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 4 hr ago
FLOW RATE
437cfs
AIR TEMP
97°F
WIND
3mph W
FISH INDEX
63SCORE / 100
GOOD · 3 OF 5
Flow Rate Historical Avg
MEDIAN FLOW RATE · 30 DAY
437cfs 11.2% vs avg
Optimal band: 5474 cfs
PERIOD HIGH
692cfs
PERIOD LOW
1cfs
RUNNABLE
10%
last 30 day in band
Precipitation History

Precipitation · YTD

Dry

Drier than normal

2026 to date

0.2in

-87% vs normal

0.19 in of precipitation so far this year, 87% below the 30-year normal of 1.42 in for this point in the season.

YTD Total

0.2in

This year so far

Normal to Date

1.4in

30-yr average

Typical Range

0.2–3.2in

10th–90th pct YTD

Departure

-87%

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: 0.07" (so far)· normal 0.02" (0.0–0.1)
Jun
Jul: 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 19912020 · Source: Open-Meteo02:56 AM
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Weather Conditions
WEATHER CONDITIONS
TODAY
108°
81°
THU
111°
82°
FRI
108°
79°
SAT
103°
75°
SUN
96°
66°
MON
99°
64°
TUE
101°
67°
TIME
THU
4
NOW
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
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
TEMP
hourly forecast
84°
mild
84°
83°
82°
87°
93°
97°
100°
104°
107°
109°
110°
111°
111°
109°
106°
101°
94°
91°
88°
87°
87°
85°
84°
83°
82°
81°
79°
83°
89°
93°
96°
99°
102°
105°
106°
108°
108°
106°
101°
90°
85°
83°
82°
83°
83°
80°
78°
76°
76°
75°
75°
79°
84°
88°
91°
93°
96°
100°
101°
103°
103°
96°
91°
86°
80°
75°
76°
76°
75°
73°
72°
70°
68°
67°
66°
68°
73°
77°
81°
85°
88°
91°
95°
96°
96°
95°
91°
85°
79°
76°
74°
71°
68°
67°
66°
66°
65°
65°
64°
69°
75°
81°
85°
89°
92°
95°
97°
98°
99°
98°
94°
90°
85°
WIND
mph · gust · dir
4mph NE
G 19 mph
4
G19
NE
5
G18
NNW
5
G16
WNW
5
G14
NW
8
G13
NW
6
G7
WNW
4
G6
W
3
G5
W
3
G8
SW
5
G10
SW
5
G11
SW
3
G12
SSW
5
G14
SW
20
G23
WNW
20
G26
NW
19
G30
NW
17
G36
NW
16
G33
NW
15
G27
NNW
16
G28
NNW
15
G26
NNW
16
G27
NNW
17
G25
NNW
15
G22
NNW
13
G22
NNW
12
G18
NNW
8
G18
NNW
12
G21
NW
12
G14
NW
8
G9
WNW
4
G6
WSW
3
G9
SW
4
G14
SW
7
G17
WSW
9
G19
W
10
G18
W
18
G20
WNW
20
WNW
29
WNW
37
G40
WNW
35
G49
W
33
G50
WNW
29
G46
W
24
G38
W
18
G29
W
12
G15
W
9
G12
WNW
6
G9
WNW
8
G12
NW
8
G11
WNW
8
G12
NW
9
G13
WNW
9
G12
W
7
G9
SW
8
SSW
6
G7
SW
8
WNW
11
G12
WSW
6
G13
SW
22
WNW
25
W
38
WNW
36
WNW
35
G38
WNW
34
G45
WNW
32
G46
WNW
28
G39
WNW
26
G37
WNW
22
G34
WNW
22
G33
WNW
21
G32
WNW
20
G30
WNW
21
G32
WNW
20
G31
WNW
19
G31
NW
19
G27
NW
19
G22
WNW
18
G19
WNW
16
G17
WNW
15
G16
WNW
13
G15
WNW
13
G16
WNW
13
G17
WNW
17
G19
W
19
W
23
W
23
W
26
G34
WNW
24
G36
WNW
20
G35
WNW
19
G33
WNW
16
G28
WNW
14
G25
NW
12
G20
NW
11
G15
NW
10
G12
NW
10
G11
NW
10
G11
NW
9
G11
NW
8
G14
NW
9
G12
NW
8
G10
NW
7
G8
WNW
5
WNW
5
G6
W
6
G7
SW
8
SW
7
G9
SW
7
G9
SW
6
G8
WSW
7
WSW
8
W
8
W
PRECIP
chance %
1%
1%
1%
1%
1%
1%
0%
0%
1%
1%
1%
1%
1%
1%
1%
1%
1%
1%
1%
1%
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%
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%
4%
3%
1%
0%
1%
4%
1%
0%
0%
0%
0%
0%
0%
0%
0%
100%
100%
28%
100%
83%
90%
100%
41%
0%
0%
48%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
5%
0%
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%
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%
PRESSURE
hPa · trend
1002
100210039991000100110049991001100110029971000100110039991000100110031000
TemperatureWind / GustsPrecipitationCloud coverPressure
Nowscroll →
FISH INDEX
63
Temperature
Too Hot
Wind
Calm
Pressure
Stable
Moon Phase
Average
DAYLIGHT
SUNRISE
05:33 AM
SUNSET
07:51 PM
14H 18M OF DAYLIGHT15H 32M REMAINING
MOON PHASE
Waxing Gibbous
76% illuminated

Station Location

32.7095, -115.0254
Loading map…
DATA · USGS · NOAA · NWSUPDATED 2026-06-25 04:19 UTC
Site #09527630·USGS

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