COLUMBIA--AT ST HELENS (SHNO3)

Observed    Forecast/Trend Issued: 2025-07-03 08:24 PDT
Date/Time (PDT)Velocity    Date/Time (PDT)Velocity
      2025-07-03 11:001.3
      2025-07-03 12:001.43
      2025-07-03 13:001.62
      2025-07-03 14:001.75
      2025-07-03 15:001.82
      2025-07-03 16:001.86
      2025-07-03 17:001.87
      2025-07-03 18:001.83
      2025-07-03 19:001.66
      2025-07-03 20:001.27
      2025-07-03 21:000.73
      2025-07-03 22:000.31
      2025-07-03 23:000.33
      2025-07-04 00:000.81
      2025-07-04 01:001.35
      2025-07-04 02:001.65
      2025-07-04 03:001.76
      2025-07-04 04:001.81
      2025-07-04 05:001.85
      2025-07-04 06:001.89
      2025-07-04 07:001.91
      2025-07-04 08:001.89
      2025-07-04 09:001.79
      2025-07-04 10:001.58
      2025-07-04 11:001.34
      2025-07-04 12:001.2
      2025-07-04 13:001.25
      2025-07-04 14:001.43
      2025-07-04 15:001.6
      2025-07-04 16:001.7
      2025-07-04 17:001.74
      2025-07-04 18:001.74
      2025-07-04 19:001.66
      2025-07-04 20:001.43
      2025-07-04 21:000.99
      2025-07-04 22:000.48
      2025-07-04 23:000.2
      2025-07-05 00:000.39
      2025-07-05 01:000.93
      2025-07-05 02:001.41
      2025-07-05 03:001.66
      2025-07-05 04:001.75
      2025-07-05 05:001.8
      2025-07-05 06:001.85
      2025-07-05 07:001.89
      2025-07-05 08:001.91
      2025-07-05 09:001.9
      2025-07-05 10:001.81
      2025-07-05 11:001.61
      2025-07-05 12:001.32
      2025-07-05 13:001.09
      2025-07-05 14:001.05
      2025-07-05 15:001.21
      2025-07-05 16:001.42
      2025-07-05 17:001.56
      2025-07-05 18:001.62
      2025-07-05 19:001.61
      2025-07-05 20:001.5
      2025-07-05 21:001.24
      2025-07-05 22:000.79
      2025-07-05 23:000.29
      2025-07-06 00:000.06
      2025-07-06 01:000.3
      2025-07-06 02:000.87
      2025-07-06 03:001.37
      2025-07-06 04:001.62
      2025-07-06 05:001.71
      2025-07-06 06:001.77
      2025-07-06 07:001.82
      2025-07-06 08:001.87
      2025-07-06 09:001.9
      2025-07-06 10:001.89
      2025-07-06 11:001.8
      2025-07-06 12:001.55
      2025-07-06 13:001.14
      2025-07-06 14:000.76
      2025-07-06 15:000.67
      2025-07-06 16:000.91
      2025-07-06 17:001.24
      2025-07-06 18:001.46
      2025-07-06 19:001.55
      2025-07-06 20:001.55
      2025-07-06 21:001.44
      2025-07-06 22:001.16
      2025-07-06 23:000.68
      2025-07-07 00:000.17
      2025-07-07 01:00-0.03
      2025-07-07 02:000.26
      2025-07-07 03:000.87
      2025-07-07 04:001.39
      2025-07-07 05:001.64
      2025-07-07 06:001.73
      2025-07-07 07:001.78
      2025-07-07 08:001.84
      2025-07-07 09:001.89
      2025-07-07 10:001.93
      2025-07-07 11:001.92
      2025-07-07 12:001.81
      2025-07-07 13:001.48
      2025-07-07 14:000.93
      2025-07-07 15:000.44
      2025-07-07 16:000.39
      2025-07-07 17:000.81
      2025-07-07 18:001.29
      2025-07-07 19:001.54
      2025-07-07 20:001.61
      2025-07-07 21:001.6
      2025-07-07 22:001.47
      2025-07-07 23:001.16
      2025-07-08 00:000.63
      2025-07-08 01:000.09
      2025-07-08 02:00-0.05
      2025-07-08 03:000.35
      2025-07-08 04:001.02
      2025-07-08 05:001.51
      2025-07-08 06:001.69
      2025-07-08 07:001.76
      2025-07-08 08:001.82
      2025-07-08 09:001.88
      2025-07-08 10:001.94
      2025-07-08 11:001.97
      2025-07-08 12:001.94
      2025-07-08 13:001.79
      2025-07-08 14:001.37
      2025-07-08 15:000.72
      2025-07-08 16:000.23
      2025-07-08 17:000.3
      2025-07-08 18:000.85
      2025-07-08 19:001.38
      2025-07-08 20:001.6
      2025-07-08 21:001.65
      2025-07-08 22:001.63
      2025-07-08 23:001.5
      2025-07-09 00:001.12
      2025-07-09 01:000.5
      2025-07-09 02:00-0.07
      2025-07-09 03:00-0.14
      2025-07-09 04:000.35
      2025-07-09 05:001.08
      2025-07-09 06:001.54
      2025-07-09 07:001.69
      2025-07-09 08:001.75
      2025-07-09 09:001.82
      2025-07-09 10:001.89
      2025-07-09 11:001.94
      2025-07-09 12:001.96
      2025-07-09 13:001.9
      2025-07-09 14:001.66
      2025-07-09 15:001.08
      2025-07-09 16:000.34
      2025-07-09 17:00-0.07
      2025-07-09 18:000.2
      2025-07-09 19:000.88
      2025-07-09 20:001.41
      2025-07-09 21:001.6
      2025-07-09 22:001.62
      2025-07-09 23:001.58
      2025-07-10 00:001.38
      2025-07-10 01:000.87
      2025-07-10 02:000.13
      2025-07-10 03:00-0.38
      2025-07-10 04:00-0.29
      2025-07-10 05:000.33
      2025-07-10 06:001.13
      2025-07-10 07:001.6
      2025-07-10 08:001.71
      2025-07-10 09:001.77
      2025-07-10 10:001.84
      2025-07-10 11:001.91
      2025-07-10 12:001.97
      2025-07-10 13:001.97
      2025-07-10 14:001.84
      2025-07-10 15:001.38
      2025-07-10 16:000.58
      2025-07-10 17:00-0.07
      2025-07-10 18:00-0.07
      2025-07-10 19:000.57
      2025-07-10 20:001.31
      2025-07-10 21:001.64
      2025-07-10 22:001.71
      2025-07-10 23:001.71
      2025-07-11 00:001.64
      2025-07-11 01:001.37
      2025-07-11 02:000.79
      2025-07-11 03:000.08
      2025-07-11 04:00-0.31
      2025-07-11 05:00-0.07
      2025-07-11 06:000.65
      2025-07-11 07:001.39
      2025-07-11 08:001.73
      2025-07-11 09:001.81
      2025-07-11 10:001.86
      2025-07-11 11:001.93
      2025-07-11 12:001.99
      2025-07-11 13:002.03
      2025-07-11 14:002.02
      2025-07-11 15:001.88
      2025-07-11 16:001.46
      2025-07-11 17:000.78
      2025-07-11 18:000.21
      2025-07-11 19:000.21
      2025-07-11 20:000.77
      2025-07-11 21:001.39
      2025-07-11 22:001.69
      2025-07-11 23:001.75
      2025-07-12 00:001.75
      2025-07-12 01:001.67
      2025-07-12 02:001.33
      2025-07-12 03:000.57
      2025-07-12 04:00-0.18
      2025-07-12 05:00-0.28
      2025-07-12 06:000.34
      2025-07-12 07:001.21
      2025-07-12 08:001.7
      2025-07-12 09:001.79
      2025-07-12 10:001.83
      2025-07-12 11:001.89
      2025-07-12 12:001.95
      2025-07-12 13:002.01
      2025-07-12 14:002.04
      2025-07-12 15:001.98
      2025-07-12 16:001.7
      2025-07-12 17:001.03
      2025-07-12 18:000.26
      2025-07-12 19:000
      2025-07-12 20:000.48
      2025-07-12 21:001.24
      2025-07-12 22:001.65
      2025-07-12 23:001.74
      2025-07-13 00:001.76
      2025-07-13 01:001.76
      2025-07-13 02:001.69
      2025-07-13 03:001.35
      2025-07-13 04:000.59
      2025-07-13 05:00-0.18