Overview Realtime Historical Map View
Heat Advisory
2026-07-15T20:00:00-04:00

* WHAT...Heat index values up to 104 expected. * WHERE...Southeast Michigan. * WHEN...Until 8 PM EDT Wednesday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses.

Malletts Creek At Ann Arbor, Mi 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 20.55
01-02 11.2
01-03 7.91
01-04 7.36
01-05 6.02
01-06 5.46
01-07 5.13
01-08 5.31
01-09 6.98
01-10 9.33
01-11 11.39
01-12 25.64
01-13 12.1
01-14 12.2
01-15 8.64
01-16 7.14
01-17 6.37
01-18 11.16
01-19 8.28
01-20 6.47
01-21 4.8
01-22 4.29
01-23 7.06
01-24 16.54
01-25 14.17
01-26 45.9
01-27 15.94
01-28 10.98
01-29 11.06
01-30 15.04
01-31 10.84
02-01 11.67
02-02 8.59
02-03 8.3
02-04 7.31
02-05 5.4
02-06 4.84
02-07 4.58
02-08 4.8
02-09 4.41
02-10 7.94
02-11 6.86
02-12 6.02
02-13 4.54
02-14 4.13
02-15 4.45
02-16 7.21
02-17 11.55
02-18 9.45
02-19 7.43
02-20 23.78
02-21 17.36
02-22 12.54
02-23 15.12
02-24 12.89
02-25 12.25
02-26 9.99
02-27 9.6
02-28 13.55
02-29 16.63
03-01 14.22
03-02 18.01
03-03 14.68
03-04 11.84
03-05 11.85
03-06 14.58
03-07 49.18
03-08 16.56
03-09 15.29
03-10 21.0
03-11 15.71
03-12 18.54
03-13 15.6
03-14 13.79
03-15 14.78
03-16 38.23
03-17 17.31
03-18 12.14
03-19 13.03
03-20 14.56
03-21 11.57
03-22 8.34
03-23 8.33
03-24 14.61
03-25 13.56
03-26 13.5
03-27 13.12
03-28 14.29
03-29 31.2
03-30 12.12
03-31 26.27
04-01 32.37
04-02 14.95
04-03 80.58
04-04 17.28
04-05 18.2
04-06 24.61
04-07 15.02
04-08 13.73
04-09 12.33
04-10 9.36
04-11 23.65
04-12 19.5
04-13 14.09
04-14 9.95
04-15 17.04
04-16 21.32
04-17 15.48
04-18 17.33
04-19 23.66
04-20 15.08
04-21 20.71
04-22 12.69
04-23 19.64
04-24 9.79
04-25 9.85
04-26 19.39
04-27 10.06
04-28 8.65
04-29 8.81
04-30 15.12
05-01 40.44
05-02 13.57
05-03 12.63
05-04 16.38
05-05 27.43
05-06 16.09
05-07 14.05
05-08 10.89
05-09 7.09
05-10 6.56
05-11 8.94
05-12 12.33
05-13 15.04
05-14 11.04
05-15 12.83
05-16 15.91
05-17 12.11
05-18 8.13
05-19 37.04
05-20 14.96
05-21 10.37
05-22 12.3
05-23 10.45
05-24 11.18
05-25 8.93
05-26 30.35
05-27 14.89
05-28 12.36
05-29 13.64
05-30 9.1
05-31 11.49
06-01 10.75
06-02 15.77
06-03 10.3
06-04 8.7
06-05 17.73
06-06 8.77
06-07 11.25
06-08 6.77
06-09 6.09
06-10 9.56
06-11 12.45
06-12 11.62
06-13 13.32
06-14 10.02
06-15 21.21
06-16 10.79
06-17 11.38
06-18 8.13
06-19 16.86
06-20 9.77
06-21 11.75
06-22 8.92
06-23 39.58
06-24 8.3
06-25 8.73
06-26 40.62
06-27 22.77
06-28 26.62
06-29 11.33
06-30 13.15
07-01 9.4
07-02 17.17
07-03 8.46
07-04 8.0
07-05 7.45
07-06 10.75
07-07 16.21
07-08 11.64
07-09 14.58
07-10 9.19
07-11 22.28
07-12 9.95
07-13 9.32
07-14 7.11
07-15 7.66
07-16 8.85
07-17 12.66
07-18 7.48
07-19 6.83
07-20 11.26
07-21 11.29
07-22 9.01
07-23 5.46
07-24 6.35
07-25 3.93
07-26 3.15
07-27 9.1
07-28 34.73
07-29 8.63
07-30 10.35
07-31 8.89
08-01 19.33
08-02 6.45
08-03 9.92
08-04 8.91
08-05 5.04
08-06 3.47
08-07 8.58
08-08 6.21
08-09 3.99
08-10 6.62
08-11 6.25
08-12 20.64
08-13 39.3
08-14 9.86
08-15 11.25
08-16 15.71
08-17 7.64
08-18 10.89
08-19 6.99
08-20 6.32
08-21 4.44
08-22 6.84
08-23 4.52
08-24 4.12
08-25 11.76
08-26 5.18
08-27 6.31
08-28 7.75
08-29 15.49
08-30 9.31
08-31 7.34
09-01 3.85
09-02 6.6
09-03 4.16
09-04 16.07
09-05 10.39
09-06 6.64
09-07 5.45
09-08 9.51
09-09 10.67
09-10 8.36
09-11 12.65
09-12 12.52
09-13 7.25
09-14 6.27
09-15 5.89
09-16 3.72
09-17 3.19
09-18 3.19
09-19 4.89
09-20 6.05
09-21 10.33
09-22 24.14
09-23 32.87
09-24 7.16
09-25 6.26
09-26 7.42
09-27 7.19
09-28 10.96
09-29 8.45
09-30 11.49
10-01 9.15
10-02 7.26
10-03 7.74
10-04 9.23
10-05 5.94
10-06 14.4
10-07 10.62
10-08 7.01
10-09 4.61
10-10 4.15
10-11 4.4
10-12 7.76
10-13 6.85
10-14 9.72
10-15 9.77
10-16 5.84
10-17 4.87
10-18 4.8
10-19 5.25
10-20 10.53
10-21 11.15
10-22 9.71
10-23 6.92
10-24 7.71
10-25 12.07
10-26 9.14
10-27 17.71
10-28 10.7
10-29 10.2
10-30 15.42
10-31 10.16
11-01 15.45
11-02 21.59
11-03 11.75
11-04 7.81
11-05 6.56
11-06 5.96
11-07 5.89
11-08 3.98
11-09 5.21
11-10 6.47
11-11 4.75
11-12 3.89
11-13 5.24
11-14 4.02
11-15 6.42
11-16 6.75
11-17 4.72
11-18 12.21
11-19 13.75
11-20 7.07
11-21 4.22
11-22 6.64
11-23 12.86
11-24 13.65
11-25 10.03
11-26 8.48
11-27 8.57
11-28 13.32
11-29 14.14
11-30 20.64
12-01 8.14
12-02 11.59
12-03 8.38
12-04 6.97
12-05 7.7
12-06 9.09
12-07 7.76
12-08 5.16
12-09 4.52
12-10 5.21
12-11 12.54
12-12 5.89
12-13 6.42
12-14 4.87
12-15 7.34
12-16 8.33
12-17 6.96
12-18 4.76
12-19 6.83
12-20 5.56
12-21 10.8
12-22 15.14
12-23 10.55
12-24 10.02
12-25 9.86
12-26 7.51
12-27 6.8
12-28 8.56
12-29 12.25
12-30 17.24
12-31 17.74

Annual Peak Streamflow


Seasonal Comparison


Oceanic Nino Index