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
6/13/2026 00:05 64.0 / 64.2
-0.2
80 / 88
-8
57.7 / 60.6
-2.9
0.0 / 0.0
0.0
--- / SW
30.022 / 30.038
-0.016
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
6/13/2026 00:10 63.9 / 64.2
-0.3
80 / 88
-8
57.6 / 60.6
-3.0
0.0 / 0.0
0.0
--- / WSW
30.020 / 30.035
-0.015
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
6/13/2026 00:15 63.8 / 64.0
-0.2
80 / 88
-8
57.5 / 60.4
-2.9
0.0 / 0.0
0.0
--- / WSW
30.017 / 30.032
-0.015
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
6/13/2026 00:20 63.8 / 63.9
-0.1
80 / 88
-8
57.5 / 60.2
-2.7
0.0 / 0.0
0.0
--- / WSW
30.015 / 30.032
-0.017
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
6/13/2026 00:25 63.6 / 63.9
-0.3
80 / 89
-9
57.3 / 60.6
-3.3
0.0 / 0.0
0.0
--- / SW
30.016 / 30.032
-0.016
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
6/13/2026 00:30 63.6 / 63.9
-0.3
80 / 89
-9
57.3 / 60.6
-3.3
0.0 / 0.0
0.0
--- / W
30.017 / 30.032
-0.015
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
6/13/2026 00:35 63.5 / 63.9
-0.4
80 / 89
-9
57.2 / 60.6
-3.4
0.0 / 0.0
0.0
--- / WSW
30.018 / 30.032
-0.014
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
6/13/2026 00:40 63.4 / 63.7
-0.3
80 / 89
-9
57.1 / 60.4
-3.3
0.0 / 0.0
0.0
--- / WSW
30.020 / 30.035
-0.015
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
6/13/2026 00:45 63.2 / 63.5
-0.3
80 / 89
-9
56.9 / 60.2
-3.3
0.0 / 0.0
0.0
--- / WSW
30.021 / 30.038
-0.017
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
6/13/2026 00:50 63.4 / 63.5
-0.1
81 / 90
-9
57.5 / 60.5
-3.0
0.0 / 0.0
0.0
--- / WSW
30.024 / 30.038
-0.014
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
6/13/2026 00:55 63.4 / 63.7
-0.3
81 / 90
-9
57.5 / 60.7
-3.2
0.0 / 0.0
0.0
--- / WSW
30.025 / 30.044
-0.019
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
6/13/2026 01:00 63.4 / 63.7
-0.3
81 / 90
-9
57.5 / 60.7
-3.2
0.0 / 0.0
0.0
--- / WSW
30.025 / 30.041
-0.016
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
6/13/2026 01:05 63.3 / no data 81 / no data 57.4 / no data 0.0 / no data --- / no data 30.022 / no data 0.00 / no data 0.00 / no data 0 / no data
6/13/2026 01:10 63.1 / no data 81 / no data 57.2 / no data 0.0 / no data --- / no data 30.021 / no data 0.00 / no data 0.00 / no data 0 / no data
6/13/2026 01:15 63.0 / no data 81 / no data 57.1 / no data 0.0 / no data --- / no data 30.020 / no data 0.00 / no data 0.00 / no data 0 / no data
Average Diff --:-- -0.3 -8.7 -3.1 0.0 --- -0.016 0.00 --- 0

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