Overview Realtime Historical Map View
Heat Advisory
2026-07-21T20:00:00-05:00

* WHAT...Heat index values up to 109. * WHERE...Portions of northwest Louisiana and east and northeast Texas. * WHEN...Until 8 PM CDT Tuesday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses.

Cypress Bayou Near Keithville, La Historical Data

Historical Data


Streamflow Range


Date Average 2026 2025 2024 2023 2022 2021 2020 2019 2018 2017 2016 2015 2014 2013 2012 2011
01-01 144.07
01-02 142.82
01-03 104.25
01-04 526.35
01-05 100.44
01-06 23.61
01-07 30.5
01-08 61.9
01-09 23.16
01-10 160.66
01-11 162.93
01-12 57.62
01-13 29.19
01-14 134.77
01-15 80.13
01-16 22.7
01-17 43.11
01-18 16.63
01-19 36.87
01-20 22.04
01-21 13.24
01-22 34.65
01-23 52.23
01-24 289.68
01-25 360.02
01-26 178.2
01-27 69.08
01-28 55.72
01-29 24.92
01-30 54.81
01-31 46.03
02-01 36.65
02-02 38.48
02-03 237.89
02-04 73.53
02-05 62.03
02-06 32.36
02-07 19.48
02-08 41.66
02-09 16.33
02-10 13.74
02-11 264.98
02-12 233.77
02-13 328.22
02-14 87.64
02-15 41.44
02-16 66.28
02-17 90.34
02-18 35.38
02-19 79.02
02-20 123.17
02-21 126.05
02-22 340.0
02-23 159.65
02-24 114.12
02-25 48.6
02-26 53.7
02-27 70.08
02-28 30.96
02-29 11.58
03-01 20.69
03-02 155.45
03-03 80.71
03-04 49.77
03-05 313.3
03-06 119.04
03-07 36.29
03-08 18.96
03-09 672.0
03-10 518.63
03-11 333.78
03-12 376.81
03-13 249.58
03-14 161.05
03-15 88.96
03-16 67.99
03-17 70.16
03-18 111.76
03-19 44.57
03-20 28.78
03-21 61.63
03-22 176.51
03-23 329.41
03-24 94.21
03-25 34.53
03-26 27.59
03-27 19.76
03-28 20.22
03-29 202.68
03-30 236.09
03-31 41.93
04-01 37.12
04-02 24.79
04-03 42.29
04-04 44.6
04-05 36.42
04-06 66.64
04-07 309.66
04-08 249.75
04-09 92.59
04-10 746.59
04-11 164.26
04-12 40.48
04-13 39.8
04-14 83.82
04-15 92.32
04-16 31.26
04-17 54.42
04-18 58.83
04-19 61.45
04-20 163.46
04-21 82.96
04-22 68.09
04-23 93.92
04-24 65.11
04-25 82.58
04-26 63.4
04-27 24.55
04-28 75.25
04-29 16.73
04-30 56.78
05-01 190.6
05-02 132.06
05-03 83.82
05-04 59.38
05-05 150.15
05-06 57.74
05-07 54.52
05-08 54.39
05-09 86.93
05-10 87.21
05-11 25.4
05-12 318.09
05-13 98.13
05-14 30.68
05-15 45.27
05-16 22.76
05-17 10.66
05-18 23.39
05-19 421.2
05-20 85.19
05-21 23.94
05-22 57.67
05-23 65.27
05-24 20.74
05-25 23.16
05-26 47.9
05-27 188.75
05-28 202.31
05-29 48.26
05-30 21.53
05-31 26.12
06-01 29.15
06-02 12.93
06-03 20.12
06-04 10.61
06-05 30.56
06-06 19.04
06-07 37.13
06-08 43.42
06-09 39.1
06-10 13.85
06-11 14.22
06-12 34.78
06-13 10.84
06-14 7.08
06-15 9.38
06-16 23.8
06-17 39.3
06-18 9.03
06-19 250.77
06-20 32.76
06-21 23.74
06-22 11.17
06-23 8.67
06-24 8.7
06-25 39.98
06-26 11.94
06-27 7.81
06-28 4.88
06-29 4.61
06-30 9.41
07-01 5.12
07-02 7.71
07-03 7.65
07-04 5.9
07-05 4.52
07-06 6.64
07-07 5.38
07-08 43.02
07-09 8.71
07-10 4.06
07-11 3.26
07-12 3.43
07-13 11.25
07-14 4.16
07-15 2.71
07-16 2.8
07-17 2.77
07-18 2.39
07-19 3.94
07-20 3.66
07-21 3.24
07-22 2.56
07-23 2.58
07-24 4.89
07-25 3.68
07-26 3.29
07-27 7.22
07-28 3.37
07-29 2.43
07-30 2.33
07-31 3.92
08-01 4.34
08-02 3.19
08-03 2.9
08-04 2.99
08-05 2.16
08-06 1.92
08-07 1.74
08-08 4.64
08-09 3.27
08-10 2.01
08-11 1.97
08-12 2.45
08-13 40.07
08-14 27.29
08-15 15.22
08-16 5.23
08-17 7.32
08-18 10.64
08-19 17.12
08-20 8.32
08-21 10.26
08-22 6.77
08-23 43.03
08-24 46.82
08-25 4.7
08-26 47.33
08-27 6.42
08-28 6.5
08-29 4.52
08-30 69.42
08-31 73.46
09-01 72.63
09-02 31.25
09-03 45.81
09-04 7.14
09-05 4.86
09-06 4.97
09-07 5.18
09-08 4.28
09-09 3.4
09-10 3.27
09-11 3.49
09-12 4.88
09-13 3.29
09-14 3.31
09-15 3.08
09-16 2.74
09-17 3.21
09-18 3.45
09-19 3.79
09-20 3.71
09-21 3.85
09-22 3.51
09-23 3.59
09-24 3.88
09-25 3.13
09-26 3.67
09-27 3.26
09-28 2.76
09-29 2.53
09-30 8.95
10-01 52.32
10-02 6.49
10-03 4.45
10-04 3.4
10-05 3.17
10-06 2.96
10-07 3.03
10-08 3.04
10-09 3.08
10-10 3.67
10-11 5.67
10-12 5.17
10-13 5.57
10-14 5.0
10-15 9.02
10-16 5.8
10-17 55.73
10-18 16.68
10-19 5.91
10-20 4.44
10-21 4.95
10-22 4.65
10-23 3.27
10-24 3.81
10-25 3.67
10-26 40.37
10-27 14.85
10-28 6.0
10-29 5.26
10-30 4.72
10-31 4.17
11-01 11.13
11-02 13.47
11-03 11.88
11-04 5.31
11-05 20.29
11-06 9.36
11-07 49.24
11-08 69.95
11-09 45.31
11-10 75.46
11-11 10.34
11-12 15.24
11-13 336.0
11-14 47.04
11-15 13.04
11-16 9.82
11-17 7.57
11-18 7.42
11-19 6.97
11-20 12.88
11-21 11.56
11-22 8.55
11-23 24.9
11-24 15.61
11-25 22.18
11-26 19.53
11-27 30.86
11-28 8.61
11-29 5.6
11-30 48.93
12-01 62.43
12-02 18.36
12-03 8.59
12-04 13.84
12-05 8.01
12-06 27.03
12-07 6.61
12-08 48.47
12-09 148.71
12-10 39.57
12-11 15.28
12-12 10.25
12-13 8.7
12-14 56.1
12-15 87.73
12-16 39.54
12-17 17.41
12-18 13.02
12-19 8.85
12-20 23.41
12-21 29.21
12-22 50.02
12-23 93.18
12-24 19.26
12-25 11.97
12-26 180.0
12-27 57.28
12-28 322.93
12-29 47.75
12-30 55.95
12-31 146.8

Annual Peak Streamflow


Seasonal Comparison


Oceanic Nino Index