Waterlands
Brock Reservoir Inlet
USGS · 09527630
BROCK RESERVOIR INLET
USGS · 09527630LIVE

BROCK RESERVOIR INLET NEAR CALEXICO, CA

IMPERIAL COUNTY, CA32.7095°N, -115.0254°W Updated 20 min ago
FLOW RATE
4.32cfs
GAUGE HT
24.39ft
AIR TEMP
102°F
WIND
6mph SSW
FISH INDEX
63SCORE / 100
GOOD · 3 OF 5
Flow Rate Historical Avg
MEDIAN FLOW RATE · 1 DAY
4.32cfs 99.1% vs avg
Optimal band: 4–5 cfs
PERIOD HIGH
13.1cfs
PERIOD LOW
4.32cfs
RUNNABLE
72%
last 1 day in band

Gauge Height

24.39ft
Precipitation History

Precipitation · YTD

Dry

Drier than normal

2026 to date

0.2in

-86% vs normal

0.21 in of precipitation so far this year, 86% below the 30-year normal of 1.53 in for this point in the season.

YTD Total

0.2in

This year so far

Normal to Date

1.5in

30-yr average

Typical Range

0.3–3.2in

10th–90th pct YTD

Departure

-86%

vs 30-yr normal

By Month

This year
Typical range
Normal
Jan: 0.00" · normal 0.40" (0.0–1.1)
Jan
Feb: 0.11" · normal 0.56" (0.0–1.7)
Feb
Mar: 0.00" · normal 0.31" (0.0–0.7)
Mar
Apr: 0.00" · normal 0.11" (0.0–0.3)
Apr
May: 0.00" · normal 0.03" (0.0–0.0)
May
Jun: 0.08" · normal 0.02" (0.0–0.1)
Jun
Jul: 0.01" (so far)· normal 0.21" (0.0–0.5)
Jul
Aug: normal 0.41" (0.0–0.9)
Aug
Sep: normal 0.37" (0.0–0.8)
Sep
Oct: normal 0.22" (0.0–0.6)
Oct
Nov: normal 0.19" (0.0–0.5)
Nov
Dec: normal 0.33" (0.0–0.8)
Dec
Baseline 1991–2020 · Source: Open-Meteo01:03 UTC
Your History · BROCK RESERVOIR INLET NEAR CALEXICO, CA

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Weather Conditions
WEATHER CONDITIONS
TODAY
103°
83°
MON
108°
82°
TUE
110°
85°
WED
110°
86°
THU
107°
85°
FRI
107°
87°
SAT
108°
85°
TIME
MON
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
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
9
pm
10
pm
11
pm
WED
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
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
TEMP
hourly forecast
86°
mild
86°
84°
83°
83°
82°
85°
88°
92°
96°
100°
102°
104°
106°
107°
108°
107°
107°
105°
101°
99°
96°
94°
92°
91°
89°
89°
87°
86°
85°
88°
91°
95°
99°
103°
106°
108°
110°
110°
110°
109°
107°
105°
98°
93°
95°
94°
93°
89°
89°
87°
87°
86°
86°
91°
95°
97°
100°
103°
106°
109°
110°
110°
110°
108°
105°
101°
96°
93°
91°
90°
88°
88°
88°
87°
87°
85°
85°
88°
91°
95°
98°
102°
104°
106°
107°
107°
106°
105°
103°
100°
95°
92°
90°
90°
89°
89°
87°
88°
88°
88°
88°
89°
91°
93°
95°
96°
99°
102°
104°
106°
107°
107°
104°
WIND
mph · gust · dir
7mph S
G 17 mph
7
G17
S
7
G14
SSW
4
G6
ENE
7
G9
ESE
8
G14
ESE
9
G20
SE
11
G17
SE
8
G12
SE
6
G8
SSE
6
G10
SSE
5
G10
SE
6
G10
SE
7
G11
SE
8
G10
SE
7
G9
S
7
G9
SSW
9
G10
SSW
5
S
5
G8
SSE
9
G18
SSW
8
G16
SSW
9
G20
S
2
G6
NE
6
G15
SSE
8
G13
SE
7
G11
SE
6
G9
SE
6
G10
SSE
5
G8
ESE
6
G12
SE
6
G10
SSE
6
G8
SSE
6
G7
SSE
4
G5
SSE
3
G5
SSE
4
G9
SE
5
G7
E
5
SSE
8
SW
6
SW
8
SW
7
G8
WSW
6
W
1
G3
N
7
G10
SSE
10
G12
SSW
10
G11
SSW
3
G5
SSW
5
N
4
NNW
5
NNW
4
N
4
G6
ENE
7
G11
ESE
14
G15
SSE
13
SSE
11
SSE
11
SSE
11
SSE
13
SSE
15
SSE
15
SSE
17
SSE
18
SSE
17
SSE
16
SSE
14
G20
SSE
14
G21
SSE
14
G22
SSE
14
G24
SSE
14
G22
SE
17
G25
ESE
18
G27
SE
14
G24
SE
11
G19
SE
9
G13
SE
9
G14
SE
11
G19
SE
13
G17
SSE
14
G15
SE
13
G15
SSE
14
G15
SSE
15
SSE
17
SSE
19
SSE
20
SSE
19
SSE
18
SSE
18
S
16
G17
S
16
G22
S
16
G25
SSE
15
G25
SSE
14
G24
SE
13
G21
SSE
11
G18
SE
10
G16
SE
9
G17
SE
9
G14
SE
8
G13
ESE
9
G15
ESE
10
G16
SE
13
G15
SE
14
G15
SE
12
G13
SE
11
G13
SE
10
G12
SE
10
G11
ESE
10
ESE
10
SE
10
SE
8
SE
4
G11
SSW
PRECIP
chance %
2%
2%
3%
4%
4%
5%
5%
2%
4%
6%
7%
10%
11%
10%
12%
5%
3%
4%
4%
3%
3%
3%
2%
2%
2%
2%
2%
2%
1%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
11%
11%
11%
11%
11%
11%
1%
1%
1%
1%
1%
1%
1%
1%
1%
1%
1%
1%
3%
3%
3%
3%
3%
3%
3%
3%
3%
3%
3%
3%
0%
0%
0%
0%
0%
0%
10%
10%
10%
10%
10%
10%
3%
3%
3%
3%
3%
3%
4%
4%
4%
4%
4%
4%
11%
11%
11%
11%
11%
11%
11%
11%
11%
11%
11%
11%
16%
CLOUDS
cover %
79%
mostly
79%
91%
100%
100%
45%
72%
8%
3%
2%
29%
5%
5%
3%
82%
0%
0%
39%
100%
100%
100%
100%
100%
100%
100%
100%
82%
82%
95%
100%
13%
72%
94%
100%
21%
31%
5%
5%
2%
3%
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%
100%
100%
0%
100%
100%
100%
6%
6%
6%
0%
0%
0%
0%
5%
61%
10%
10%
10%
5%
5%
10%
91%
14%
75%
24%
8%
81%
66%
100%
100%
100%
100%
100%
100%
100%
100%
100%
97%
91%
82%
63%
41%
26%
24%
PRESSURE
hPa · trend
1005
100510081005100410061007100410001001100310009991001100210001000100210041003
TemperatureWind / GustsPrecipitationCloud coverPressure
Nowscroll →
FISH INDEX
63
Temperature
Too Hot
Wind
Light
Pressure
Rising — Slow
Moon Phase
Peak Activity
DAYLIGHT
SUNRISE
05:41 AM
SUNSET
07:49 PM
14H 8M OF DAYLIGHT
MOON PHASE
New Moon
3% illuminated
PEAK ACTIVITY

Station Location

32.7095, -115.0254
Loading map…
DATA · USGS · NOAA · NWSUPDATED 2026-07-13 01:45 UTC
Site #09527630·USGS

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