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Ahtanum Creek At Union Gap, Wa 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 43.59
01-02 43.64
01-03 46.54
01-04 48.27
01-05 48.31
01-06 56.6
01-07 49.96
01-08 49.43
01-09 48.17
01-10 51.18
01-11 45.45
01-12 45.78
01-13 43.01
01-14 57.09
01-15 50.57
01-16 53.35
01-17 51.05
01-18 50.74
01-19 70.24
01-20 58.52
01-21 56.49
01-22 55.29
01-23 57.15
01-24 54.93
01-25 60.03
01-26 60.86
01-27 57.1
01-28 59.25
01-29 63.92
01-30 59.03
01-31 60.34
02-01 66.88
02-02 68.55
02-03 65.53
02-04 71.36
02-05 81.85
02-06 91.23
02-07 105.21
02-08 116.1
02-09 110.27
02-10 98.6
02-11 97.94
02-12 95.45
02-13 87.23
02-14 89.18
02-15 103.65
02-16 103.78
02-17 98.43
02-18 96.68
02-19 88.46
02-20 81.28
02-21 77.22
02-22 73.99
02-23 99.92
02-24 79.45
02-25 85.57
02-26 79.43
02-27 75.58
02-28 76.63
02-29 96.6
03-01 65.82
03-02 81.88
03-03 80.35
03-04 79.76
03-05 80.66
03-06 86.25
03-07 135.67
03-08 123.93
03-09 109.63
03-10 120.29
03-11 117.96
03-12 108.34
03-13 106.88
03-14 113.7
03-15 120.68
03-16 120.25
03-17 115.64
03-18 112.13
03-19 155.97
03-20 162.2
03-21 174.23
03-22 196.21
03-23 175.52
03-24 167.47
03-25 174.43
03-26 171.71
03-27 171.6
03-28 127.2
03-29 148.94
03-30 149.36
03-31 166.39
04-01 160.62
04-02 154.04
04-03 151.25
04-04 151.88
04-05 153.0
04-06 133.73
04-07 156.08
04-08 172.96
04-09 125.83
04-10 176.91
04-11 177.62
04-12 187.63
04-13 183.41
04-14 181.41
04-15 146.22
04-16 115.03
04-17 85.54
04-18 111.15
04-19 108.75
04-20 111.94
04-21 124.94
04-22 132.44
04-23 140.39
04-24 146.16
04-25 157.36
04-26 146.61
04-27 143.45
04-28 141.85
04-29 136.74
04-30 121.35
05-01 132.19
05-02 118.62
05-03 115.36
05-04 140.25
05-05 160.19
05-06 172.92
05-07 177.72
05-08 157.22
05-09 184.37
05-10 170.24
05-11 180.34
05-12 180.13
05-13 182.36
05-14 164.86
05-15 179.42
05-16 234.5
05-17 242.31
05-18 216.23
05-19 201.79
05-20 193.76
05-21 195.15
05-22 193.51
05-23 179.28
05-24 169.06
05-25 166.64
05-26 160.13
05-27 152.89
05-28 149.53
05-29 147.21
05-30 148.15
05-31 146.73
06-01 137.39
06-02 143.86
06-03 139.69
06-04 138.87
06-05 140.85
06-06 138.75
06-07 134.38
06-08 133.94
06-09 130.59
06-10 121.42
06-11 113.34
06-12 115.09
06-13 112.42
06-14 106.11
06-15 95.33
06-16 93.35
06-17 88.14
06-18 88.37
06-19 91.1
06-20 82.81
06-21 76.79
06-22 72.81
06-23 71.98
06-24 68.66
06-25 63.2
06-26 56.42
06-27 54.22
06-28 50.15
06-29 47.55
06-30 45.76
07-01 44.81
07-02 41.27
07-03 38.86
07-04 39.04
07-05 36.87
07-06 34.29
07-07 32.41
07-08 31.75
07-09 31.95
07-10 29.58
07-11 29.19
07-12 34.38
07-13 32.69
07-14 30.38
07-15 29.11
07-16 29.21
07-17 27.07
07-18 27.55
07-19 26.23
07-20 24.9
07-21 23.46
07-22 23.06
07-23 20.96
07-24 22.15
07-25 20.81
07-26 20.94
07-27 20.57
07-28 19.98
07-29 19.97
07-30 18.59
07-31 18.07
08-01 16.91
08-02 17.35
08-03 16.57
08-04 16.85
08-05 16.42
08-06 16.91
08-07 16.73
08-08 17.78
08-09 17.23
08-10 16.75
08-11 17.75
08-12 17.52
08-13 17.13
08-14 16.57
08-15 16.74
08-16 17.6
08-17 17.58
08-18 16.91
08-19 16.24
08-20 16.79
08-21 16.8
08-22 16.29
08-23 16.96
08-24 17.12
08-25 16.39
08-26 17.07
08-27 16.68
08-28 16.71
08-29 16.54
08-30 16.22
08-31 16.32
09-01 16.49
09-02 16.94
09-03 16.74
09-04 16.99
09-05 17.05
09-06 16.86
09-07 18.69
09-08 17.61
09-09 18.04
09-10 18.04
09-11 17.79
09-12 18.03
09-13 18.12
09-14 18.52
09-15 18.46
09-16 19.08
09-17 18.61
09-18 19.46
09-19 19.81
09-20 19.89
09-21 20.47
09-22 19.99
09-23 20.03
09-24 20.39
09-25 20.48
09-26 20.55
09-27 20.61
09-28 20.74
09-29 21.36
09-30 23.02
10-01 22.72
10-02 22.75
10-03 23.25
10-04 22.69
10-05 21.71
10-06 22.31
10-07 22.17
10-08 22.02
10-09 22.13
10-10 22.94
10-11 23.92
10-12 23.74
10-13 24.99
10-14 26.16
10-15 28.81
10-16 29.41
10-17 29.26
10-18 27.5
10-19 26.38
10-20 27.82
10-21 27.89
10-22 29.38
10-23 43.02
10-24 35.13
10-25 33.79
10-26 29.73
10-27 32.75
10-28 34.37
10-29 38.63
10-30 41.04
10-31 38.68
11-01 41.9
11-02 40.91
11-03 42.31
11-04 41.84
11-05 41.52
11-06 47.33
11-07 47.67
11-08 48.7
11-09 45.95
11-10 44.81
11-11 45.2
11-12 44.36
11-13 46.35
11-14 42.01
11-15 44.12
11-16 44.51
11-17 36.23
11-18 43.73
11-19 42.13
11-20 41.51
11-21 48.08
11-22 48.35
11-23 41.41
11-24 46.98
11-25 43.84
11-26 69.4
11-27 62.27
11-28 55.92
11-29 53.59
11-30 52.23
12-01 47.54
12-02 49.92
12-03 54.48
12-04 47.46
12-05 46.16
12-06 41.08
12-07 47.55
12-08 37.52
12-09 77.53
12-10 72.89
12-11 72.29
12-12 74.54
12-13 56.95
12-14 48.98
12-15 47.16
12-16 43.81
12-17 44.51
12-18 55.78
12-19 56.27
12-20 71.58
12-21 66.9
12-22 66.16
12-23 56.82
12-24 50.32
12-25 47.32
12-26 53.28
12-27 45.98
12-28 51.82
12-29 51.59
12-30 53.39
12-31 47.52

Annual Peak Streamflow


Seasonal Comparison


Oceanic Nino Index