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
5/7/2026 00:05 45.0 / 45.1
-0.1
81 / 90
-9
39.5 / 42.4
-2.9
0.0 / 0.4
-0.4
--- / SSW
29.911 / 29.988
-0.077
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
5/7/2026 00:10 44.9 / 45.0
-0.1
81 / 90
-9
39.4 / 42.2
-2.8
0.0 / 0.0
0.0
--- / SW
29.910 / 29.988
-0.078
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
5/7/2026 00:15 44.7 / 45.0
-0.3
81 / 90
-9
39.2 / 42.2
-3.0
0.0 / 0.0
0.0
--- / SW
29.909 / 29.985
-0.076
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
5/7/2026 00:20 44.6 / 45.0
-0.4
81 / 90
-9
39.1 / 42.2
-3.1
0.0 / 0.0
0.0
--- / W
29.907 / 29.988
-0.081
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
5/7/2026 00:25 44.6 / 45.0
-0.4
81 / 91
-10
39.1 / 42.5
-3.4
0.0 / 0.0
0.0
--- / W
29.913 / 29.988
-0.075
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
5/7/2026 00:30 44.6 / 44.8
-0.2
81 / 91
-10
39.1 / 42.3
-3.2
0.0 / 0.0
0.0
--- / E
29.911 / 29.988
-0.077
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
5/7/2026 00:35 44.6 / 44.8
-0.2
81 / 91
-10
39.1 / 42.3
-3.2
0.0 / 0.0
0.0
--- / SSW
29.912 / 29.988
-0.076
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
5/7/2026 00:40 44.5 / 44.6
-0.1
81 / 91
-10
39.0 / 42.1
-3.1
0.0 / 0.0
0.0
--- / SSW
29.909 / 29.985
-0.076
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
5/7/2026 00:45 44.3 / 44.2
0.1
81 / 91
-10
38.8 / 41.8
-3.0
0.0 / 0.0
0.0
--- / SSW
29.907 / 29.982
-0.075
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
5/7/2026 00:50 44.2 / 44.1
0.1
81 / 92
-11
38.7 / 41.9
-3.2
0.0 / 0.0
0.0
--- / SSW
29.906 / 29.982
-0.076
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
5/7/2026 00:55 44.1 / 43.9
0.2
81 / 92
-11
38.6 / 41.7
-3.1
0.0 / 0.0
0.0
--- / ENE
29.910 / 29.985
-0.075
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
5/7/2026 01:00 44.0 / 43.7
0.3
82 / 92
-10
38.9 / 41.5
-2.6
0.0 / 0.0
0.0
--- / N
29.909 / 29.982
-0.073
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
5/7/2026 01:05 43.8 / 43.5
0.3
81 / 92
-11
38.3 / 41.4
-3.1
0.0 / 0.2
-0.2
--- / N
29.903 / 29.979
-0.076
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
5/7/2026 01:10 43.6 / 43.2
0.4
81 / 92
-11
38.2 / 41.0
-2.8
0.0 / 0.2
-0.2
--- / NNW
29.903 / 29.979
-0.076
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
5/7/2026 01:15 43.4 / 43.0
0.4
81 / 92
-11
38.0 / 40.8
-2.8
0.0 / 0.2
-0.2
--- / WSW
29.908 / 29.982
-0.074
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
5/7/2026 01:20 43.3 / 42.8
0.5
81 / 92
-11
37.9 / 40.6
-2.7
0.0 / 0.0
0.0
--- / NW
29.909 / 29.982
-0.073
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
5/7/2026 01:25 43.3 / 42.8
0.5
82 / 92
-10
38.2 / 40.6
-2.4
0.0 / 0.0
0.0
--- / NW
29.907 / 29.982
-0.075
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
5/7/2026 01:30 43.6 / 43.0
0.6
82 / 94
-12
38.5 / 41.4
-2.9
0.0 / 0.0
0.0
--- / WSW
29.909 / 29.985
-0.076
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
5/7/2026 01:35 43.7 / 43.3
0.4
82 / 93
-11
38.6 / 41.5
-2.9
0.0 / 0.0
0.0
--- / WSW
29.910 / 29.982
-0.072
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
5/7/2026 01:40 43.6 / 43.3
0.3
82 / 93
-11
38.5 / 41.5
-3.0
0.0 / 0.0
0.0
--- / NNW
29.907 / 29.982
-0.075
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
5/7/2026 01:45 43.5 / 43.2
0.3
82 / 94
-12
38.4 / 41.6
-3.2
0.0 / 0.0
0.0
--- / NW
29.907 / 29.982
-0.075
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
5/7/2026 01:50 43.5 / 43.2
0.3
82 / 94
-12
38.4 / 41.6
-3.2
0.0 / 0.0
0.0
--- / ESE
29.906 / 29.979
-0.073
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
5/7/2026 01:55 43.3 / 43.0
0.3
82 / 94
-12
38.2 / 41.4
-3.2
0.0 / 0.0
0.0
--- / NW
29.904 / 29.979
-0.075
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
5/7/2026 02:00 43.2 / 42.8
0.4
82 / 95
-13
38.1 / 41.5
-3.4
0.0 / 0.0
0.0
--- / NNW
29.907 / 29.982
-0.075
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
5/7/2026 02:05 43.2 / 43.2
0.0
82 / 94
-12
38.1 / 41.6
-3.5
0.0 / 0.0
0.0
WNW / WNW
29.906 / 29.982
-0.076
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
5/7/2026 02:10 43.2 / 43.2
0.0
82 / 94
-12
38.1 / 41.6
-3.5
0.0 / 0.2
-0.2
WNW / N
29.907 / 29.979
-0.072
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
5/7/2026 02:15 43.2 / 42.8
0.4
81 / 94
-13
37.8 / 41.2
-3.4
0.0 / 0.2
-0.2
WNW / NW
29.909 / 29.982
-0.073
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
Average Diff --:-- 0.1 -10.8 -3.1 -0.1 --- -0.075 0.00 --- 0

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