Bill Williams River Below Alamo Dam, Az Historical Data

Historical Data


Streamflow Range


Date Average 2026 2025 2024 2023 2022 2021 2020 2019 2018 2017 2016 2015
01-01 22.6
01-02 22.59
01-03 24.64
01-04 24.97
01-05 23.15
01-06 23.33
01-07 19.77
01-08 22.63
01-09 25.61
01-10 21.71
01-11 22.51
01-12 23.48
01-13 23.79
01-14 24.14
01-15 24.2
01-16 24.81
01-17 25.29
01-18 25.71
01-19 25.9
01-20 26.31
01-21 23.06
01-22 23.32
01-23 23.41
01-24 24.53
01-25 25.72
01-26 28.04
01-27 29.41
01-28 30.67
01-29 92.03
01-30 85.7
01-31 85.08
02-01 30.33
02-02 34.04
02-03 34.18
02-04 34.19
02-05 34.45
02-06 23.72
02-07 23.91
02-08 23.84
02-09 23.5
02-10 23.89
02-11 23.64
02-12 23.62
02-13 23.41
02-14 23.37
02-15 23.42
02-16 23.7
02-17 23.26
02-18 23.23
02-19 23.78
02-20 23.71
02-21 23.51
02-22 23.67
02-23 23.82
02-24 23.81
02-25 24.44
02-26 24.91
02-27 24.49
02-28 24.57
02-29 23.03
03-01 24.61
03-02 24.83
03-03 25.14
03-04 25.14
03-05 25.44
03-06 25.44
03-07 25.68
03-08 25.66
03-09 25.91
03-10 26.1
03-11 26.01
03-12 25.96
03-13 133.31
03-14 178.32
03-15 503.53
03-16 54.48
03-17 73.82
03-18 122.07
03-19 114.63
03-20 116.55
03-21 648.21
03-22 536.14
03-23 380.27
03-24 302.51
03-25 160.59
03-26 158.19
03-27 157.93
03-28 156.86
03-29 158.11
03-30 139.58
03-31 164.83
04-01 149.57
04-02 173.66
04-03 174.42
04-04 163.33
04-05 162.53
04-06 174.73
04-07 162.44
04-08 163.06
04-09 174.8
04-10 161.86
04-11 163.09
04-12 174.32
04-13 174.4
04-14 173.47
04-15 191.14
04-16 219.58
04-17 219.98
04-18 220.37
04-19 222.02
04-20 220.52
04-21 179.14
04-22 194.58
04-23 196.44
04-24 168.09
04-25 167.51
04-26 153.73
04-27 143.43
04-28 133.29
04-29 133.98
04-30 146.04
05-01 123.08
05-02 121.05
05-03 121.91
05-04 107.55
05-05 77.2
05-06 69.91
05-07 70.25
05-08 74.43
05-09 57.34
05-10 63.21
05-11 55.88
05-12 55.63
05-13 48.02
05-14 49.89
05-15 54.61
05-16 53.83
05-17 53.3
05-18 46.48
05-19 46.85
05-20 50.74
05-21 48.31
05-22 48.01
05-23 47.34
05-24 47.52
05-25 46.37
05-26 46.7
05-27 46.8
05-28 46.85
05-29 48.59
05-30 49.31
05-31 50.13
06-01 48.83
06-02 48.94
06-03 49.59
06-04 49.46
06-05 51.02
06-06 48.45
06-07 50.83
06-08 48.81
06-09 49.34
06-10 48.61
06-11 48.97
06-12 47.72
06-13 48.44
06-14 25.59
06-15 25.77
06-16 25.51
06-17 60.23
06-18 59.99
06-19 28.84
06-20 29.13
06-21 30.23
06-22 28.48
06-23 59.99
06-24 59.93
06-25 59.41
06-26 61.87
06-27 28.46
06-28 27.97
06-29 28.17
06-30 28.51
07-01 28.44
07-02 28.07
07-03 27.69
07-04 25.25
07-05 26.67
07-06 26.91
07-07 27.67
07-08 27.58
07-09 26.96
07-10 27.8
07-11 27.83
07-12 27.79
07-13 28.28
07-14 27.93
07-15 28.21
07-16 28.39
07-17 27.14
07-18 26.48
07-19 24.15
07-20 25.73
07-21 29.99
07-22 30.69
07-23 29.72
07-24 29.83
07-25 25.25
07-26 25.66
07-27 25.51
07-28 25.53
07-29 25.71
07-30 22.84
07-31 22.73
08-01 24.08
08-02 23.47
08-03 26.39
08-04 26.39
08-05 23.76
08-06 23.89
08-07 24.26
08-08 27.04
08-09 27.09
08-10 28.07
08-11 29.42
08-12 24.21
08-13 24.44
08-14 24.4
08-15 26.76
08-16 25.94
08-17 26.36
08-18 25.97
08-19 24.03
08-20 24.08
08-21 24.58
08-22 25.54
08-23 28.29
08-24 28.36
08-25 27.75
08-26 24.84
08-27 25.39
08-28 25.84
08-29 24.32
08-30 24.51
08-31 22.58
09-01 24.35
09-02 24.46
09-03 24.46
09-04 23.11
09-05 23.13
09-06 25.71
09-07 25.73
09-08 23.76
09-09 20.93
09-10 23.43
09-11 23.59
09-12 25.49
09-13 25.06
09-14 25.82
09-15 25.76
09-16 24.59
09-17 24.31
09-18 23.64
09-19 24.01
09-20 24.9
09-21 25.59
09-22 25.8
09-23 23.66
09-24 24.43
09-25 24.68
09-26 24.38
09-27 26.41
09-28 27.64
09-29 27.02
09-30 27.14
10-01 21.37
10-02 22.0
10-03 22.2
10-04 24.31
10-05 22.46
10-06 22.8
10-07 20.67
10-08 21.21
10-09 21.52
10-10 21.6
10-11 23.04
10-12 22.76
10-13 23.28
10-14 23.29
10-15 22.24
10-16 24.16
10-17 22.13
10-18 24.34
10-19 25.3
10-20 25.09
10-21 25.09
10-22 23.11
10-23 23.27
10-24 22.53
10-25 22.54
10-26 22.54
10-27 22.86
10-28 20.37
10-29 20.5
10-30 19.06
10-31 20.36
11-01 18.94
11-02 17.53
11-03 17.03
11-04 16.5
11-05 16.1
11-06 16.98
11-07 16.86
11-08 16.87
11-09 19.32
11-10 18.87
11-11 18.66
11-12 18.74
11-13 18.72
11-14 18.97
11-15 18.83
11-16 19.14
11-17 19.75
11-18 20.78
11-19 20.66
11-20 20.54
11-21 19.54
11-22 19.22
11-23 18.85
11-24 18.66
11-25 18.59
11-26 19.89
11-27 21.33
11-28 21.17
11-29 20.23
11-30 19.01
12-01 19.38
12-02 19.11
12-03 18.8
12-04 18.52
12-05 18.02
12-06 20.21
12-07 19.68
12-08 19.61
12-09 20.69
12-10 19.32
12-11 19.38
12-12 20.56
12-13 17.22
12-14 18.55
12-15 21.21
12-16 19.93
12-17 19.5
12-18 20.74
12-19 19.05
12-20 21.76
12-21 21.21
12-22 21.46
12-23 22.13
12-24 22.47
12-25 22.26
12-26 21.9
12-27 21.85
12-28 23.61
12-29 22.04
12-30 21.96
12-31 22.65

Annual Peak Streamflow


Seasonal Comparison


Oceanic Nino Index