Waterlands
Arkansas River
CO DWR · CHCRNACO
ARKANSAS RIVER
CO DWR · CHCRNACOLIVE

Chalk Creek At Nathrop

CHAFFEE COUNTY, CO38.7418°N, -106.0832°W
AIR TEMP
71°F
WIND
14mph WNW
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

6.3in

-23% vs normal

6.33 in of precipitation so far this year, 23% below the 30-year normal of 8.25 in for this point in the season.

YTD Total

6.3in

This year so far

Normal to Date

8.3in

30-yr average

Typical Range

5.0–11.2in

10th–90th pct YTD

Departure

-23%

vs 30-yr normal

By Month

This year
Typical range
Normal
Jan: 0.51" · normal 0.85" (0.4–1.6)
Jan
Feb: 0.63" · normal 0.95" (0.5–1.3)
Feb
Mar: 0.66" · normal 1.37" (0.6–2.5)
Mar
Apr: 1.87" · normal 1.91" (0.7–3.2)
Apr
May: 2.17" · normal 1.97" (0.7–3.4)
May
Jun: 0.49" (so far)· normal 1.49" (0.4–2.7)
Jun
Jul: normal 2.59" (1.1–4.8)
Jul
Aug: normal 2.62" (0.9–4.0)
Aug
Sep: normal 1.39" (0.5–2.3)
Sep
Oct: normal 1.18" (0.3–2.0)
Oct
Nov: normal 0.98" (0.4–1.7)
Nov
Dec: normal 0.92" (0.3–1.4)
Dec
Baseline 19912020 · Source: Open-Meteo10:33 PM
Your History · Chalk Creek At Nathrop

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Weather Conditions
WEATHER CONDITIONS
TODAY
80°
55°
FRI
84°
51°
SAT
81°
50°
SUN
86°
44°
MON
79°
46°
TUE
81°
42°
WED
84°
45°
TIME
FRI
3
NOW
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
7
pm
8
pm
TEMP
hourly forecast
55°
mild
55°
53°
52°
51°
54°
59°
65°
71°
75°
79°
79°
83°
84°
80°
75°
73°
68°
64°
59°
56°
55°
56°
55°
54°
53°
52°
52°
50°
54°
59°
63°
69°
73°
76°
78°
80°
80°
81°
81°
79°
76°
70°
59°
58°
55°
53°
51°
49°
48°
46°
44°
44°
53°
60°
68°
74°
77°
80°
83°
84°
86°
83°
81°
79°
77°
71°
58°
55°
54°
51°
49°
48°
47°
46°
46°
46°
53°
61°
68°
71°
73°
76°
77°
78°
79°
78°
77°
75°
73°
65°
54°
50°
48°
45°
45°
44°
44°
43°
42°
43°
53°
59°
65°
71°
76°
79°
81°
81°
80°
80°
79°
78°
74°
69°
WIND
mph · gust · dir
2mph SSE
G 13 mph
2
G13
SSE
4
G7
ESE
3
G8
E
2
G7
E
2
G4
NE
2
G5
SSE
4
G8
SSE
4
G13
SE
4
G15
SSE
11
G15
W
27
G32
WNW
15
G19
WSW
22
G26
W
20
G26
NNW
15
G17
SSW
15
G18
S
22
G29
SSW
9
G20
WNW
6
G7
NNW
7
G8
ENE
8
G9
ENE
4
G5
NE
6
G7
WNW
8
G11
S
11
G24
SSE
3
G12
SSW
4
NNE
5
N
4
G16
SSE
17
G23
SSE
18
G22
SSE
14
G29
SSW
15
G32
SW
17
G33
SW
13
G27
SSW
10
G22
SW
20
G30
SW
17
G30
SW
21
G32
WSW
20
G32
WSW
16
G31
WSW
11
G26
WSW
6
G9
SSW
8
G11
S
7
G9
SSW
6
SW
6
WSW
6
SW
5
SSW
5
SW
4
WSW
3
G4
SW
3
G4
SSE
6
G7
SSE
9
G15
S
16
G26
SSW
16
G27
SSW
15
G26
SSW
19
G30
SSW
16
G30
SW
20
G30
SW
24
G30
SW
23
G31
SW
21
G30
SW
17
G28
SW
12
G25
SW
5
G8
SSW
5
G6
SW
6
W
5
W
4
WSW
4
WSW
3
G4
SW
4
G5
SSW
5
SSW
5
SSW
4
G7
S
7
G15
S
14
G33
SSW
18
G38
SW
18
G37
SW
23
G37
WSW
20
G35
WSW
19
G31
W
20
G30
W
20
G27
W
19
G26
W
18
G24
W
16
G22
WNW
8
G14
WNW
7
WNW
6
W
5
W
3
W
4
WNW
4
NW
4
NW
4
NW
2
WNW
2
NNW
2
NNE
1
G3
ESE
5
G11
SE
10
G17
S
13
G21
S
13
G22
S
12
G23
SSW
10
G22
SW
11
G21
WSW
11
G20
WSW
11
G19
SW
11
G17
SW
8
G13
SSW
4
G7
S
PRECIP
chance %
1%
1%
1%
1%
0%
0%
0%
0%
0%
0%
0%
0%
1%
2%
3%
4%
9%
8%
19%
18%
33%
19%
7%
2%
2%
2%
1%
1%
1%
1%
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%
2%
2%
2%
2%
2%
2%
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%
2%
2%
2%
2%
2%
2%
1%
1%
CLOUDS
cover %
62%
mostly
62%
28%
6%
15%
61%
16%
16%
1%
100%
63%
100%
100%
100%
100%
83%
98%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
3%
0%
0%
0%
0%
16%
4%
2%
1%
4%
0%
25%
37%
8%
69%
8%
5%
0%
0%
0%
0%
0%
5%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
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%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
6%
35%
75%
100%
96%
79%
68%
75%
89%
PRESSURE
hPa · trend
768
768772772770768768768760761765764760761767766764765770768
TemperatureWind / GustsPrecipitationCloud coverPressure
Nowscroll →
FISH INDEX
63
Temperature
Warm
Wind
Moderate
Pressure
Stable
Moon Phase
Average
DAYLIGHT
SUNRISE
05:41 AM
SUNSET
08:33 PM
14H 52M OF DAYLIGHT17H 22M REMAINING
MOON PHASE
Waxing Gibbous
84% illuminated

Station Location

38.7418, -106.0832
Loading map…
DATA · CO DWR · NOAA · NWSUPDATED 2026-06-26 03:11 UTC
Site #CHCRNACO·CO DWR

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