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Walnut Creek Near Hartwick, Ia 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 66.77
01-02 81.37
01-03 76.07
01-04 71.93
01-05 70.03
01-06 66.97
01-07 67.6
01-08 106.6
01-09 125.2
01-10 69.67
01-11 63.85
01-12 82.23
01-13 76.2
01-14 66.43
01-15 65.23
01-16 54.13
01-17 70.5
01-18 125.0
01-19 112.25
01-20 97.5
01-21 84.0
01-22 83.2
01-23 62.3
01-24 66.75
01-25 58.4
01-26 66.5
01-27 67.1
01-28 69.6
02-03 7.7
02-04 8.4
02-05 6.6
02-06 7.4
02-07 6.4
02-08 6.9
02-14 10.0
02-15 11.0
02-16 9.2
02-17 5.9
02-18 4.8
02-19 4.3
02-20 4.5
02-21 6.2
02-22 5.7
02-23 5.5
02-24 62.0
02-25 30.6
02-26 26.75
02-27 27.2
02-28 27.85
02-29 25.35
03-01 26.5
03-02 23.35
03-03 23.63
03-04 21.4
03-05 31.7
03-06 31.04
03-07 30.12
03-08 25.7
03-09 24.64
03-10 32.16
03-11 59.58
03-12 42.42
03-13 45.83
03-14 42.24
03-15 49.79
03-16 51.44
03-17 43.07
03-18 39.23
03-19 46.63
03-20 56.53
03-21 46.06
03-22 30.37
03-23 35.58
03-24 42.45
03-25 39.02
03-26 49.26
03-27 42.11
03-28 46.2
03-29 41.28
03-30 42.31
03-31 43.44
04-01 42.36
04-02 37.44
04-03 41.53
04-04 69.96
04-05 55.96
04-06 57.01
04-07 50.39
04-08 46.16
04-09 44.1
04-10 67.8
04-11 61.48
04-12 53.87
04-13 48.45
04-14 57.98
04-15 51.48
04-16 173.89
04-17 67.09
04-18 167.24
04-19 93.41
04-20 92.05
04-21 66.34
04-22 57.88
04-23 57.71
04-24 58.19
04-25 61.0
04-26 55.0
04-27 49.76
04-28 49.69
04-29 54.81
04-30 57.85
05-01 65.49
05-02 52.34
05-03 56.72
05-04 84.2
05-05 104.34
05-06 70.67
05-07 61.39
05-08 54.81
05-09 60.17
05-10 58.43
05-11 60.45
05-12 53.7
05-13 51.33
05-14 48.68
05-15 52.74
05-16 48.32
05-17 56.67
05-18 57.93
05-19 94.15
05-20 72.29
05-21 78.75
05-22 94.31
05-23 70.77
05-24 69.97
05-25 100.23
05-26 94.65
05-27 78.57
05-28 73.86
05-29 140.9
05-30 218.63
05-31 84.21
06-01 70.6
06-02 63.23
06-03 58.41
06-04 57.4
06-05 54.61
06-06 65.69
06-07 59.39
06-08 54.42
06-09 50.01
06-10 80.93
06-11 94.83
06-12 75.46
06-13 60.98
06-14 54.49
06-15 82.47
06-16 69.76
06-17 57.39
06-18 79.06
06-19 56.72
06-20 81.21
06-21 97.6
06-22 79.46
06-23 116.65
06-24 85.08
06-25 209.82
06-26 101.17
06-27 88.15
06-28 87.42
06-29 94.77
06-30 72.27
07-01 646.04
07-02 78.6
07-03 63.68
07-04 53.82
07-05 47.09
07-06 57.45
07-07 57.29
07-08 46.38
07-09 40.94
07-10 51.23
07-11 38.08
07-12 131.21
07-13 59.95
07-14 44.63
07-15 41.78
07-16 36.58
07-17 36.0
07-18 33.57
07-19 32.32
07-20 55.78
07-21 51.89
07-22 40.8
07-23 36.04
07-24 34.68
07-25 35.29
07-26 38.91
07-27 36.16
07-28 30.94
07-29 73.69
07-30 63.93
07-31 66.59
08-01 48.62
08-02 37.2
08-03 32.35
08-04 31.84
08-05 32.9
08-06 27.0
08-07 28.03
08-08 22.47
08-09 19.11
08-10 17.46
08-11 34.47
08-12 99.72
08-13 40.01
08-14 26.91
08-15 23.96
08-16 22.06
08-17 19.99
08-18 15.02
08-19 14.04
08-20 13.21
08-21 25.09
08-22 17.65
08-23 17.59
08-24 15.74
08-25 14.94
08-26 15.75
08-27 13.9
08-28 13.57
08-29 16.47
08-30 15.08
08-31 14.04
09-01 46.41
09-02 303.61
09-03 56.09
09-04 104.05
09-05 38.04
09-06 50.68
09-07 32.77
09-08 31.52
09-09 26.86
09-10 25.5
09-11 32.39
09-12 33.94
09-13 26.12
09-14 24.32
09-15 20.28
09-16 21.44
09-17 28.11
09-18 26.89
09-19 48.14
09-20 33.63
09-21 30.43
09-22 21.74
09-23 23.86
09-24 22.61
09-25 21.22
09-26 27.59
09-27 23.31
09-28 21.48
09-29 20.05
09-30 20.33
10-01 12.51
10-02 90.01
10-03 38.15
10-04 21.59
10-05 24.09
10-06 43.51
10-07 32.22
10-08 37.37
10-09 142.23
10-10 85.71
10-11 43.73
10-12 33.51
10-13 28.52
10-14 29.45
10-15 45.63
10-16 11.85
10-17 20.58
10-18 19.83
10-19 23.48
10-20 22.59
10-21 15.86
10-22 17.97
10-23 36.83
10-24 28.37
10-25 24.28
10-26 19.08
10-27 23.4
10-28 27.49
10-29 24.45
10-30 22.81
10-31 21.37
11-01 20.7
11-02 16.25
11-03 19.33
11-04 19.56
11-05 26.11
11-06 24.56
11-07 21.18
11-08 20.01
11-09 19.7
11-10 19.2
11-11 21.92
11-12 29.9
11-13 21.23
11-14 19.1
11-15 18.25
11-16 17.32
11-17 17.02
11-18 12.06
11-19 12.56
11-20 12.15
11-21 17.91
11-22 18.86
11-23 17.44
11-24 19.33
11-25 20.46
11-26 27.9
11-27 64.33
11-28 20.41
11-29 30.17
11-30 29.31
12-01 39.98
12-02 35.69
12-03 31.92
12-04 30.96
12-05 32.92
12-06 31.6
12-07 30.65
12-08 32.61
12-09 32.1
12-10 29.22
12-11 32.05
12-12 30.22
12-13 25.41
12-14 18.03
12-15 17.24
12-16 17.05
12-17 46.87
12-18 39.28
12-19 41.24
12-20 22.91
12-21 20.79
12-22 44.02
12-23 49.93
12-24 128.15
12-25 75.14
12-26 61.02
12-27 58.9
12-28 85.91
12-29 63.76
12-30 58.89
12-31 64.02

Annual Peak Streamflow


Seasonal Comparison


Oceanic Nino Index