Overview Realtime Historical Map View
Frost Advisory
2026-10-24T09:00:00-07:00

* WHAT...Temperatures of 33 to 36 degrees will result in frost formation. * WHERE...Portions of northwest and west central Oregon and southwest Washington. * WHEN...From 11 PM Friday to 9 AM PDT Saturday. * IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered.

Johnson Creek At Milwaukie, Or 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 88.81
01-02 83.25
01-03 104.13
01-04 142.9
01-05 129.18
01-06 163.42
01-07 175.26
01-08 130.38
01-09 139.99
01-10 136.36
01-11 115.66
01-12 157.9
01-13 185.78
01-14 130.07
01-15 98.34
01-16 108.13
01-17 110.39
01-18 178.25
01-19 247.22
01-20 251.31
01-21 156.29
01-22 141.23
01-23 146.07
01-24 128.39
01-25 151.76
01-26 111.95
01-27 115.76
01-28 154.65
01-29 150.1
01-30 158.71
01-31 114.11
02-01 90.61
02-02 94.12
02-03 91.76
02-04 82.22
02-05 68.61
02-06 87.42
02-07 79.71
02-08 88.57
02-09 90.94
02-10 80.54
02-11 73.65
02-12 110.12
02-13 106.21
02-14 83.94
02-15 94.11
02-16 166.2
02-17 141.73
02-18 148.83
02-19 146.27
02-20 145.56
02-21 116.32
02-22 103.07
02-23 131.42
02-24 177.97
02-25 163.77
02-26 117.21
02-27 112.64
02-28 98.87
02-29 125.53
03-01 166.12
03-02 127.57
03-03 133.63
03-04 108.02
03-05 89.06
03-06 125.02
03-07 107.0
03-08 87.71
03-09 89.4
03-10 103.35
03-11 87.08
03-12 94.54
03-13 231.65
03-14 190.56
03-15 154.19
03-16 180.97
03-17 115.09
03-18 96.32
03-19 90.59
03-20 81.78
03-21 92.22
03-22 158.17
03-23 102.03
03-24 97.16
03-25 116.03
03-26 84.17
03-27 83.81
03-28 82.21
03-29 113.38
03-30 106.67
03-31 105.74
04-01 102.03
04-02 98.22
04-03 87.77
04-04 77.11
04-05 71.39
04-06 73.51
04-07 106.12
04-08 122.2
04-09 91.99
04-10 81.31
04-11 110.83
04-12 121.01
04-13 104.23
04-14 88.32
04-15 85.16
04-16 79.81
04-17 76.19
04-18 71.19
04-19 66.83
04-20 77.9
04-21 71.41
04-22 61.29
04-23 65.15
04-24 60.57
04-25 70.02
04-26 61.56
04-27 64.35
04-28 56.14
04-29 48.95
04-30 41.16
05-01 54.96
05-02 43.86
05-03 46.1
05-04 51.21
05-05 47.15
05-06 48.49
05-07 54.65
05-08 45.73
05-09 51.07
05-10 49.17
05-11 39.87
05-12 40.06
05-13 38.79
05-14 37.08
05-15 37.18
05-16 53.89
05-17 44.37
05-18 41.27
05-19 42.39
05-20 37.21
05-21 35.08
05-22 38.49
05-23 41.73
05-24 38.69
05-25 42.98
05-26 39.05
05-27 34.62
05-28 44.61
05-29 35.71
05-30 35.05
05-31 32.39
06-01 28.65
06-02 29.55
06-03 27.53
06-04 25.93
06-05 34.0
06-06 31.69
06-07 31.56
06-08 33.38
06-09 36.55
06-10 40.7
06-11 96.96
06-12 47.71
06-13 39.6
06-14 39.33
06-15 31.85
06-16 33.99
06-17 35.67
06-18 30.37
06-19 34.08
06-20 29.81
06-21 31.77
06-22 27.29
06-23 24.89
06-24 25.72
06-25 23.92
06-26 22.87
06-27 31.99
06-28 28.1
06-29 23.06
06-30 21.4
07-01 23.84
07-02 21.34
07-03 20.71
07-04 20.02
07-05 19.53
07-06 19.36
07-07 19.82
07-08 19.11
07-09 18.76
07-10 18.72
07-11 19.54
07-12 19.42
07-13 19.7
07-14 18.55
07-15 18.35
07-16 18.28
07-17 18.39
07-18 21.26
07-19 18.68
07-20 18.15
07-21 18.6
07-22 18.5
07-23 19.97
07-24 19.99
07-25 18.23
07-26 18.06
07-27 18.24
07-28 17.84
07-29 17.79
07-30 17.77
07-31 17.56
08-01 17.44
08-02 17.28
08-03 17.52
08-04 17.39
08-05 18.04
08-06 17.42
08-07 17.38
08-08 18.23
08-09 18.17
08-10 18.19
08-11 18.33
08-12 17.48
08-13 17.32
08-14 16.74
08-15 16.99
08-16 16.93
08-17 17.87
08-18 17.21
08-19 17.07
08-20 17.32
08-21 17.53
08-22 16.07
08-23 16.88
08-24 17.14
08-25 16.74
08-26 16.31
08-27 16.75
08-28 16.58
08-29 17.14
08-30 18.78
08-31 17.43
09-01 18.66
09-02 17.38
09-03 19.13
09-04 17.68
09-05 17.28
09-06 17.66
09-07 21.29
09-08 18.56
09-09 17.51
09-10 17.46
09-11 17.36
09-12 16.66
09-13 18.24
09-14 17.21
09-15 18.5
09-16 20.23
09-17 18.01
09-18 22.75
09-19 27.49
09-20 21.84
09-21 22.86
09-22 19.59
09-23 19.58
09-24 31.13
09-25 25.01
09-26 22.39
09-27 20.31
09-28 24.13
09-29 31.74
09-30 37.86
10-01 28.63
10-02 25.46
10-03 23.15
10-04 20.82
10-05 20.37
10-06 21.04
10-07 20.65
10-08 20.73
10-09 21.55
10-10 42.65
10-11 27.16
10-12 26.23
10-13 36.36
10-14 40.13
10-15 46.19
10-16 37.86
10-17 37.22
10-18 62.79
10-19 29.26
10-20 35.71
10-21 31.91
10-22 65.29
10-23 57.27
10-24 41.6
10-25 36.21
10-26 39.97
10-27 39.19
10-28 49.69
10-29 57.54
10-30 48.43
10-31 78.6
11-01 65.09
11-02 55.58
11-03 48.18
11-04 53.99
11-05 80.6
11-06 89.52
11-07 106.44
11-08 76.93
11-09 50.96
11-10 43.88
11-11 44.12
11-12 74.54
11-13 109.67
11-14 58.83
11-15 87.32
11-16 101.11
11-17 61.58
11-18 65.09
11-19 71.39
11-20 171.02
11-21 95.85
11-22 94.37
11-23 74.98
11-24 170.1
11-25 125.52
11-26 98.38
11-27 96.13
11-28 97.74
11-29 102.51
11-30 76.42
12-01 87.21
12-02 94.79
12-03 102.79
12-04 104.73
12-05 152.39
12-06 145.49
12-07 119.83
12-08 249.46
12-09 149.39
12-10 230.11
12-11 206.83
12-12 212.27
12-13 112.49
12-14 97.1
12-15 73.86
12-16 101.93
12-17 246.37
12-18 98.95
12-19 275.58
12-20 203.54
12-21 251.37
12-22 150.97
12-23 134.98
12-24 127.74
12-25 138.18
12-26 174.45
12-27 181.64
12-28 146.64
12-29 125.97
12-30 122.56
12-31 127.12

Annual Peak Streamflow


Seasonal Comparison


Oceanic Nino Index