COLUMBIA--AT ST HELENS (SHNO3)

Observed    Forecast/Trend Issued: 2026-06-24 15:42 PDT
Date/Time (PDT)Velocity    Date/Time (PDT)Velocity
      2026-06-24 20:001.92
      2026-06-24 21:001.79
      2026-06-24 22:001.46
      2026-06-24 23:000.98
      2026-06-25 00:000.64
      2026-06-25 01:000.75
      2026-06-25 02:001.23
      2026-06-25 03:001.66
      2026-06-25 04:001.86
      2026-06-25 05:001.94
      2026-06-25 06:002
      2026-06-25 07:002.06
      2026-06-25 08:002.1
      2026-06-25 09:002.14
      2026-06-25 10:002.13
      2026-06-25 11:002.07
      2026-06-25 12:001.88
      2026-06-25 13:001.56
      2026-06-25 14:001.27
      2026-06-25 15:001.23
      2026-06-25 16:001.45
      2026-06-25 17:001.69
      2026-06-25 18:001.83
      2026-06-25 19:001.89
      2026-06-25 20:001.9
      2026-06-25 21:001.86
      2026-06-25 22:001.67
      2026-06-25 23:001.26
      2026-06-26 00:000.71
      2026-06-26 01:000.42
      2026-06-26 02:000.66
      2026-06-26 03:001.22
      2026-06-26 04:001.66
      2026-06-26 05:001.81
      2026-06-26 06:001.87
      2026-06-26 07:001.92
      2026-06-26 08:001.98
      2026-06-26 09:002.03
      2026-06-26 10:002.06
      2026-06-26 11:002.05
      2026-06-26 12:001.95
      2026-06-26 13:001.68
      2026-06-26 14:001.21
      2026-06-26 15:000.83
      2026-06-26 16:000.91
      2026-06-26 17:001.31
      2026-06-26 18:001.65
      2026-06-26 19:001.79
      2026-06-26 20:001.84
      2026-06-26 21:001.85
      2026-06-26 22:001.78
      2026-06-26 23:001.52
      2026-06-27 00:001.03
      2026-06-27 01:000.52
      2026-06-27 02:000.4
      2026-06-27 03:000.81
      2026-06-27 04:001.38
      2026-06-27 05:001.72
      2026-06-27 06:001.85
      2026-06-27 07:001.9
      2026-06-27 08:001.96
      2026-06-27 09:002.01
      2026-06-27 10:002.06
      2026-06-27 11:002.08
      2026-06-27 12:002.06
      2026-06-27 13:001.94
      2026-06-27 14:001.6
      2026-06-27 15:001.06
      2026-06-27 16:000.7
      2026-06-27 17:000.85
      2026-06-27 18:001.31
      2026-06-27 19:001.66
      2026-06-27 20:001.79
      2026-06-27 21:001.84
      2026-06-27 22:001.83
      2026-06-27 23:001.76
      2026-06-28 00:001.48
      2026-06-28 01:000.96
      2026-06-28 02:000.45
      2026-06-28 03:000.38
      2026-06-28 04:000.84
      2026-06-28 05:001.42
      2026-06-28 06:001.72
      2026-06-28 07:001.83
      2026-06-28 08:001.89
      2026-06-28 09:001.94
      2026-06-28 10:002
      2026-06-28 11:002.05
      2026-06-28 12:002.07
      2026-06-28 13:002.04
      2026-06-28 14:001.85
      2026-06-28 15:001.38
      2026-06-28 16:000.75
      2026-06-28 17:000.48
      2026-06-28 18:000.81
      2026-06-28 19:001.37
      2026-06-28 20:001.71
      2026-06-28 21:001.81
      2026-06-28 22:001.83
      2026-06-28 23:001.82
      2026-06-29 00:001.7
      2026-06-29 01:001.33
      2026-06-29 02:000.75
      2026-06-29 03:000.31
      2026-06-29 04:000.41
      2026-06-29 05:001
      2026-06-29 06:001.58
      2026-06-29 07:001.8
      2026-06-29 08:001.87
      2026-06-29 09:001.93
      2026-06-29 10:001.99
      2026-06-29 11:002.06
      2026-06-29 12:002.1
      2026-06-29 13:002.11
      2026-06-29 14:002.04
      2026-06-29 15:001.78
      2026-06-29 16:001.22
      2026-06-29 17:000.68
      2026-06-29 18:000.67
      2026-06-29 19:001.15
      2026-06-29 20:001.64
      2026-06-29 21:001.84
      2026-06-29 22:001.9
      2026-06-29 23:001.91
      2026-06-30 00:001.9
      2026-06-30 01:001.76
      2026-06-30 02:001.36
      2026-06-30 03:000.79
      2026-06-30 04:000.5
      2026-06-30 05:000.78
      2026-06-30 06:001.35
      2026-06-30 07:001.73
      2026-06-30 08:001.88
      2026-06-30 09:001.93
      2026-06-30 10:001.99
      2026-06-30 11:002.04
      2026-06-30 12:002.1
      2026-06-30 13:002.13
      2026-06-30 14:002.1
      2026-06-30 15:001.97
      2026-06-30 16:001.6
      2026-06-30 17:001
      2026-06-30 18:000.61
      2026-06-30 19:000.8
      2026-06-30 20:001.33
      2026-06-30 21:001.72
      2026-06-30 22:001.85
      2026-06-30 23:001.88
      2026-07-01 00:001.89
      2026-07-01 01:001.85
      2026-07-01 02:001.63
      2026-07-01 03:001.1
      2026-07-01 04:000.5
      2026-07-01 05:000.34
      2026-07-01 06:000.81
      2026-07-01 07:001.46
      2026-07-01 08:001.79
      2026-07-01 09:001.88
      2026-07-01 10:001.93
      2026-07-01 11:001.99
      2026-07-01 12:002.06
      2026-07-01 13:002.1
      2026-07-01 14:002.09
      2026-07-01 15:001.98
      2026-07-01 16:001.65
      2026-07-01 17:001.11
      2026-07-01 18:000.65
      2026-07-01 19:000.71
      2026-07-01 20:001.18
      2026-07-01 21:001.63
      2026-07-01 22:001.81
      2026-07-01 23:001.87
      2026-07-02 00:001.89
      2026-07-02 01:001.87
      2026-07-02 02:001.74
      2026-07-02 03:001.35
      2026-07-02 04:000.77
      2026-07-02 05:000.39
      2026-07-02 06:000.57
      2026-07-02 07:001.15
      2026-07-02 08:001.64
      2026-07-02 09:001.82
      2026-07-02 10:001.88
      2026-07-02 11:001.93
      2026-07-02 12:002
      2026-07-02 13:002.06
      2026-07-02 14:002.1
      2026-07-02 15:002.09
      2026-07-02 16:001.97
      2026-07-02 17:001.64
      2026-07-02 18:001.08
      2026-07-02 19:000.61
      2026-07-02 20:000.67
      2026-07-02 21:001.16
      2026-07-02 22:001.61
      2026-07-02 23:001.8
      2026-07-03 00:001.86
      2026-07-03 01:001.88
      2026-07-03 02:001.85
      2026-07-03 03:001.65
      2026-07-03 04:001.13
      2026-07-03 05:000.51
      2026-07-03 06:000.41
      2026-07-03 07:000.94
      2026-07-03 08:001.55
      2026-07-03 09:001.81
      2026-07-03 10:001.88
      2026-07-03 11:001.92
      2026-07-03 12:001.98
      2026-07-03 13:002.04
      2026-07-03 14:002.08
      2026-07-03 15:002.06
      2026-07-03 16:001.93
      2026-07-03 17:001.56
      2026-07-03 18:000.96
      2026-07-03 19:000.49
      2026-07-03 20:000.56
      2026-07-03 21:001.08
      2026-07-03 22:001.56
      2026-07-03 23:001.77
      2026-07-04 00:001.84
      2026-07-04 01:001.86
      2026-07-04 02:001.88
      2026-07-04 03:001.86
      2026-07-04 04:001.66
      2026-07-04 05:001.15