Waterlands
Swadley-Longan Ditch River
CO DWR · SWLDITCO
SWADLEY-LONGAN DITCH RIVER
CO DWR · SWLDITCOLIVE

Swadley-Longan Ditch

ARVADA, CO39.8222°N, -105.1239°W
AIR TEMP
85°F
WIND
6mph SSE
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

9.2in

-24% vs normal

9.19 in of precipitation so far this year, 24% below the 30-year normal of 12.11 in for this point in the season.

YTD Total

9.2in

This year so far

Normal to Date

12.1in

30-yr average

Typical Range

9.3–15.7in

10th–90th pct YTD

Departure

-24%

vs 30-yr normal

By Month

This year
Typical range
Normal
Jan: 0.97" · normal 0.87" (0.3–1.4)
Jan
Feb: 0.41" · normal 0.92" (0.3–1.6)
Feb
Mar: 1.14" · normal 1.89" (1.0–2.7)
Mar
Apr: 1.99" · normal 2.76" (1.2–4.1)
Apr
May: 3.40" · normal 3.20" (1.8–5.5)
May
Jun: 1.09" · normal 2.06" (0.7–3.1)
Jun
Jul: 0.19" (so far)· normal 1.66" (0.6–2.9)
Jul
Aug: normal 1.59" (0.5–2.8)
Aug
Sep: normal 1.41" (0.3–2.2)
Sep
Oct: normal 1.61" (0.5–2.8)
Oct
Nov: normal 1.20" (0.5–2.1)
Nov
Dec: normal 0.82" (0.3–1.3)
Dec
Baseline 19912020 · Source: Open-Meteo01:30 AM
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Weather Conditions
WEATHER CONDITIONS
TODAY
95°
61°
WED
95°
66°
THU
90°
62°
FRI
94°
69°
SAT
96°
71°
SUN
99°
74°
MON
98°
74°
TIME
WED
2
NOW
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
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
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
TEMP
hourly forecast
69°
mild
69°
68°
69°
68°
66°
70°
77°
84°
89°
91°
93°
95°
92°
86°
88°
89°
86°
87°
83°
80°
77°
73°
71°
69°
68°
68°
66°
64°
62°
65°
69°
74°
79°
84°
88°
90°
87°
80°
77°
77°
76°
78°
78°
78°
77°
75°
74°
72°
71°
69°
70°
69°
69°
72°
77°
80°
81°
84°
90°
92°
92°
94°
92°
93°
85°
82°
81°
78°
78°
77°
76°
75°
74°
73°
72°
71°
71°
73°
78°
82°
86°
89°
91°
94°
96°
96°
96°
96°
95°
94°
91°
87°
85°
83°
82°
80°
78°
77°
76°
75°
74°
76°
81°
86°
90°
93°
95°
97°
98°
99°
98°
97°
96°
WIND
mph · gust · dir
6mph NNW
G 8 mph
6
G8
NNW
8
G13
NW
10
G14
NW
7
G11
WNW
3
N
4
G6
SSW
7
G12
SSE
1
G9
SE
3
G14
N
7
G15
NNE
9
G20
NNE
5
G19
N
22
G31
NE
24
G38
NW
13
G18
SSE
8
G17
W
12
G18
SW
4
G7
W
10
G18
N
4
G13
NNW
7
G10
SSW
9
G18
NNW
7
G11
NW
16
G31
N
7
G20
NNW
4
G13
NNE
8
G17
N
1
G6
NNE
0
G3
SW
3
G4
NE
2
G4
NW
4
NE
5
NE
7
NE
7
G9
ENE
13
G18
SSE
7
ESE
19
N
8
G15
NE
10
NNE
6
G15
ENE
4
G6
SE
4
G5
SSE
7
G11
SE
6
G14
SSW
5
G15
SW
4
G6
WNW
6
G13
NNW
5
G13
NNW
2
G8
NW
4
G6
SW
4
G7
SW
5
G10
WSW
5
G7
WSW
2
G4
NW
6
NNE
6
NNE
7
NE
7
ENE
5
G7
S
7
SSW
4
G8
SW
5
G9
SW
9
G13
SSW
14
G16
NNE
12
G15
NNE
8
G10
NE
5
ENE
4
ENE
3
G12
SE
4
G16
SSW
4
G9
SW
3
G5
W
3
NW
3
NNW
2
G3
W
5
G7
WSW
4
G5
WSW
2
G3
SSW
2
E
1
G3
NNE
5
NE
7
ENE
6
G8
ENE
6
G10
NE
7
G10
NE
9
G10
NE
10
ENE
10
G11
E
12
E
12
G14
ESE
10
G21
ESE
7
G23
SE
3
G16
SW
3
NW
3
NW
3
WNW
4
G5
W
4
G5
W
4
W
4
WSW
4
G6
WSW
4
G6
WSW
3
G5
WSW
1
SW
1
G5
E
3
G7
E
4
G8
ENE
5
G9
NE
6
G10
NE
8
G10
ENE
11
ENE
13
E
PRECIP
chance %
1%
1%
1%
0%
0%
0%
0%
0%
0%
0%
1%
2%
6%
9%
11%
24%
14%
17%
10%
9%
5%
5%
3%
3%
2%
2%
2%
1%
1%
1%
1%
1%
1%
1%
1%
1%
51%
51%
51%
51%
51%
51%
24%
24%
24%
24%
24%
24%
1%
1%
1%
1%
1%
1%
0%
0%
0%
0%
0%
0%
23%
23%
23%
23%
23%
23%
10%
10%
10%
10%
10%
10%
1%
1%
1%
1%
1%
1%
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%
1%
1%
1%
1%
1%
1%
CLOUDS
cover %
50%
partly
50%
36%
1%
0%
100%
100%
100%
1%
0%
0%
2%
0%
95%
100%
68%
100%
79%
12%
99%
100%
62%
100%
100%
100%
100%
100%
100%
100%
9%
0%
6%
2%
75%
50%
100%
100%
100%
0%
6%
100%
100%
7%
5%
100%
21%
100%
82%
100%
6%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
10%
100%
11%
100%
100%
13%
100%
11%
11%
100%
98%
0%
0%
0%
6%
0%
0%
0%
6%
5%
0%
6%
6%
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%
0%
0%
0%
PRESSURE
hPa · trend
835
835840840838837834832834835835835837837838837838840840838
TemperatureWind / GustsPrecipitationCloud coverPressure
Nowscroll →
FISH INDEX
69
Temperature
Too Hot
Wind
Light
Pressure
Falling — Active
Moon Phase
Good
DAYLIGHT
SUNRISE
05:39 AM
SUNSET
08:31 PM
14H 52M OF DAYLIGHT
MOON PHASE
Last Quarter
43% illuminated

Station Location

39.8222, -105.1239
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DATA · CO DWR · NOAA · NWS
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