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
4/30/2026 00:05 51.5 / 51.3
0.2
74 / 74
0
43.5 / 43.3
0.2
5.0 / 0.4
4.6
NW / NNW
29.880 / 29.967
-0.087
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
4/30/2026 00:10 51.3 / 51.1
0.2
74 / 73
1
43.3 / 42.7
0.6
5.0 / 0.2
4.8
NW / N
29.880 / 29.967
-0.087
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
4/30/2026 00:15 51.1 / 50.9
0.2
73 / 73
0
42.7 / 42.6
0.1
4.0 / 0.7
3.3
NNW / NNW
29.880 / 29.967
-0.087
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
4/30/2026 00:20 50.9 / 50.9
0.0
71 / 71
0
41.8 / 41.8
0.0
5.0 / 1.1
3.9
NW / NNW
29.881 / 29.970
-0.089
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
4/30/2026 00:25 50.8 / 50.7
0.1
71 / 71
0
41.7 / 41.7
0.0
5.0 / 0.0
5.0
NW / W
29.885 / 29.973
-0.088
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
4/30/2026 00:30 50.6 / 50.5
0.1
71 / 71
0
41.5 / 41.5
0.0
4.0 / 0.2
3.8
WNW / NW
29.887 / 29.973
-0.086
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
4/30/2026 00:35 50.4 / 50.2
0.2
72 / 72
0
41.7 / 41.5
0.2
3.0 / 0.4
2.6
WNW / NW
29.888 / 29.976
-0.088
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
4/30/2026 00:40 50.3 / 50.0
0.3
72 / 72
0
41.6 / 41.3
0.3
3.0 / 0.2
2.8
NW / N
29.890 / 29.976
-0.086
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
4/30/2026 00:45 50.1 / 49.8
0.3
72 / 73
-1
41.4 / 41.5
-0.1
3.0 / 0.4
2.6
NW / WNW
29.891 / 29.982
-0.091
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
4/30/2026 00:50 49.9 / 49.6
0.3
72 / 73
-1
41.2 / 41.3
-0.1
3.0 / 0.2
2.8
WNW / NW
29.894 / 29.979
-0.085
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
4/30/2026 00:55 49.8 / 49.3
0.5
73 / 73
0
41.5 / 41.0
0.5
2.0 / 0.7
1.3
WNW / NW
29.891 / 29.979
-0.088
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
4/30/2026 01:00 49.6 / 49.3
0.3
73 / 73
0
41.3 / 41.0
0.3
3.0 / 0.7
2.3
WNW / NW
29.896 / 29.982
-0.086
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
4/30/2026 01:05 49.5 / 49.1
0.4
73 / 74
-1
41.2 / 41.2
0.0
3.0 / 0.0
3.0
WNW / NNW
29.898 / 29.985
-0.087
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
4/30/2026 01:10 49.3 / 48.9
0.4
73 / 74
-1
41.0 / 41.0
0.0
2.0 / 0.2
1.8
WNW / NW
29.900 / 29.985
-0.085
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
4/30/2026 01:15 49.2 / 48.6
0.6
73 / 74
-1
40.9 / 40.6
0.3
2.0 / 0.2
1.8
NW / N
29.899 / 29.985
-0.086
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
4/30/2026 01:20 49.0 / 48.4
0.6
73 / 75
-2
40.7 / 40.8
-0.1
2.0 / 0.0
2.0
NW / NW
29.900 / 29.985
-0.085
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
4/30/2026 01:25 48.8 / 48.0
0.8
74 / 75
-1
40.9 / 40.5
0.4
2.0 / 0.4
1.6
NW / NW
29.901 / 29.988
-0.087
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
4/30/2026 01:30 48.7 / 47.8
0.9
74 / 76
-2
40.8 / 40.6
0.2
1.0 / 0.0
1.0
NW / NNW
29.901 / 29.985
-0.084
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
4/30/2026 01:35 48.6 / 47.5
1.1
74 / 77
-3
40.7 / 40.6
0.1
1.0 / 0.2
0.8
NW / WNW
29.902 / 29.985
-0.083
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
4/30/2026 01:40 48.4 / 47.3
1.1
75 / 78
-3
40.8 / 40.8
0.0
1.0 / 0.0
1.0
NW / WNW
29.898 / 29.982
-0.084
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
4/30/2026 01:45 48.1 / 46.9
1.2
76 / 79
-3
40.9 / 40.8
0.1
2.0 / 0.0
2.0
WNW / W
29.899 / 29.985
-0.086
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
4/30/2026 01:50 47.9 / 46.8
1.1
76 / 80
-4
40.7 / 40.9
-0.2
1.0 / 0.0
1.0
WNW / WNW
29.899 / 29.985
-0.086
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
4/30/2026 01:55 47.8 / 46.6
1.2
77 / 80
-3
40.9 / 40.7
0.2
1.0 / 0.0
1.0
WNW / NW
29.901 / 29.985
-0.084
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
4/30/2026 02:00 47.6 / 46.4
1.2
77 / 81
-4
40.7 / 40.9
-0.2
1.0 / 0.2
0.8
WNW / NW
29.900 / 29.985
-0.085
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
4/30/2026 02:05 47.4 / 46.2
1.2
77 / 81
-4
40.6 / 40.7
-0.1
1.0 / 0.0
1.0
WNW / NW
29.898 / 29.982
-0.084
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
4/30/2026 02:10 47.3 / 46.0
1.3
78 / 81
-3
40.8 / 40.5
0.3
1.0 / 0.0
1.0
WNW / N
29.896 / 29.979
-0.083
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
4/30/2026 02:15 47.2 / 45.9
1.3
78 / 82
-4
40.7 / 40.7
0.0
1.0 / 0.2
0.8
WNW / WNW
29.893 / 29.979
-0.086
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
4/30/2026 02:20 47.0 / 45.7
1.3
78 / 82
-4
40.5 / 40.5
0.0
0.0 / 0.2
-0.2
WNW / N
29.897 / 29.982
-0.085
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
4/30/2026 02:25 46.7 / 45.5
1.2
78 / 83
-5
40.2 / 40.6
-0.4
0.0 / 0.0
0.0
WNW / NW
29.895 / 29.979
-0.084
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
4/30/2026 02:30 46.5 / 45.5
1.0
79 / 83
-4
40.3 / 40.6
-0.3
0.0 / 0.0
0.0
WNW / NW
29.895 / 29.979
-0.084
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
4/30/2026 02:35 46.3 / 45.1
1.2
79 / 84
-5
40.1 / 40.6
-0.5
1.0 / 0.4
0.6
WNW / NNW
29.892 / 29.976
-0.084
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
4/30/2026 02:40 46.2 / 45.1
1.1
79 / 85
-6
40.0 / 40.9
-0.9
0.0 / 0.2
-0.2
WNW / SSW
29.892 / 29.976
-0.084
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
4/30/2026 02:45 46.0 / 45.1
0.9
79 / 85
-6
39.9 / 40.9
-1.0
0.0 / 0.0
0.0
WNW / NNW
29.890 / 29.973
-0.083
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
4/30/2026 02:50 45.9 / 45.1
0.8
79 / 85
-6
39.8 / 40.9
-1.1
0.0 / 0.4
-0.4
WNW / NNW
29.889 / 29.973
-0.084
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
4/30/2026 02:55 45.7 / 45.0
0.7
79 / 85
-6
39.6 / 40.7
-1.1
0.0 / 0.2
-0.2
--- / NNW
29.890 / 29.973
-0.083
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
4/30/2026 03:00 45.5 / 45.0
0.5
79 / 87
-8
39.4 / 41.3
-1.9
0.0 / 0.4
-0.4
--- / W
29.889 / 29.973
-0.084
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
4/30/2026 03:05 45.4 / 45.0
0.4
80 / 88
-8
39.6 / 41.6
-2.0
0.0 / 0.4
-0.4
--- / SSW
29.887 / 29.970
-0.083
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
4/30/2026 03:10 45.2 / 45.0
0.2
80 / 88
-8
39.4 / 41.6
-2.2
0.0 / 0.0
0.0
--- / SSW
29.888 / 29.970
-0.082
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
4/30/2026 03:15 44.9 / 44.6
0.3
80 / 89
-9
39.1 / 41.6
-2.5
0.0 / 0.2
-0.2
--- / NW
29.887 / 29.970
-0.083
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
4/30/2026 03:20 44.6 / 44.4
0.2
80 / 89
-9
38.8 / 41.4
-2.6
0.0 / 0.0
0.0
--- / NW
29.887 / 29.970
-0.083
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
4/30/2026 03:25 44.4 / 43.9
0.5
80 / 89
-9
38.6 / 40.8
-2.2
0.0 / 0.2
-0.2
--- / N
29.887 / 29.970
-0.083
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
4/30/2026 03:30 44.3 / 43.7
0.6
80 / 89
-9
38.5 / 40.7
-2.2
0.0 / 0.2
-0.2
--- / NNW
29.886 / 29.970
-0.084
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
4/30/2026 03:35 44.2 / 43.7
0.5
80 / 88
-8
38.4 / 40.4
-2.0
0.0 / 0.2
-0.2
WNW / NNE
29.888 / 29.970
-0.082
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
4/30/2026 03:40 44.2 / 43.9
0.3
80 / 88
-8
38.4 / 40.6
-2.2
0.0 / 0.2
-0.2
WNW / NNW
29.887 / 29.970
-0.083
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
4/30/2026 03:45 44.2 / 44.1
0.1
80 / 87
-7
38.4 / 40.4
-2.0
0.0 / 0.2
-0.2
WNW / NNW
29.884 / 29.967
-0.083
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
4/30/2026 03:50 44.2 / 44.1
0.1
80 / 86
-6
38.4 / 40.1
-1.7
0.0 / 0.2
-0.2
WNW / N
29.884 / 29.967
-0.083
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
4/30/2026 03:55 44.2 / 44.2
0.0
80 / 85
-5
38.4 / 40.0
-1.6
0.0 / 0.7
-0.7
WNW / NNW
29.884 / 29.967
-0.083
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
4/30/2026 04:00 44.3 / 44.2
0.1
80 / 84
-4
38.5 / 39.7
-1.2
1.0 / 0.7
0.3
WNW / NNW
29.884 / 29.967
-0.083
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
4/30/2026 04:05 44.3 / 44.2
0.1
79 / 83
-4
38.2 / 39.4
-1.2
3.0 / 0.9
2.1
WNW / N
29.881 / 29.964
-0.083
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
4/30/2026 04:10 44.2 / 44.1
0.1
79 / 82
-3
38.1 / 38.9
-0.8
3.0 / 0.9
2.1
WNW / N
29.881 / 29.964
-0.083
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
4/30/2026 04:15 44.2 / 44.1
0.1
79 / 82
-3
38.1 / 38.9
-0.8
4.0 / 1.3
2.7
WNW / NNW
29.881 / 29.964
-0.083
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
4/30/2026 04:20 44.1 / 43.9
0.2
79 / 82
-3
38.0 / 38.7
-0.7
4.0 / 1.1
2.9
WNW / NW
29.879 / 29.961
-0.082
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
4/30/2026 04:25 44.0 / 43.9
0.1
78 / 81
-3
37.6 / 38.4
-0.8
3.0 / 0.7
2.3
WNW / NNW
29.880 / 29.964
-0.084
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
4/30/2026 04:30 43.9 / 43.9
0.0
78 / 80
-2
37.5 / 38.1
-0.6
4.0 / 0.7
3.3
WNW / NNW
29.882 / 29.964
-0.082
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
4/30/2026 04:35 43.8 / 43.9
-0.1
78 / 80
-2
37.4 / 38.1
-0.7
3.0 / 1.6
1.4
WNW / NNW
29.880 / 29.961
-0.081
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
4/30/2026 04:40 43.6 / 43.7
-0.1
78 / 80
-2
37.2 / 37.9
-0.7
3.0 / 1.1
1.9
WNW / NW
29.880 / 29.961
-0.081
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
4/30/2026 04:45 43.5 / 43.5
0.0
78 / 80
-2
37.1 / 37.8
-0.7
4.0 / 0.7
3.3
WNW / NW
29.879 / 29.961
-0.082
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
4/30/2026 04:50 43.4 / 43.3
0.1
78 / 80
-2
37.0 / 37.6
-0.6
2.0 / 0.4
1.6
WNW / NW
29.881 / 29.961
-0.080
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
4/30/2026 04:55 43.2 / 43.0
0.2
79 / 81
-2
37.1 / 37.5
-0.4
1.0 / 0.7
0.3
WNW / NW
29.881 / 29.961
-0.080
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
4/30/2026 05:00 43.0 / 42.8
0.2
79 / 82
-3
36.9 / 37.7
-0.8
2.0 / 1.3
0.7
WNW / NNW
29.880 / 29.961
-0.081
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
4/30/2026 05:05 42.8 / 42.6
0.2
79 / 82
-3
36.7 / 37.5
-0.8
3.0 / 0.7
2.3
WNW / WNW
29.880 / 29.961
-0.081
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
4/30/2026 05:10 42.7 / 42.4
0.3
79 / 81
-2
36.6 / 37.0
-0.4
3.0 / 0.9
2.1
WNW / WNW
29.880 / 29.961
-0.081
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
4/30/2026 05:15 42.6 / 42.6
0.0
79 / 81
-2
36.5 / 37.2
-0.7
3.0 / 1.8
1.2
WNW / NW
29.881 / 29.961
-0.080
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
4/30/2026 05:20 42.5 / 42.6
-0.1
79 / 80
-1
36.4 / 36.9
-0.5
3.0 / 2.0
1.0
WNW / NW
29.880 / 29.964
-0.084
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
4/30/2026 05:25 42.4 / 42.4
0.0
79 / 81
-2
36.3 / 37.0
-0.7
2.0 / 2.2
-0.2
WNW / N
29.884 / 29.964
-0.080
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
4/30/2026 05:30 42.3 / 42.4
-0.1
79 / 81
-2
36.3 / 37.0
-0.7
4.0 / 1.8
2.2
WNW / NW
29.884 / 29.964
-0.080
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
4/30/2026 05:35 42.1 / 42.3
-0.2
79 / 81
-2
36.1 / 36.8
-0.7
2.0 / 0.9
1.1
WNW / NW
29.885 / 29.964
-0.079
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
4/30/2026 05:40 41.9 / 41.9
0.0
79 / 82
-3
35.9 / 36.8
-0.9
2.0 / 0.4
1.6
WNW / NW
29.886 / 29.964
-0.078
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
4/30/2026 05:45 41.8 / 41.7
0.1
79 / 82
-3
35.8 / 36.6
-0.8
1.0 / 3.1
-2.1
WNW / W
29.885 / 29.964
-0.079
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
Average Diff --:-- 0.4 -3.3 -0.6 1.3 --- -0.084 0.00 --- 0

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