Waterlands
Cherry C Bl Valley Dam nr Hetch Hetchy Ca River
USGS · 11277300
CHERRY C BL VALLEY DAM NR HETCH HETCHY CA RIVER
USGS · 11277300LIVE

CHERRY C BL VALLEY DAM NR HETCH HETCHY CA

TUOLUMNE COUNTY, CA37.9677°N, -119.9174°W Updated 1 hr ago
FLOW RATE
8cfs
AIR TEMP
76°F
WIND
9mph WSW
FISH INDEX
75SCORE / 100
GREAT · 4 OF 5
Flow Rate Historical Avg
MEDIAN FLOW RATE · 1 YEAR
8cfs 43.7% vs avg
Optimal band: 68 cfs
PERIOD HIGH
3,501cfs
PERIOD LOW
6cfs
RUNNABLE
63%
last 1 year in band
Precipitation History

Precipitation · YTD

Dry

Drier than normal

2026 to date

23.1in

-26% vs normal

23.06 in of precipitation so far this year, 26% below the 30-year normal of 31.13 in for this point in the season.

YTD Total

23.1in

This year so far

Normal to Date

31.1in

30-yr average

Typical Range

17.5–51.4in

10th–90th pct YTD

Departure

-26%

vs 30-yr normal

By Month

This year
Typical range
Normal
Jan: 5.40" · normal 8.03" (1.7–16.8)
Jan
Feb: 7.59" · normal 7.65" (1.6–14.9)
Feb
Mar: 0.83" · normal 7.43" (1.5–16.1)
Mar
Apr: 7.94" · normal 4.34" (0.8–9.0)
Apr
May: 1.29" · normal 2.90" (0.9–6.1)
May
Jun: 0.00" (so far)· normal 0.98" (0.0–2.0)
Jun
Jul: normal 0.24" (0.0–0.5)
Jul
Aug: normal 0.19" (0.0–0.6)
Aug
Sep: normal 0.59" (0.0–1.4)
Sep
Oct: normal 2.51" (0.0–5.7)
Oct
Nov: normal 4.31" (1.1–8.1)
Nov
Dec: normal 7.57" (1.2–14.2)
Dec
Baseline 19912020 · Source: Open-Meteo11:56 PM
Your History · CHERRY C BL VALLEY DAM NR HETCH HETCHY CA

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Weather Conditions
WEATHER CONDITIONS
TODAY
82°
58°
FRI
70°
54°
SAT
66°
44°
SUN
68°
42°
MON
76°
48°
TUE
78°
54°
WED
75°
53°
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
60°
mild
60°
59°
59°
58°
57°
57°
60°
66°
68°
70°
67°
67°
68°
67°
67°
67°
65°
63°
62°
61°
60°
56°
54°
53°
52°
50°
53°
53°
53°
53°
52°
52°
55°
59°
63°
66°
66°
66°
65°
65°
66°
64°
61°
55°
46°
44°
44°
43°
43°
43°
42°
42°
42°
42°
49°
56°
59°
61°
63°
65°
66°
67°
67°
68°
67°
66°
64°
56°
50°
49°
49°
48°
49°
49°
49°
49°
49°
50°
55°
64°
66°
69°
71°
73°
75°
76°
76°
76°
75°
73°
71°
61°
57°
55°
55°
55°
55°
54°
54°
54°
54°
54°
60°
69°
71°
74°
76°
77°
78°
78°
78°
78°
77°
WIND
mph · gust · dir
2mph NE
2
NE
2
NE
3
NE
2
G3
NE
4
NE
3
ENE
3
G4
N
1
G9
SW
6
G14
SSW
12
G15
SW
10
G15
SW
10
G12
SW
8
G11
SW
6
G9
SW
7
G8
SW
8
G9
SW
8
G10
SW
6
G7
SW
5
G6
SW
5
SW
4
G5
SW
3
G5
S
2
ESE
1
G2
NE
1
G3
WSW
3
G4
SW
0
G1
SW
1
SSW
4
G5
WSW
5
G6
SW
4
G6
SW
3
G12
WSW
6
G15
WSW
9
G15
SW
13
G17
SW
15
G19
SW
16
G20
SW
16
G19
SW
15
G18
SW
13
G16
SW
12
G14
SW
11
G13
SW
9
G11
SW
7
WSW
3
SSW
3
ESE
5
E
5
ENE
7
ENE
8
ENE
8
ENE
8
ENE
8
ENE
7
ENE
4
ENE
2
SW
6
WSW
9
WSW
10
WSW
11
G12
WSW
12
G13
WSW
12
G13
WSW
10
G12
WSW
11
WSW
9
WSW
8
G9
W
7
G9
W
4
G6
WNW
4
NE
7
NE
7
ENE
7
ENE
8
ENE
9
ENE
9
ENE
8
ENE
8
ENE
8
ENE
5
ENE
2
G3
SSW
5
SW
7
WSW
9
WSW
10
WSW
11
WSW
11
WSW
11
WSW
11
WSW
10
WSW
9
WSW
7
G9
WSW
2
G3
WSW
6
NE
8
ENE
9
ENE
8
ENE
8
ENE
9
ENE
9
ENE
8
ENE
8
ENE
8
ENE
6
ENE
1
G3
SW
5
WSW
7
WSW
10
WSW
12
WSW
12
WSW
12
WSW
12
WSW
11
WSW
10
WSW
PRECIP
chance %
0%
0%
0%
0%
0%
0%
1%
2%
3%
4%
5%
4%
5%
4%
5%
7%
4%
3%
3%
3%
3%
1%
0%
0%
0%
0%
0%
3%
4%
9%
24%
24%
24%
24%
24%
24%
16%
16%
16%
16%
16%
16%
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%
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%
CLOUDS
cover %
0%
clear
0%
68%
95%
100%
100%
100%
100%
13%
83%
31%
100%
100%
100%
100%
93%
98%
100%
100%
100%
79%
83%
6%
0%
0%
2%
38%
100%
100%
100%
100%
100%
100%
90%
94%
12%
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%
0%
6%
7%
5%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
5%
5%
5%
0%
0%
0%
0%
0%
0%
6%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
1%
1%
2%
2%
2%
2%
PRESSURE
hPa · trend
860
860862867865861863864861860862864862861863864862861862863
TemperatureWind / GustsPrecipitationCloud coverPressure
Nowscroll →
FISH INDEX
75
Temperature
Warm
Wind
Light
Pressure
Falling — Active
Moon Phase
Average
DAYLIGHT
SUNRISE
05:38 AM
SUNSET
08:26 PM
14H 48M OF DAYLIGHT19H 1M REMAINING
MOON PHASE
Waxing Gibbous
83% illuminated

Station Location

37.9677, -119.9174
Loading map…
DATA · USGS · NOAA · NWSUPDATED 2026-06-26 01:25 UTC
Site #11277300·USGS

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