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
4/17/2026 00:05 61.8 / 62.4
-0.6
74 / 72
2
53.4 / 53.3
0.1
0.0 / 0.0
0.0
--- / SSW
29.860 / 29.970
-0.110
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
4/17/2026 00:10 61.7 / 62.4
-0.7
75 / 71
4
53.7 / 52.9
0.8
0.0 / 0.4
-0.4
SSE / SSW
29.863 / 29.970
-0.107
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
4/17/2026 00:15 61.6 / 62.4
-0.8
75 / 72
3
53.6 / 53.3
0.3
0.0 / 0.2
-0.2
SSE / SW
29.860 / 29.967
-0.107
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
4/17/2026 00:20 61.5 / 62.4
-0.9
74 / 73
1
53.1 / 53.6
-0.5
0.0 / 0.0
0.0
--- / SW
29.861 / 29.970
-0.109
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
4/17/2026 00:25 61.6 / 62.4
-0.8
74 / 75
-1
53.2 / 54.4
-1.2
0.0 / 0.0
0.0
--- / SW
29.862 / 29.970
-0.108
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
4/17/2026 00:30 61.7 / 62.4
-0.7
75 / 74
1
53.7 / 54.0
-0.3
0.0 / 0.0
0.0
--- / SW
29.863 / 29.970
-0.107
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
4/17/2026 00:35 61.7 / 62.2
-0.5
75 / 74
1
53.7 / 53.8
-0.1
0.0 / 0.0
0.0
--- / SW
29.863 / 29.970
-0.107
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
4/17/2026 00:40 61.6 / 62.1
-0.5
75 / 76
-1
53.6 / 54.4
-0.8
0.0 / 0.0
0.0
--- / WSW
29.865 / 29.973
-0.108
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
4/17/2026 00:45 61.7 / 62.1
-0.4
77 / 77
0
54.4 / 54.8
-0.4
0.0 / 0.0
0.0
--- / WSW
29.865 / 29.973
-0.108
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
4/17/2026 00:50 61.6 / 61.9
-0.3
76 / 77
-1
54.0 / 54.6
-0.6
0.0 / 0.0
0.0
--- / WSW
29.867 / 29.976
-0.109
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
4/17/2026 00:55 61.5 / 61.7
-0.2
76 / 77
-1
53.9 / 54.4
-0.5
0.0 / 0.0
0.0
--- / WSW
29.869 / 29.976
-0.107
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
4/17/2026 01:00 61.5 / 61.7
-0.2
77 / 76
1
54.2 / 54.1
0.1
0.0 / 0.4
-0.4
--- / SW
29.869 / 29.976
-0.107
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
4/17/2026 01:05 61.2 / 61.5
-0.3
76 / 73
3
53.6 / 52.8
0.8
0.0 / 0.0
0.0
--- / SSW
29.870 / 29.976
-0.106
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
4/17/2026 01:10 61.1 / 61.7
-0.6
75 / 75
0
53.1 / 53.7
-0.6
0.0 / 0.0
0.0
--- / SSW
29.870 / 29.976
-0.106
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
4/17/2026 01:15 61.1 / 61.9
-0.8
74 / 75
-1
52.7 / 53.9
-1.2
0.0 / 0.0
0.0
--- / SSW
29.869 / 29.976
-0.107
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
4/17/2026 01:20 61.3 / 61.9
-0.6
75 / 77
-2
53.3 / 54.6
-1.3
0.0 / 0.0
0.0
--- / SSW
29.870 / 29.979
-0.109
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
4/17/2026 01:25 61.3 / 61.9
-0.6
75 / 74
1
53.3 / 53.5
-0.2
0.0 / 0.0
0.0
--- / WSW
29.871 / 29.979
-0.108
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
4/17/2026 01:30 61.2 / 61.9
-0.7
75 / 74
1
53.2 / 53.5
-0.3
0.0 / 0.0
0.0
--- / SW
29.870 / 29.979
-0.109
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
4/17/2026 01:35 61.2 / 61.9
-0.7
76 / 75
1
53.6 / 53.9
-0.3
0.0 / 0.0
0.0
--- / SSW
29.871 / 29.979
-0.108
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
4/17/2026 01:40 61.1 / 61.9
-0.8
76 / 76
0
53.5 / 54.2
-0.7
0.0 / 0.0
0.0
--- / S
29.871 / 29.979
-0.108
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
4/17/2026 01:45 61.1 / 61.9
-0.8
77 / 75
2
53.8 / 53.9
-0.1
0.0 / 0.0
0.0
SSE / SSW
29.871 / 29.979
-0.108
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
4/17/2026 01:50 61.0 / 61.9
-0.9
76 / 75
1
53.4 / 53.9
-0.5
0.0 / 0.0
0.0
SSE / SW
29.871 / 29.979
-0.108
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
4/17/2026 01:55 61.0 / 61.9
-0.9
77 / 76
1
53.7 / 54.2
-0.5
0.0 / 0.0
0.0
SSE / S
29.872 / 29.979
-0.107
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
4/17/2026 02:00 61.0 / 61.7
-0.7
77 / 74
3
53.7 / 53.3
0.4
1.0 / 2.0
-1.0
SSE / SSW
29.872 / 29.982
-0.110
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
4/17/2026 02:05 61.2 / 62.4
-1.2
75 / 69
6
53.2 / 52.1
1.1
2.0 / 2.2
-0.2
SSE / SSW
29.873 / 29.982
-0.109
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
4/17/2026 02:10 61.8 / 63.1
-1.3
74 / 69
5
53.4 / 52.8
0.6
2.0 / 1.6
0.4
SSE / WSW
29.873 / 29.979
-0.106
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
4/17/2026 02:15 62.3 / 63.5
-1.2
73 / 69
4
53.5 / 53.1
0.4
2.0 / 0.2
1.8
SSE / SSW
29.873 / 29.979
-0.106
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
4/17/2026 02:20 62.6 / 63.5
-0.9
72 / 71
1
53.4 / 53.9
-0.5
1.0 / 0.9
0.1
SSE / SSW
29.872 / 29.979
-0.107
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
4/17/2026 02:25 62.7 / 63.3
-0.6
73 / 71
2
53.9 / 53.8
0.1
1.0 / 0.7
0.3
SSE / SSW
29.873 / 29.982
-0.109
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
4/17/2026 02:30 62.3 / 62.8
-0.5
73 / 71
2
53.5 / 53.2
0.3
1.0 / 1.1
-0.1
SSE / SSW
29.874 / 29.982
-0.108
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
4/17/2026 02:35 62.2 / 62.8
-0.6
73 / 71
2
53.4 / 53.2
0.2
1.0 / 0.7
0.3
SSE / S
29.874 / 29.982
-0.108
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
4/17/2026 02:40 62.1 / 62.6
-0.5
73 / 73
0
53.3 / 53.8
-0.5
1.0 / 0.2
0.8
SSW / SW
29.874 / 29.982
-0.108
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
4/17/2026 02:45 61.9 / 62.4
-0.5
73 / 74
-1
53.1 / 54.0
-0.9
1.0 / 0.2
0.8
SSW / SSW
29.873 / 29.979
-0.106
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
4/17/2026 02:50 61.9 / 62.4
-0.5
74 / 73
1
53.5 / 53.6
-0.1
1.0 / 0.9
0.1
SSW / SW
29.872 / 29.979
-0.107
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
4/17/2026 02:55 61.9 / 62.2
-0.3
74 / 74
0
53.5 / 53.8
-0.3
0.0 / 0.0
0.0
SSW / SW
29.871 / 29.979
-0.108
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
4/17/2026 03:00 61.7 / 62.1
-0.4
74 / 75
-1
53.3 / 54.0
-0.7
0.0 / 0.0
0.0
SSW / SSW
29.871 / 29.979
-0.108
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
4/17/2026 03:05 61.6 / 61.9
-0.3
75 / 76
-1
53.6 / 54.2
-0.6
0.0 / 0.7
-0.7
SSW / SSW
29.870 / 29.979
-0.109
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
4/17/2026 03:10 61.3 / 61.3
0.0
75 / 78
-3
53.3 / 54.4
-1.1
0.0 / 0.0
0.0
SSW / SSW
29.870 / 29.976
-0.106
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
4/17/2026 03:15 61.1 / 61.0
0.1
76 / 77
-1
53.5 / 53.7
-0.2
0.0 / 1.3
-1.3
--- / SSW
29.871 / 29.979
-0.108
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
4/17/2026 03:20 60.7 / 60.8
-0.1
76 / 76
0
53.1 / 53.2
-0.1
0.0 / 0.2
-0.2
SSW / WSW
29.870 / 29.976
-0.106
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
4/17/2026 03:25 60.7 / 60.8
-0.1
77 / 76
1
53.4 / 53.2
0.2
1.0 / 0.0
1.0
SSW / SW
29.873 / 29.979
-0.106
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
4/17/2026 03:30 60.5 / 60.8
-0.3
77 / 77
0
53.3 / 53.5
-0.2
0.0 / 0.0
0.0
SSW / W
29.874 / 29.979
-0.105
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
4/17/2026 03:35 60.5 / 60.8
-0.3
76 / 77
-1
52.9 / 53.5
-0.6
0.0 / 0.0
0.0
SSW / SSW
29.873 / 29.979
-0.106
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
4/17/2026 03:40 60.5 / 60.8
-0.3
77 / 78
-1
53.3 / 53.9
-0.6
0.0 / 0.2
-0.2
SSW / SW
29.875 / 29.979
-0.104
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
4/17/2026 03:45 60.4 / 60.4
0.0
76 / 79
-3
52.8 / 53.9
-1.1
0.0 / 0.2
-0.2
SSW / W
29.875 / 29.982
-0.107
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
Average Diff --:-- -0.6 0.7 -0.3 0.0 --- -0.107 0.00 --- 0

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