This table compares data from Davis Vantage Pro2 and WeatherFlow Tempest weather stations installed at my home.
The data entries list Davis / WeatherFlow / Difference.

Compare Data From:

Date Time (ET) Temp RH Dewpt Windsp WindDir Barom 5min Rain Total Rain SolRad
5/30/2026 00:05 60.9 / 60.6
0.3
79 / 88
-9
54.3 / 57.0
-2.7
0.0 / 0.0
0.0
--- / NNE
29.966 / 29.985
-0.019
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
5/30/2026 00:10 60.9 / 60.6
0.3
80 / 89
-9
54.7 / 57.4
-2.7
0.0 / 0.0
0.0
--- / NNE
29.967 / 29.985
-0.018
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
5/30/2026 00:15 60.8 / 60.6
0.2
80 / 89
-9
54.6 / 57.4
-2.8
0.0 / 0.0
0.0
--- / SW
29.966 / 29.982
-0.016
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
5/30/2026 00:20 60.5 / 60.3
0.2
80 / 89
-9
54.3 / 57.0
-2.7
0.0 / 0.0
0.0
--- / SW
29.964 / 29.982
-0.018
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
5/30/2026 00:25 60.0 / 59.9
0.1
79 / 88
-9
53.5 / 56.3
-2.8
0.0 / 0.0
0.0
--- / SW
29.963 / 29.982
-0.019
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
5/30/2026 00:30 59.9 / 59.9
0.0
80 / 88
-8
53.7 / 56.3
-2.6
0.0 / 0.0
0.0
--- / SW
29.964 / 29.982
-0.018
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
5/30/2026 00:35 59.7 / 59.7
0.0
80 / 88
-8
53.5 / 56.2
-2.7
0.0 / 0.0
0.0
--- / SW
29.964 / 29.982
-0.018
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
5/30/2026 00:40 59.6 / 59.4
0.2
80 / 88
-8
53.4 / 55.8
-2.4
0.0 / 0.0
0.0
--- / SW
29.966 / 29.982
-0.016
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
5/30/2026 00:45 59.4 / 59.2
0.2
80 / 88
-8
53.2 / 55.6
-2.4
0.0 / 0.0
0.0
--- / SW
29.964 / 29.982
-0.018
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
5/30/2026 00:50 59.3 / 59.2
0.1
80 / 88
-8
53.1 / 55.6
-2.5
0.0 / 0.0
0.0
--- / SW
29.964 / 29.982
-0.018
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
5/30/2026 00:55 59.2 / 59.2
0.0
80 / 88
-8
53.0 / 55.6
-2.6
0.0 / 0.0
0.0
--- / SW
29.967 / 29.982
-0.015
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
5/30/2026 01:00 59.3 / 59.2
0.1
80 / 88
-8
53.1 / 55.6
-2.5
0.0 / 0.0
0.0
--- / SSW
29.969 / 29.985
-0.016
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
5/30/2026 01:05 59.2 / 59.2
0.0
80 / 89
-9
53.0 / 55.9
-2.9
0.0 / 0.0
0.0
--- / SSW
29.969 / 29.985
-0.016
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
5/30/2026 01:10 59.1 / 59.2
-0.1
80 / 89
-9
52.9 / 55.9
-3.0
0.0 / 0.0
0.0
--- / NNE
29.968 / 29.985
-0.017
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
5/30/2026 01:15 59.1 / 59.4
-0.3
81 / 90
-9
53.3 / 56.4
-3.1
0.0 / 0.0
0.0
--- / NNE
29.967 / 29.982
-0.015
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
5/30/2026 01:20 59.2 / 59.4
-0.2
81 / 90
-9
53.4 / 56.4
-3.0
0.0 / 0.0
0.0
--- / NNE
29.965 / 29.982
-0.017
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
5/30/2026 01:25 59.1 / 59.2
-0.1
81 / 90
-9
53.3 / 56.2
-2.9
0.0 / 0.0
0.0
--- / NNE
29.965 / 29.982
-0.017
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
5/30/2026 01:30 59.0 / 59.0
0.0
81 / 91
-10
53.2 / 56.4
-3.2
0.0 / 0.0
0.0
--- / NNE
29.964 / 29.979
-0.015
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
5/30/2026 01:35 58.9 / 59.0
-0.1
81 / 91
-10
53.1 / 56.4
-3.3
0.0 / 0.0
0.0
--- / NNE
29.962 / 29.979
-0.017
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
5/30/2026 01:40 58.8 / 59.0
-0.2
81 / 91
-10
53.0 / 56.4
-3.4
0.0 / 0.0
0.0
--- / NNE
29.963 / 29.979
-0.016
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
5/30/2026 01:45 58.6 / 58.8
-0.2
81 / 91
-10
52.8 / 56.2
-3.4
0.0 / 0.0
0.0
--- / NNE
29.962 / 29.979
-0.017
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
5/30/2026 01:50 58.6 / 58.6
0.0
81 / 91
-10
52.8 / 56.0
-3.2
0.0 / 0.0
0.0
--- / NNW
29.960 / 29.979
-0.019
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
5/30/2026 01:55 58.5 / 58.5
0.0
81 / 91
-10
52.7 / 55.8
-3.1
0.0 / 0.0
0.0
--- / NNW
29.959 / 29.976
-0.017
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
5/30/2026 02:00 58.5 / 58.6
-0.1
81 / 90
-9
52.7 / 55.7
-3.0
0.0 / 0.0
0.0
--- / W
29.956 / 29.973
-0.017
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
5/30/2026 02:05 58.5 / 58.6
-0.1
81 / 90
-9
52.7 / 55.7
-3.0
0.0 / 0.0
0.0
--- / W
29.959 / 29.976
-0.017
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
5/30/2026 02:10 58.5 / 58.5
0.0
81 / 90
-9
52.7 / 55.5
-2.8
0.0 / 0.0
0.0
--- / W
29.959 / 29.976
-0.017
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
5/30/2026 02:15 58.4 / 58.5
-0.1
81 / 90
-9
52.6 / 55.5
-2.9
0.0 / 0.0
0.0
--- / W
29.960 / 29.976
-0.016
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
5/30/2026 02:20 58.3 / 58.5
-0.2
81 / 90
-9
52.5 / 55.5
-3.0
0.0 / 0.0
0.0
--- / WSW
29.959 / 29.976
-0.017
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
5/30/2026 02:25 58.1 / 58.5
-0.4
81 / 90
-9
52.3 / 55.5
-3.2
0.0 / 0.0
0.0
--- / WSW
29.959 / 29.973
-0.014
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
5/30/2026 02:30 58.2 / 58.3
-0.1
81 / 90
-9
52.4 / 55.4
-3.0
0.0 / 0.0
0.0
--- / WSW
29.960 / 29.976
-0.016
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
5/30/2026 02:35 58.2 / 58.3
-0.1
81 / 90
-9
52.4 / 55.4
-3.0
0.0 / 0.0
0.0
--- / WSW
29.960 / 29.976
-0.016
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
5/30/2026 02:40 58.1 / 58.3
-0.2
81 / 90
-9
52.3 / 55.4
-3.1
0.0 / 0.0
0.0
--- / WSW
29.960 / 29.976
-0.016
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
5/30/2026 02:45 58.1 / 58.3
-0.2
81 / 90
-9
52.3 / 55.4
-3.1
0.0 / 0.0
0.0
--- / WSW
29.961 / 29.976
-0.015
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
5/30/2026 02:50 58.0 / 58.3
-0.3
81 / 90
-9
52.2 / 55.4
-3.2
0.0 / 0.0
0.0
--- / WSW
29.961 / 29.976
-0.015
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
5/30/2026 02:55 58.0 / 58.3
-0.3
81 / 90
-9
52.2 / 55.4
-3.2
0.0 / 0.0
0.0
--- / WSW
29.958 / 29.973
-0.015
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
5/30/2026 03:00 57.9 / 58.3
-0.4
81 / 90
-9
52.1 / 55.4
-3.3
0.0 / 0.0
0.0
--- / WSW
29.959 / 29.976
-0.017
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
5/30/2026 03:05 57.8 / 58.3
-0.5
81 / 90
-9
52.0 / 55.4
-3.4
0.0 / 0.0
0.0
--- / WSW
29.960 / 29.976
-0.016
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
5/30/2026 03:10 57.8 / 58.3
-0.5
81 / 91
-10
52.0 / 55.7
-3.7
0.0 / 0.0
0.0
--- / WSW
29.961 / 29.976
-0.015
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
5/30/2026 03:15 57.9 / 58.5
-0.6
82 / 91
-9
52.4 / 55.8
-3.4
0.0 / 0.0
0.0
--- / WSW
29.962 / 29.979
-0.017
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
5/30/2026 03:20 57.9 / 58.5
-0.6
81 / 91
-10
52.1 / 55.8
-3.7
0.0 / 0.0
0.0
--- / W
29.962 / 29.979
-0.017
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
5/30/2026 03:25 57.9 / 58.3
-0.4
81 / 91
-10
52.1 / 55.7
-3.6
0.0 / 0.0
0.0
--- / W
29.962 / 29.976
-0.014
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
5/30/2026 03:30 58.0 / 58.3
-0.3
82 / 91
-9
52.5 / 55.7
-3.2
0.0 / 0.0
0.0
--- / W
29.959 / 29.976
-0.017
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
5/30/2026 03:35 57.9 / 58.1
-0.2
82 / 91
-9
52.4 / 55.5
-3.1
0.0 / 0.0
0.0
--- / W
29.961 / 29.976
-0.015
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
5/30/2026 03:40 57.8 / 57.9
-0.1
81 / 91
-10
52.0 / 55.3
-3.3
0.0 / 0.0
0.0
--- / W
29.961 / 29.976
-0.015
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
5/30/2026 03:45 57.6 / 57.9
-0.3
81 / 91
-10
51.8 / 55.3
-3.5
0.0 / 0.0
0.0
--- / W
29.961 / 29.979
-0.018
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
5/30/2026 03:50 57.5 / 57.7
-0.2
81 / 92
-11
51.7 / 55.4
-3.7
0.0 / 0.0
0.0
--- / ESE
29.961 / 29.976
-0.015
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
5/30/2026 03:55 57.5 / 57.6
-0.1
81 / 92
-11
51.7 / 55.3
-3.6
0.0 / 0.0
0.0
--- / ESE
29.960 / 29.976
-0.016
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
5/30/2026 04:00 57.4 / 57.6
-0.2
81 / 92
-11
51.6 / 55.3
-3.7
0.0 / 0.0
0.0
--- / W
29.959 / 29.973
-0.014
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
5/30/2026 04:05 57.3 / 57.4
-0.1
81 / 92
-11
51.5 / 55.1
-3.6
0.0 / 0.0
0.0
--- / W
29.958 / 29.973
-0.015
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
5/30/2026 04:10 57.3 / 57.4
-0.1
82 / 93
-11
51.9 / 55.4
-3.5
0.0 / 0.0
0.0
--- / W
29.956 / 29.973
-0.017
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
5/30/2026 04:15 57.2 / 57.6
-0.4
82 / 92
-10
51.8 / 55.3
-3.5
0.0 / 0.0
0.0
--- / W
29.956 / 29.973
-0.017
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
5/30/2026 04:20 57.2 / 57.4
-0.2
82 / 93
-11
51.8 / 55.4
-3.6
0.0 / 0.0
0.0
--- / W
29.957 / 29.973
-0.016
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
5/30/2026 04:25 57.1 / 57.0
0.1
82 / 93
-11
51.7 / 55.0
-3.3
0.0 / 0.0
0.0
--- / W
29.960 / 29.976
-0.016
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
5/30/2026 04:30 56.9 / 56.8
0.1
82 / 93
-11
51.5 / 54.8
-3.3
0.0 / 0.0
0.0
--- / W
29.960 / 29.976
-0.016
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
5/30/2026 04:35 57.0 / 57.0
0.0
82 / 94
-12
51.6 / 55.3
-3.7
0.0 / 0.0
0.0
--- / WNW
29.960 / 29.976
-0.016
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
5/30/2026 04:40 57.0 / 57.2
-0.2
82 / 93
-11
51.6 / 55.2
-3.6
0.0 / 0.0
0.0
--- / WNW
29.959 / 29.976
-0.017
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
5/30/2026 04:45 56.9 / 57.0
-0.1
82 / 93
-11
51.5 / 55.0
-3.5
0.0 / 0.0
0.0
--- / WNW
29.958 / 29.976
-0.018
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
5/30/2026 04:50 56.8 / 56.8
0.0
82 / 94
-12
51.4 / 55.1
-3.7
0.0 / 0.0
0.0
--- / WNW
29.960 / 29.976
-0.016
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
5/30/2026 04:55 56.6 / 56.8
-0.2
82 / 94
-12
51.2 / 55.1
-3.9
0.0 / 0.0
0.0
--- / WNW
29.960 / 29.976
-0.016
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
5/30/2026 05:00 56.4 / 56.7
-0.3
82 / 94
-12
51.0 / 55.0
-4.0
0.0 / 0.0
0.0
--- / WNW
29.960 / 29.976
-0.016
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
5/30/2026 05:05 56.4 / 56.7
-0.3
83 / 94
-11
51.3 / 55.0
-3.7
0.0 / 0.0
0.0
--- / WNW
29.960 / 29.976
-0.016
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
5/30/2026 05:10 56.6 / 56.8
-0.2
83 / 94
-11
51.5 / 55.1
-3.6
0.0 / 0.0
0.0
--- / WSW
29.958 / 29.976
-0.018
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
5/30/2026 05:15 56.6 / 56.8
-0.2
83 / 94
-11
51.5 / 55.1
-3.6
0.0 / 0.0
0.0
--- / NNE
29.960 / 29.976
-0.016
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
5/30/2026 05:20 56.5 / 56.8
-0.3
83 / 94
-11
51.4 / 55.1
-3.7
0.0 / 0.0
0.0
--- / NW
29.963 / 29.979
-0.016
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
5/30/2026 05:25 56.5 / 56.7
-0.2
83 / 94
-11
51.4 / 55.0
-3.6
0.0 / 0.0
0.0
--- / E
29.965 / 29.979
-0.014
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
5/30/2026 05:30 56.1 / 56.5
-0.4
82 / 94
-12
50.7 / 54.8
-4.1
0.0 / 0.0
0.0
E / NE
29.966 / 29.982
-0.016
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
5/30/2026 05:35 55.9 / 56.1
-0.2
83 / 94
-11
50.8 / 54.4
-3.6
0.0 / 0.0
0.0
N / NE
29.967 / 29.982
-0.015
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
5/30/2026 05:40 55.8 / 55.9
-0.1
83 / 94
-11
50.7 / 54.2
-3.5
0.0 / 0.2
-0.2
N / NE
29.966 / 29.982
-0.016
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
5/30/2026 05:45 55.8 / 55.9
-0.1
83 / 94
-11
50.7 / 54.2
-3.5
0.0 / 0.0
0.0
--- / NE
29.969 / 29.985
-0.016
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
5/30/2026 05:50 55.8 / 55.9
-0.1
83 / 94
-11
50.7 / 54.2
-3.5
0.0 / 0.0
0.0
--- / NE
29.972 / 29.985
-0.013
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
5/30/2026 05:55 55.7 / 55.8
-0.1
83 / 94
-11
50.6 / 54.1
-3.5
0.0 / 0.0
0.0
--- / NE
29.973 / 29.985
-0.012
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
5/30/2026 06:00 55.7 / 55.8
-0.1
83 / 94
-11
50.6 / 54.1
-3.5
0.0 / 0.0
0.0
--- / NE
29.973 / 29.988
-0.015
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
5/30/2026 06:05 55.6 / no data 83 / no data 50.5 / no data 0.0 / no data --- / no data 29.974 / no data 0.00 / no data 0.00 / no data 0 / no data
5/30/2026 06:10 55.8 / no data 83 / no data 50.7 / no data 0.0 / no data --- / no data 29.973 / no data 0.00 / no data 0.00 / no data 0 / no data
5/30/2026 06:15 56.2 / no data 84 / no data 51.4 / no data 0.0 / no data --- / no data 29.969 / no data 0.00 / no data 0.00 / no data 7 / no data
Average Diff --:-- -0.1 -9.9 -3.3 -0.0 --- -0.016 0.00 --- 0

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