Waterlands
Wellman Ditch Tail River
CO DWR · WLMTALCO
WELLMAN DITCH TAIL RIVER
CO DWR · WLMTALCOLIVE

Wellman Ditch Tail

BOULDER, CO40.0073°N, -105.2161°W
AIR TEMP
65°F
WIND
5mph S
FISH INDEX
81SCORE / 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

7.9in

-46% vs normal

7.87 in of precipitation so far this year, 46% below the 30-year normal of 14.47 in for this point in the season.

YTD Total

7.9in

This year so far

Normal to Date

14.5in

30-yr average

Typical Range

10.7–17.8in

10th–90th pct YTD

Departure

-46%

vs 30-yr normal

By Month

This year
Typical range
Normal
Jan: 0.88" · normal 0.94" (0.4–1.7)
Jan
Feb: 0.60" · normal 1.02" (0.3–1.6)
Feb
Mar: 1.60" · normal 1.96" (1.1–3.0)
Mar
Apr: 0.93" · normal 3.02" (1.4–4.4)
Apr
May: 2.97" · normal 3.88" (2.2–5.8)
May
Jun: 0.73" · normal 2.90" (1.2–4.9)
Jun
Jul: 0.16" (so far)· normal 2.78" (1.2–4.3)
Jul
Aug: normal 2.64" (1.2–4.1)
Aug
Sep: normal 2.06" (0.5–3.3)
Sep
Oct: normal 1.82" (0.8–3.0)
Oct
Nov: normal 1.27" (0.7–2.3)
Nov
Dec: normal 0.88" (0.3–1.5)
Dec
Baseline 19912020 · Source: Open-Meteo05:33 AM
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Weather Conditions
WEATHER CONDITIONS
TODAY
95°
64°
THU
91°
61°
FRI
91°
58°
SAT
99°
58°
SUN
99°
67°
MON
100°
67°
TUE
99°
66°
TIME
THU
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
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
TEMP
hourly forecast
62°
mild
62°
68°
67°
71°
76°
82°
87°
91°
89°
88°
82°
85°
85°
72°
74°
70°
68°
67°
65°
64°
63°
63°
63°
58°
58°
61°
65°
71°
76°
82°
85°
88°
89°
91°
88°
82°
78°
74°
69°
66°
65°
63°
63°
63°
63°
64°
63°
60°
58°
68°
74°
80°
84°
88°
92°
96°
98°
99°
99°
98°
95°
94°
85°
79°
75°
72°
72°
71°
71°
69°
69°
67°
67°
75°
80°
85°
90°
93°
95°
97°
98°
99°
99°
99°
97°
94°
88°
81°
77°
74°
71°
69°
68°
67°
67°
67°
67°
73°
78°
81°
85°
89°
93°
95°
97°
100°
100°
99°
97°
93°
88°
84°
80°
WIND
mph · gust · dir
8mph S
G 13 mph
8
G13
S
4
G13
NNW
7
G9
N
6
G8
NE
5
G7
NNE
5
G8
NE
8
G10
NE
10
G16
ENE
10
G22
NNE
10
G21
NNE
8
G13
SE
7
ESE
3
NE
11
G13
SSE
2
G7
SSE
7
G19
NNE
1
G8
NNW
3
WNW
5
G7
S
2
G3
ESE
5
SE
4
SSW
5
ENE
3
G6
WNW
4
G6
WNW
3
G10
NNE
2
G7
NNW
6
G7
NE
2
G3
NE
4
G5
ENE
6
G7
ENE
7
G11
NE
9
G10
NE
5
G7
E
12
G16
N
16
S
7
G15
ESE
11
G14
ENE
2
G4
ESE
4
G5
WSW
4
G6
SW
4
G5
W
7
WSW
9
WSW
9
WSW
9
WSW
5
WNW
3
NW
3
G4
NNW
2
NW
2
ENE
5
E
7
E
8
E
7
G8
E
10
E
12
G14
E
14
ESE
16
ESE
17
E
13
E
12
E
7
G9
E
4
G5
WSW
8
WSW
8
W
8
W
8
W
8
WSW
7
WSW
7
W
5
G6
W
6
WSW
3
G4
WSW
3
ESE
3
G5
ESE
5
G6
E
7
G8
E
9
G11
ESE
10
ESE
10
SE
10
SE
10
SE
13
ESE
18
E
17
ESE
13
G23
ESE
10
G13
SSE
7
G8
S
7
SW
6
G7
WSW
7
WSW
7
WSW
6
W
6
G7
WSW
7
WSW
6
WSW
3
G4
SW
4
ESE
5
ESE
6
ESE
7
ESE
8
ESE
8
ESE
8
ESE
12
ESE
19
ESE
20
ESE
20
SE
19
SE
16
G21
SE
13
G24
SSE
10
G20
SSE
PRECIP
chance %
4%
4%
0%
0%
0%
0%
0%
1%
7%
15%
30%
24%
14%
9%
15%
8%
15%
11%
5%
2%
1%
1%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
48%
48%
48%
48%
48%
48%
10%
10%
10%
10%
10%
10%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
2%
2%
2%
2%
2%
2%
1%
1%
1%
1%
1%
1%
0%
0%
0%
0%
0%
0%
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%
2%
2%
2%
2%
CLOUDS
cover %
49%
partly
49%
0%
0%
0%
100%
3%
62%
8%
100%
59%
68%
100%
100%
100%
100%
0%
6%
0%
100%
34%
77%
97%
93%
1%
0%
0%
0%
0%
0%
0%
0%
0%
1%
79%
76%
100%
27%
12%
100%
89%
95%
11%
5%
6%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
7%
100%
10%
47%
100%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
5%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
PRESSURE
hPa · trend
839
839841842841836843841840839842840842842843840840840841841
TemperatureWind / GustsPrecipitationCloud coverPressure
Nowscroll →
FISH INDEX
81
Temperature
Ideal
Wind
Light
Pressure
Stable
Moon Phase
Good
DAYLIGHT
SUNRISE
05:40 AM
SUNSET
08:31 PM
14H 51M OF DAYLIGHT
MOON PHASE
Last Quarter
31% illuminated

Station Location

40.0073, -105.2161
Loading map…
DATA · CO DWR · NOAA · NWS
Site #WLMTALCO·CO DWR

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