Waterlands
Cheesman Reservoir River
CO DWR · CHERESCO
CHEESMAN RESERVOIR RIVER
CO DWR · CHERESCOLIVE

Cheesman Reservoir

JEFFERSON COUNTY, CO39.2086°N, -105.2723°W
AIR TEMP
73°F
WIND
13mph NNE
FISH INDEX
63SCORE / 100
GOOD · 3 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

-24% vs normal

8.89 in of precipitation so far this year, 24% below the 30-year normal of 11.72 in for this point in the season.

YTD Total

8.9in

This year so far

Normal to Date

11.7in

30-yr average

Typical Range

8.0–15.0in

10th–90th pct YTD

Departure

-24%

vs 30-yr normal

By Month

This year
Typical range
Normal
Jan: 0.63" · normal 0.81" (0.3–1.3)
Jan
Feb: 0.28" · normal 0.93" (0.4–1.4)
Feb
Mar: 1.61" · normal 1.81" (1.0–2.8)
Mar
Apr: 2.24" · normal 2.76" (1.6–4.0)
Apr
May: 3.36" · normal 3.23" (1.8–5.6)
May
Jun: 0.77" (so far)· normal 2.65" (1.4–4.4)
Jun
Jul: normal 3.53" (1.3–5.7)
Jul
Aug: normal 3.15" (1.5–4.7)
Aug
Sep: normal 1.79" (0.6–3.0)
Sep
Oct: normal 1.52" (0.7–2.9)
Oct
Nov: normal 1.03" (0.5–2.0)
Nov
Dec: normal 0.79" (0.4–1.1)
Dec
Baseline 19912020 · Source: Open-Meteo11:56 PM
Your History · Cheesman Reservoir

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Weather Conditions
WEATHER CONDITIONS
TODAY
77°
57°
FRI
86°
54°
SAT
88°
57°
SUN
90°
54°
MON
84°
54°
TUE
86°
52°
WED
87°
56°
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
6
pm
TEMP
hourly forecast
57°
mild
57°
56°
55°
54°
54°
55°
61°
67°
72°
74°
78°
83°
83°
83°
81°
86°
77°
74°
72°
67°
65°
65°
61°
62°
61°
59°
59°
59°
57°
57°
62°
67°
71°
74°
79°
82°
85°
87°
88°
88°
86°
85°
81°
76°
73°
71°
67°
61°
59°
58°
57°
55°
54°
54°
59°
66°
72°
76°
79°
83°
86°
88°
89°
90°
88°
86°
82°
77°
72°
68°
63°
60°
59°
58°
56°
55°
54°
54°
59°
67°
72°
74°
78°
81°
83°
84°
84°
83°
82°
80°
77°
71°
63°
61°
59°
58°
56°
56°
55°
53°
53°
52°
59°
67°
73°
77°
80°
82°
84°
86°
86°
86°
85°
82°
WIND
mph · gust · dir
5mph ENE
G 6 mph
5
G6
ENE
3
SSW
2
NNE
1
S
3
G13
SW
9
G20
SSW
17
G26
SSW
18
G22
SSW
14
G17
SSW
10
G13
SSW
11
G14
WSW
10
G15
W
13
G15
W
18
G21
SSW
21
G25
SSW
18
G22
SW
35
G45
WNW
28
G40
W
21
G34
WNW
35
G55
WNW
29
G45
W
22
G41
WSW
39
G57
W
12
G15
SSW
12
G16
SSW
11
G17
SSW
12
G21
SW
14
G22
SW
10
G15
SSE
11
G13
SE
8
G9
SE
13
G22
SSW
17
G30
SW
19
G38
SW
20
G38
SW
20
G37
WSW
19
G35
SW
20
G34
SW
21
G34
SW
21
G34
SW
20
G30
WSW
18
G29
WSW
17
G29
WSW
16
G32
WSW
16
G30
WSW
13
G29
SW
8
SW
6
SW
7
G9
SW
7
G12
SSW
8
G13
SSW
8
G11
SSW
7
G9
SW
7
G8
SW
6
G10
SW
6
G12
SW
8
G12
SW
12
G19
SW
15
G25
SW
17
G27
SSW
18
G28
SSW
18
G30
SSW
20
G29
SSW
18
G27
SSW
22
G28
SW
18
G28
WSW
18
G26
WSW
15
G28
WSW
10
G28
SW
7
G18
SW
6
G8
SW
6
G8
SW
6
G7
SW
6
G7
SSW
6
SSW
6
G8
SW
6
G8
SW
7
G8
SW
6
G9
SW
9
G19
SW
15
G26
SW
18
G26
SW
20
G27
SW
18
G23
SW
20
G23
WSW
18
G23
WSW
18
G22
W
18
G19
W
19
W
18
W
14
W
10
G11
W
6
G10
WSW
7
G8
SW
8
G9
WSW
8
WSW
7
G8
SW
7
SW
7
SW
6
SW
7
SW
6
SW
5
G7
SW
5
G11
SSW
7
G15
SSW
10
G18
SW
12
G21
SW
13
G24
SW
14
G26
SSW
14
G29
SSW
13
G30
SSW
11
G29
SSW
8
G26
SSW
5
G23
S
PRECIP
chance %
5%
5%
2%
2%
1%
0%
0%
0%
0%
0%
1%
2%
4%
6%
8%
10%
11%
11%
10%
8%
9%
5%
5%
5%
3%
2%
1%
1%
0%
0%
0%
0%
0%
0%
0%
0%
0%
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%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
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 %
100%
overcast
100%
100%
4%
4%
86%
100%
78%
34%
100%
100%
100%
81%
100%
31%
100%
57%
88%
100%
41%
100%
100%
92%
70%
100%
99%
100%
100%
100%
100%
5%
100%
0%
0%
13%
3%
4%
0%
9%
7%
11%
9%
67%
11%
0%
0%
0%
0%
0%
0%
0%
0%
13%
100%
100%
100%
100%
52%
5%
0%
0%
0%
0%
0%
0%
6%
5%
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%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
7%
17%
31%
53%
79%
98%
PRESSURE
hPa · trend
793
793793795795791791788786785787787785785788789789791793793
TemperatureWind / GustsPrecipitationCloud coverPressure
Nowscroll →
FISH INDEX
63
Temperature
Warm
Wind
Moderate
Pressure
Stable
Moon Phase
Average
DAYLIGHT
SUNRISE
05:36 AM
SUNSET
08:31 PM
14H 55M OF DAYLIGHT19H 7M REMAINING
MOON PHASE
Waxing Gibbous
83% illuminated

Station Location

39.2086, -105.2723
Loading map…
DATA · CO DWR · NOAA · NWSUPDATED 2026-06-26 01:24 UTC
Site #CHERESCO·CO DWR

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