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
5/9/2026 00:05 56.3 / 56.7
-0.4
78 / 81
-3
49.5 / 50.9
-1.4
1.0 / 0.0
1.0
N / NW
29.756 / 29.849
-0.093
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
5/9/2026 00:10 56.2 / 56.5
-0.3
79 / 82
-3
49.8 / 51.1
-1.3
1.0 / 0.0
1.0
NNW / NW
29.756 / 29.846
-0.090
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
5/9/2026 00:15 56.1 / 56.3
-0.2
79 / 83
-4
49.7 / 51.2
-1.5
0.0 / 0.0
0.0
NNW / NNE
29.750 / 29.843
-0.093
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
5/9/2026 00:20 56.1 / 56.1
0.0
79 / 84
-5
49.7 / 51.4
-1.7
0.0 / 0.0
0.0
--- / NNE
29.748 / 29.837
-0.089
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
5/9/2026 00:25 56.0 / 56.1
-0.1
79 / 84
-5
49.6 / 51.4
-1.8
0.0 / 0.0
0.0
NNW / E
29.743 / 29.840
-0.097
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
5/9/2026 00:30 56.0 / 55.9
0.1
79 / 84
-5
49.6 / 51.2
-1.6
0.0 / 0.0
0.0
NNW / NNE
29.749 / 29.840
-0.091
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
5/9/2026 00:35 55.9 / 55.9
0.0
79 / 84
-5
49.5 / 51.2
-1.7
0.0 / 0.0
0.0
NNW / NNE
29.751 / 29.843
-0.092
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
5/9/2026 00:40 55.8 / 55.8
0.0
79 / 85
-6
49.4 / 51.3
-1.9
1.0 / 0.0
1.0
NNW / N
29.749 / 29.840
-0.091
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
5/9/2026 00:45 55.7 / 55.8
-0.1
79 / 85
-6
49.3 / 51.3
-2.0
0.0 / 0.0
0.0
--- / N
29.747 / 29.840
-0.093
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
5/9/2026 00:50 55.7 / 55.8
-0.1
79 / 85
-6
49.3 / 51.3
-2.0
0.0 / 0.0
0.0
NNW / N
29.747 / 29.840
-0.093
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
5/9/2026 00:55 55.6 / 55.8
-0.2
79 / 85
-6
49.2 / 51.3
-2.1
0.0 / 0.2
-0.2
NNW / NNE
29.747 / 29.840
-0.093
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
5/9/2026 01:00 55.6 / 55.6
0.0
79 / 85
-6
49.2 / 51.1
-1.9
0.0 / 0.2
-0.2
NNW / NW
29.747 / 29.840
-0.093
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
5/9/2026 01:05 55.5 / 55.8
-0.3
79 / 85
-6
49.1 / 51.3
-2.2
1.0 / 0.2
0.8
NNW / N
29.747 / 29.840
-0.093
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
5/9/2026 01:10 55.5 / 55.8
-0.3
79 / 85
-6
49.1 / 51.3
-2.2
0.0 / 0.2
-0.2
NNW / N
29.749 / 29.840
-0.091
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
5/9/2026 01:15 55.5 / 55.8
-0.3
79 / 84
-5
49.1 / 51.0
-1.9
0.0 / 0.4
-0.4
NNW / NE
29.748 / 29.840
-0.092
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
5/9/2026 01:20 55.5 / 55.8
-0.3
79 / 85
-6
49.1 / 51.3
-2.2
0.0 / 0.0
0.0
NNW / NNE
29.748 / 29.840
-0.092
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
5/9/2026 01:25 55.5 / 55.8
-0.3
79 / 85
-6
49.1 / 51.3
-2.2
0.0 / 0.0
0.0
NNW / N
29.748 / 29.843
-0.095
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
5/9/2026 01:30 55.4 / 55.8
-0.4
79 / 85
-6
49.0 / 51.3
-2.3
1.0 / 0.0
1.0
NNW / NE
29.749 / 29.840
-0.091
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
5/9/2026 01:35 55.4 / 55.8
-0.4
79 / 85
-6
49.0 / 51.3
-2.3
1.0 / 0.7
0.3
NNW / NNE
29.748 / 29.840
-0.092
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
5/9/2026 01:40 55.4 / 55.8
-0.4
79 / 85
-6
49.0 / 51.3
-2.3
0.0 / 0.0
0.0
NNW / N
29.745 / 29.837
-0.092
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
5/9/2026 01:45 55.3 / 55.6
-0.3
79 / 85
-6
48.9 / 51.1
-2.2
0.0 / 0.0
0.0
NNW / SW
29.745 / 29.840
-0.095
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
5/9/2026 01:50 55.2 / 55.6
-0.4
79 / 85
-6
48.8 / 51.1
-2.3
0.0 / 0.0
0.0
NNW / N
29.747 / 29.840
-0.093
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
5/9/2026 01:55 55.2 / 55.6
-0.4
79 / 86
-7
48.8 / 51.5
-2.7
0.0 / 0.0
0.0
NNW / SW
29.747 / 29.840
-0.093
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
5/9/2026 02:00 55.1 / 55.4
-0.3
79 / 86
-7
48.7 / 51.3
-2.6
1.0 / 0.2
0.8
NNW / NE
29.749 / 29.840
-0.091
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
5/9/2026 02:05 55.1 / 55.4
-0.3
80 / 86
-6
49.0 / 51.3
-2.3
0.0 / 0.0
0.0
NNW / NE
29.748 / 29.843
-0.095
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
5/9/2026 02:10 55.1 / 55.4
-0.3
80 / 86
-6
49.0 / 51.3
-2.3
1.0 / 0.0
1.0
NNW / NNE
29.748 / 29.840
-0.092
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
5/9/2026 02:15 55.1 / 55.4
-0.3
80 / 86
-6
49.0 / 51.3
-2.3
0.0 / 0.2
-0.2
--- / NNE
29.750 / 29.843
-0.093
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
5/9/2026 02:20 55.1 / 55.4
-0.3
80 / 87
-7
49.0 / 51.6
-2.6
0.0 / 0.0
0.0
NNW / NNE
29.746 / 29.840
-0.094
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
5/9/2026 02:25 55.1 / 55.4
-0.3
80 / 87
-7
49.0 / 51.6
-2.6
0.0 / 0.2
-0.2
NNW / NE
29.749 / 29.840
-0.091
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
5/9/2026 02:30 55.1 / 55.2
-0.1
80 / 88
-8
49.0 / 51.7
-2.7
0.0 / 0.4
-0.4
NNW / NE
29.750 / 29.840
-0.090
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
5/9/2026 02:35 55.0 / 55.2
-0.2
80 / 88
-8
48.9 / 51.7
-2.8
1.0 / 0.0
1.0
NNW / NNE
29.747 / 29.843
-0.096
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
5/9/2026 02:40 55.0 / 55.2
-0.2
80 / 89
-9
48.9 / 52.0
-3.1
1.0 / 0.0
1.0
NNW / NNE
29.747 / 29.843
-0.096
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
5/9/2026 02:45 54.9 / 55.0
-0.1
80 / 89
-9
48.8 / 51.9
-3.1
1.0 / 0.0
1.0
NNW / NNE
29.741 / 29.840
-0.099
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
5/9/2026 02:50 54.9 / 55.0
-0.1
80 / 90
-10
48.8 / 52.2
-3.4
0.0 / 1.3
-1.3
N / NE
29.745 / 29.831
-0.086
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
5/9/2026 02:55 54.8 / 54.9
-0.1
81 / 90
-9
49.1 / 52.0
-2.9
0.0 / 0.0
0.0
N / SW
29.736 / 29.834
-0.098
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
5/9/2026 03:00 54.7 / 54.9
-0.2
81 / 91
-10
49.0 / 52.3
-3.3
0.0 / 0.0
0.0
N / N
29.738 / 29.831
-0.093
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
5/9/2026 03:05 54.6 / 54.7
-0.1
81 / 91
-10
48.9 / 52.1
-3.2
0.0 / 0.2
-0.2
N / NE
29.739 / 29.831
-0.092
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
5/9/2026 03:10 54.6 / 54.7
-0.1
81 / 91
-10
48.9 / 52.1
-3.2
0.0 / 0.0
0.0
N / NNE
29.735 / 29.828
-0.093
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
5/9/2026 03:15 54.5 / 54.7
-0.2
81 / 92
-11
48.8 / 52.4
-3.6
0.0 / 0.0
0.0
N / NNE
29.737 / 29.831
-0.094
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
5/9/2026 03:20 54.5 / 54.7
-0.2
81 / 92
-11
48.8 / 52.4
-3.6
0.0 / 0.0
0.0
N / ESE
29.736 / 29.831
-0.095
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
5/9/2026 03:25 54.5 / 54.5
0.0
81 / 92
-11
48.8 / 52.2
-3.4
0.0 / 0.0
0.0
N / WNW
29.735 / 29.831
-0.096
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
5/9/2026 03:30 54.4 / 54.5
-0.1
81 / 92
-11
48.7 / 52.2
-3.5
0.0 / 0.0
0.0
N / NW
29.736 / 29.831
-0.095
0.01 / 0.00
0.01
0.01 / 0.00
0.01
0 / 0
0
5/9/2026 03:35 54.4 / 54.5
-0.1
81 / 92
-11
48.7 / 52.2
-3.5
0.0 / 0.0
0.0
--- / SSW
29.738 / 29.834
-0.096
0.00 / 0.00
0.00
0.01 / 0.00
0.01
0 / 0
0
5/9/2026 03:40 54.3 / 54.5
-0.2
82 / 92
-10
48.9 / 52.2
-3.3
0.0 / 0.0
0.0
--- / SSW
29.738 / 29.834
-0.096
0.00 / 0.00
0.00
0.01 / 0.00
0.01
0 / 0
0
5/9/2026 03:45 54.3 / 54.5
-0.2
82 / 93
-11
48.9 / 52.5
-3.6
0.0 / 0.0
0.0
N / SSW
29.740 / 29.837
-0.097
0.00 / 0.00
0.00
0.01 / 0.00
0.01
0 / 0
0
5/9/2026 03:50 54.3 / 54.5
-0.2
82 / 93
-11
48.9 / 52.5
-3.6
0.0 / 0.0
0.0
--- / SSW
29.741 / 29.837
-0.096
0.00 / 0.00
0.00
0.01 / 0.00
0.01
0 / 0
0
5/9/2026 03:55 54.2 / 54.5
-0.3
82 / 93
-11
48.8 / 52.5
-3.7
0.0 / 0.0
0.0
--- / SSW
29.742 / 29.834
-0.092
0.00 / 0.00
0.00
0.01 / 0.00
0.01
0 / 0
0
5/9/2026 04:00 54.2 / 54.5
-0.3
82 / 93
-11
48.8 / 52.5
-3.7
0.0 / 0.0
0.0
N / SSW
29.737 / 29.831
-0.094
0.00 / 0.00
0.00
0.01 / 0.00
0.01
0 / 0
0
5/9/2026 04:05 54.2 / 54.5
-0.3
82 / 94
-12
48.8 / 52.8
-4.0
0.0 / 0.2
-0.2
N / SSW
29.737 / 29.831
-0.094
0.00 / 0.00
0.00
0.01 / 0.00
0.01
0 / 0
0
5/9/2026 04:10 54.2 / 54.5
-0.3
83 / 94
-11
49.1 / 52.8
-3.7
0.0 / 0.0
0.0
NNW / NNE
29.737 / 29.831
-0.094
0.01 / 0.00
0.01
0.02 / 0.00
0.02
0 / 0
0
5/9/2026 04:15 54.1 / 54.5
-0.4
83 / 94
-11
49.1 / 52.8
-3.7
0.0 / 0.0
0.0
N / NNE
29.737 / 29.834
-0.097
0.00 / 0.00
0.00
0.02 / 0.00
0.02
0 / 0
0
5/9/2026 04:20 54.1 / 54.5
-0.4
83 / 94
-11
49.1 / 52.8
-3.7
0.0 / 0.0
0.0
--- / NNE
29.733 / 29.828
-0.095
0.00 / 0.00
0.00
0.02 / 0.00
0.02
0 / 0
0
5/9/2026 04:25 54.0 / 54.3
-0.3
83 / 94
-11
49.0 / 52.6
-3.6
0.0 / 0.0
0.0
N / NW
29.734 / 29.831
-0.097
0.00 / 0.00
0.00
0.02 / 0.00
0.02
0 / 0
0
5/9/2026 04:30 54.0 / 54.1
-0.1
83 / 94
-11
49.0 / 52.5
-3.5
0.0 / 0.0
0.0
--- / NW
29.737 / 29.831
-0.094
0.00 / 0.00
0.00
0.02 / 0.00
0.02
0 / 0
0
5/9/2026 04:35 53.9 / 54.1
-0.2
83 / 94
-11
48.9 / 52.5
-3.6
0.0 / 0.0
0.0
--- / NW
29.728 / 29.822
-0.094
0.00 / 0.00
0.00
0.02 / 0.00
0.02
0 / 0
0
5/9/2026 04:40 53.9 / 54.1
-0.2
83 / 94
-11
48.9 / 52.5
-3.6
0.0 / 0.0
0.0
--- / NE
29.726 / 29.819
-0.093
0.01 / 0.00
0.01
0.03 / 0.00
0.03
0 / 0
0
5/9/2026 04:45 53.9 / 54.1
-0.2
83 / 94
-11
48.9 / 52.5
-3.6
0.0 / 0.0
0.0
N / NNW
29.722 / 29.819
-0.097
0.00 / 0.00
0.00
0.03 / 0.00
0.03
0 / 0
0
5/9/2026 04:50 53.9 / 54.1
-0.2
83 / 95
-12
48.9 / 52.7
-3.8
0.0 / 0.0
0.0
N / ESE
29.719 / 29.813
-0.094
0.00 / 0.00
0.00
0.03 / 0.00
0.03
0 / 0
0
5/9/2026 04:55 53.9 / 54.1
-0.2
83 / 95
-12
48.9 / 52.7
-3.8
0.0 / 0.0
0.0
N / ESE
29.717 / 29.813
-0.096
0.00 / 0.00
0.00
0.03 / 0.00
0.03
0 / 0
0
5/9/2026 05:00 53.9 / 54.1
-0.2
83 / 95
-12
48.9 / 52.7
-3.8
0.0 / 0.0
0.0
--- / ESE
29.718 / 29.813
-0.095
0.00 / 0.00
0.00
0.03 / 0.00
0.03
0 / 0
0
5/9/2026 05:05 53.9 / 54.3
-0.4
83 / 95
-12
48.9 / 52.9
-4.0
0.0 / 0.0
0.0
NNW / SE
29.716 / 29.811
-0.095
0.00 / 0.00
0.00
0.03 / 0.00
0.03
0 / 0
0
5/9/2026 05:10 53.9 / 54.3
-0.4
84 / 95
-11
49.2 / 52.9
-3.7
1.0 / 0.0
1.0
N / N
29.706 / 29.802
-0.096
0.00 / 0.00
0.00
0.03 / 0.00
0.03
0 / 0
0
5/9/2026 05:15 53.9 / 54.1
-0.2
84 / 95
-11
49.2 / 52.7
-3.5
0.0 / 0.0
0.0
N / N
29.707 / 29.805
-0.098
0.00 / 0.00
0.00
0.03 / 0.00
0.03
0 / 0
0
5/9/2026 05:20 53.9 / 54.1
-0.2
84 / 95
-11
49.2 / 52.7
-3.5
0.0 / 0.0
0.0
--- / NNW
29.708 / 29.808
-0.100
0.01 / 0.00
0.01
0.04 / 0.00
0.04
0 / 0
0
5/9/2026 05:25 53.8 / 54.1
-0.3
84 / 95
-11
49.1 / 52.7
-3.6
0.0 / 0.0
0.0
--- / NNW
29.712 / 29.811
-0.099
0.00 / 0.00
0.00
0.04 / 0.00
0.04
0 / 0
0
5/9/2026 05:30 53.7 / 54.0
-0.3
84 / 95
-11
49.0 / 52.6
-3.6
0.0 / 0.0
0.0
--- / WNW
29.714 / 29.811
-0.097
0.00 / 0.00
0.00
0.04 / 0.00
0.04
0 / 0
0
5/9/2026 05:35 53.6 / no data 84 / no data 48.9 / no data 0.0 / no data --- / no data 29.714 / no data 0.00 / no data 0.04 / no data 0 / no data
5/9/2026 05:40 53.6 / no data 84 / no data 48.9 / no data 0.0 / no data N / no data 29.714 / no data 0.00 / no data 0.04 / no data 0 / no data
5/9/2026 05:45 53.5 / no data 84 / no data 48.8 / no data 0.0 / no data N / no data 29.717 / no data 0.00 / no data 0.04 / no data 0 / no data
Average Diff --:-- -0.2 -8.5 -2.9 0.1 --- -0.094 0.00 --- 0

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