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Chattahoochee River At Helen, Ga Historical Data

Historical Data


Streamflow Range


Date Average 2026 2025 2024 2023 2022 2021 2020 2019 2018 2017 2016 2015 2014 2013 2012 2011
01-01 198.38
01-02 208.39
01-03 213.03
01-04 216.92
01-05 235.15
01-06 191.88
01-07 179.44
01-08 167.0
01-09 162.83
01-10 213.42
01-11 209.67
01-12 273.75
01-13 229.42
01-14 194.92
01-15 210.33
01-16 257.83
01-17 204.25
01-18 232.64
01-19 199.93
01-20 166.78
01-21 159.4
01-22 177.31
01-23 185.95
01-24 223.42
01-25 206.78
01-26 251.88
01-27 203.9
01-28 207.73
01-29 185.61
01-30 170.16
01-31 203.54
02-01 171.81
02-02 174.18
02-03 168.39
02-04 272.76
02-05 201.19
02-06 185.74
02-07 228.98
02-08 205.62
02-09 174.18
02-10 164.86
02-11 308.02
02-12 279.79
02-13 351.83
02-14 258.79
02-15 221.26
02-16 236.86
02-17 201.31
02-18 237.98
02-19 216.56
02-20 214.22
02-21 230.8
02-22 241.17
02-23 236.39
02-24 258.57
02-25 232.62
02-26 215.67
02-27 214.57
02-28 198.07
02-29 188.25
03-01 248.13
03-02 223.29
03-03 207.31
03-04 215.61
03-05 194.49
03-06 192.71
03-07 190.46
03-08 180.27
03-09 207.61
03-10 190.32
03-11 178.93
03-12 190.21
03-13 177.71
03-14 171.5
03-15 173.96
03-16 172.13
03-17 199.79
03-18 205.62
03-19 185.39
03-20 179.87
03-21 161.69
03-22 157.5
03-23 162.0
03-24 177.43
03-25 212.71
03-26 442.4
03-27 248.6
03-28 221.47
03-29 209.42
03-30 209.29
03-31 204.48
04-01 231.95
04-02 211.31
04-03 204.75
04-04 202.13
04-05 214.27
04-06 210.67
04-07 203.33
04-08 203.92
04-09 183.16
04-10 170.51
04-11 170.33
04-12 180.07
04-13 213.04
04-14 170.74
04-15 197.35
04-16 181.23
04-17 171.72
04-18 174.82
04-19 172.58
04-20 270.52
04-21 204.39
04-22 187.69
04-23 178.56
04-24 225.68
04-25 172.38
04-26 227.19
04-27 181.4
04-28 182.73
04-29 195.79
04-30 189.7
05-01 174.81
05-02 169.87
05-03 169.04
05-04 162.61
05-05 198.87
05-06 205.25
05-07 184.67
05-08 172.4
05-09 159.08
05-10 154.39
05-11 148.53
05-12 158.81
05-13 184.71
05-14 162.96
05-15 162.43
05-16 140.83
05-17 135.08
05-18 146.22
05-19 147.38
05-20 136.22
05-21 152.95
05-22 128.74
05-23 151.29
05-24 144.45
05-25 142.64
05-26 156.0
05-27 202.39
05-28 144.86
05-29 155.09
05-30 433.51
05-31 192.18
06-01 168.25
06-02 151.39
06-03 141.4
06-04 133.89
06-05 125.84
06-06 144.76
06-07 124.41
06-08 119.04
06-09 124.91
06-10 137.9
06-11 139.54
06-12 131.24
06-13 131.36
06-14 120.69
06-15 109.94
06-16 105.5
06-17 99.72
06-18 102.5
06-19 123.99
06-20 111.34
06-21 99.04
06-22 99.58
06-23 114.77
06-24 98.99
06-25 95.29
06-26 92.44
06-27 98.54
06-28 96.81
06-29 92.28
06-30 96.99
07-01 92.76
07-02 107.21
07-03 100.15
07-04 113.84
07-05 122.25
07-06 110.01
07-07 126.6
07-08 111.01
07-09 109.59
07-10 104.24
07-11 102.56
07-12 99.13
07-13 92.87
07-14 102.7
07-15 108.04
07-16 93.2
07-17 105.06
07-18 111.91
07-19 98.21
07-20 139.06
07-21 110.09
07-22 111.49
07-23 95.58
07-24 97.59
07-25 82.78
07-26 85.64
07-27 89.45
07-28 80.21
07-29 83.8
07-30 86.7
07-31 79.15
08-01 78.15
08-02 84.83
08-03 85.24
08-04 112.21
08-05 87.22
08-06 81.08
08-07 95.35
08-08 96.3
08-09 90.25
08-10 86.25
08-11 97.84
08-12 85.07
08-13 109.64
08-14 90.09
08-15 101.79
08-16 83.05
08-17 83.15
08-18 86.68
08-19 75.84
08-20 118.49
08-21 115.18
08-22 101.9
08-23 100.59
08-24 91.25
08-25 84.84
08-26 80.66
08-27 82.62
08-28 76.93
08-29 76.42
08-30 72.92
08-31 91.43
09-01 137.81
09-02 93.45
09-03 84.95
09-04 79.61
09-05 100.47
09-06 99.99
09-07 79.74
09-08 72.51
09-09 77.35
09-10 73.34
09-11 80.51
09-12 77.06
09-13 77.88
09-14 70.36
09-15 69.07
09-16 68.51
09-17 67.75
09-18 71.74
09-19 72.29
09-20 65.18
09-21 77.69
09-22 75.31
09-23 72.04
09-24 67.02
09-25 76.01
09-26 77.65
09-27 67.62
09-28 69.23
09-29 64.54
09-30 68.8
10-01 61.48
10-02 138.03
10-03 87.72
10-04 140.84
10-05 82.52
10-06 75.26
10-07 89.0
10-08 101.21
10-09 126.26
10-10 100.05
10-11 144.4
10-12 96.7
10-13 84.54
10-14 79.34
10-15 113.83
10-16 81.07
10-17 74.97
10-18 70.06
10-19 68.36
10-20 79.84
10-21 66.68
10-22 69.89
10-23 65.16
10-24 73.31
10-25 68.86
10-26 73.62
10-27 113.94
10-28 83.79
10-29 105.42
10-30 117.41
10-31 156.19
11-01 118.04
11-02 98.89
11-03 115.33
11-04 96.46
11-05 86.14
11-06 85.12
11-07 91.73
11-08 89.5
11-09 86.02
11-10 104.62
11-11 111.01
11-12 194.65
11-13 149.29
11-14 107.86
11-15 110.68
11-16 105.95
11-17 101.85
11-18 97.0
11-19 87.14
11-20 82.18
11-21 93.29
11-22 96.57
11-23 91.72
11-24 129.88
11-25 93.25
11-26 101.71
11-27 119.99
11-28 98.8
11-29 136.93
11-30 118.71
12-01 109.37
12-02 169.94
12-03 125.2
12-04 115.84
12-05 104.78
12-06 145.67
12-07 156.63
12-08 124.37
12-09 126.51
12-10 143.09
12-11 130.81
12-12 118.54
12-13 111.44
12-14 113.33
12-15 165.13
12-16 123.96
12-17 127.73
12-18 123.7
12-19 126.33
12-20 112.35
12-21 147.61
12-22 142.62
12-23 273.92
12-24 267.08
12-25 218.14
12-26 274.08
12-27 217.52
12-28 249.34
12-29 196.65
12-30 230.92
12-31 206.51

Annual Peak Streamflow


Seasonal Comparison


Oceanic Nino Index