUNTY, CO40.0598°N, -105.0979°W
AIR TEMP
72°F
WIND
6mph NNE
FISH INDEX
69SCORE / 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

7.5in

-33% vs normal

7.47 in of precipitation so far this year, 33% below the 30-year normal of 11.15 in for this point in the season.

YTD Total

7.5in

This year so far

Normal to Date

11.2in

30-yr average

Typical Range

8.3–14.4in

10th–90th pct YTD

Departure

-33%

vs 30-yr normal

By Month

This year
Typical range
Normal
Jan: 0.60" · normal 0.79" (0.2–1.3)
Jan
Feb: 0.26" · normal 0.82" (0.3–1.5)
Feb
Mar: 1.31" · normal 1.72" (0.9–2.7)
Mar
Apr: 0.96" · normal 2.63" (1.1–4.1)
Apr
May: 3.56" · normal 3.24" (1.8–5.8)
May
Jun: 0.77" (so far)· normal 2.10" (0.6–3.8)
Jun
Jul: normal 1.72" (0.6–2.7)
Jul
Aug: normal 1.68" (0.6–3.0)
Aug
Sep: normal 1.49" (0.3–2.6)
Sep
Oct: normal 1.59" (0.6–2.6)
Oct
Nov: normal 1.09" (0.5–2.1)
Nov
Dec: normal 0.75" (0.2–1.2)
Dec
Baseline 19912020 · Source: Open-Meteo12:44 AM
Your History · Boulder Creek At 109 St Near Erie, Co

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Weather Conditions
WEATHER CONDITIONS
TODAY
73°
59°
FRI
90°
55°
SAT
96°
61°
SUN
99°
64°
MON
93°
65°
TUE
94°
60°
WED
95°
67°
TIME
FRI
1
NOW
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
9
am
10
am
11
am
12
pm
1
pm
2
pm
3
pm
4
pm
5
pm
TEMP
hourly forecast
58°
mild
58°
57°
56°
56°
57°
55°
57°
62°
65°
68°
74°
80°
87°
90°
83°
82°
78°
80°
80°
75°
70°
66°
65°
64°
63°
62°
62°
62°
61°
62°
64°
73°
79°
84°
87°
91°
94°
96°
96°
96°
95°
93°
90°
82°
78°
75°
72°
71°
69°
68°
67°
65°
65°
64°
68°
74°
79°
83°
87°
90°
94°
96°
98°
99°
98°
94°
93°
87°
83°
78°
75°
73°
72°
70°
69°
68°
67°
65°
69°
74°
78°
83°
87°
90°
92°
93°
92°
91°
91°
90°
87°
81°
74°
71°
67°
65°
64°
64°
63°
62°
60°
60°
66°
70°
74°
79°
83°
88°
92°
94°
94°
92°
89°
WIND
mph · gust · dir
4mph SSW
G 10 mph
4
G10
SSW
4
G7
WSW
6
G11
SSE
9
G18
S
11
G19
S
7
G9
NW
3
NNW
4
NNE
6
NNE
4
NE
3
G7
ENE
6
G7
E
7
G8
ESE
11
G17
ESE
21
G28
SSE
14
G16
ENE
8
G11
ENE
4
G11
E
7
G12
SSE
8
G15
SE
9
G27
S
10
G23
S
9
G15
S
6
G7
WNW
3
G4
SSW
5
G11
SSW
8
G17
S
10
G20
S
11
G20
S
12
G19
S
7
G15
SW
11
G21
S
15
G21
S
11
G23
S
10
G28
SSW
10
G25
WSW
15
G27
SW
17
G26
WSW
17
G26
WSW
18
G26
WSW
21
G25
WSW
18
G26
WSW
11
G23
W
3
G15
ENE
3
G11
NNW
6
G11
WNW
6
G7
WNW
7
WSW
7
WSW
7
G8
WSW
6
G9
SW
6
G8
W
6
W
6
WSW
6
WSW
4
G5
WNW
2
G4
NNE
6
ESE
7
SE
7
G8
SE
9
G12
ESE
10
G17
ESE
4
G18
ENE
8
G20
NNW
17
N
15
N
15
G17
WSW
20
G24
WSW
17
G24
W
11
G19
WSW
8
G9
W
7
WSW
7
G11
SW
7
G21
WSW
7
G18
WSW
6
G14
WSW
6
G9
WSW
5
G6
WSW
4
G5
WSW
3
G8
SSE
3
SSE
4
G16
SE
6
G15
ESE
1
G17
WNW
8
G18
WSW
23
WSW
21
WSW
21
WSW
17
WSW
15
W
14
W
14
G24
WNW
13
G19
WNW
8
G17
W
5
G14
SW
4
G21
SW
5
G17
SW
6
G16
W
6
G10
W
6
G8
W
5
WNW
2
G6
WNW
2
G6
WNW
1
G6
E
3
G8
ESE
6
G10
ESE
7
G14
ESE
6
G17
ESE
3
G19
ENE
6
G21
NNW
11
G22
NW
16
G22
NW
20
G22
NW
PRECIP
chance %
1%
1%
0%
0%
0%
0%
0%
0%
0%
0%
0%
1%
2%
7%
10%
14%
7%
14%
12%
8%
3%
3%
4%
1%
1%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
1%
1%
1%
1%
1%
1%
1%
1%
1%
1%
1%
1%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
3%
3%
3%
3%
3%
3%
2%
2%
2%
2%
2%
2%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
2%
2%
2%
2%
2%
2%
2%
2%
2%
2%
2%
2%
2%
2%
2%
2%
2%
2%
1%
1%
1%
1%
1%
1%
9%
9%
9%
9%
9%
CLOUDS
cover %
100%
overcast
100%
100%
55%
43%
31%
14%
19%
6%
9%
9%
3%
0%
0%
63%
64%
29%
90%
100%
76%
100%
71%
100%
99%
80%
100%
43%
100%
19%
61%
0%
100%
100%
59%
27%
11%
1%
6%
15%
13%
69%
100%
15%
69%
10%
30%
0%
0%
5%
6%
0%
7%
12%
92%
81%
100%
100%
5%
0%
31%
6%
0%
0%
0%
23%
81%
100%
100%
19%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
5%
6%
81%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
9%
22%
35%
48%
60%
PRESSURE
hPa · trend
844
844841846845838840839836837838838835838841843839843844843
TemperatureWind / GustsPrecipitationCloud coverPressure
Nowscroll →
FISH INDEX
69
Temperature
Warm
Wind
Light
Pressure
Stable
Moon Phase
Average
DAYLIGHT
SUNRISE
05:32 AM
SUNSET
08:33 PM
15H 1M OF DAYLIGHT19H 49M REMAINING
MOON PHASE
Waxing Gibbous
83% illuminated

Station Location

40.0598, -105.0979
Loading map…
DATA · CO DWR · NOAA · NWSUPDATED 2026-06-26 00:44 UTC
Site #BOC109CO·CO DWR

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