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
5/5/2026 00:05 65.5 / 66.6
-1.1
62 / 59
3
52.1 / 51.8
0.3
4.0 / 2.0
2.0
S / S
29.663 / 29.766
-0.103
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
5/5/2026 00:10 65.6 / 66.6
-1.0
62 / 58
4
52.2 / 51.3
0.9
3.0 / 3.1
-0.1
S / SW
29.659 / 29.763
-0.104
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
5/5/2026 00:15 65.7 / 66.6
-0.9
62 / 58
4
52.3 / 51.3
1.0
3.0 / 3.1
-0.1
SSE / SW
29.660 / 29.766
-0.106
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
5/5/2026 00:20 65.6 / 66.6
-1.0
61 / 58
3
51.8 / 51.3
0.5
3.0 / 2.2
0.8
SSE / SSW
29.660 / 29.763
-0.103
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
5/5/2026 00:25 65.6 / 66.7
-1.1
62 / 58
4
52.2 / 51.5
0.7
3.0 / 4.0
-1.0
S / SW
29.660 / 29.763
-0.103
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
5/5/2026 00:30 65.5 / 66.7
-1.2
62 / 58
4
52.1 / 51.5
0.6
3.0 / 2.9
0.1
SSW / WSW
29.657 / 29.760
-0.103
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
5/5/2026 00:35 65.6 / 66.7
-1.1
61 / 57
4
51.8 / 51.0
0.8
4.0 / 4.0
0.0
S / SW
29.656 / 29.760
-0.104
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
5/5/2026 00:40 65.7 / 66.7
-1.0
61 / 58
3
51.9 / 51.5
0.4
4.0 / 3.8
0.2
S / SSW
29.652 / 29.757
-0.105
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
5/5/2026 00:45 65.7 / 66.7
-1.0
61 / 57
4
51.9 / 51.0
0.9
4.0 / 2.9
1.1
S / SW
29.651 / 29.757
-0.106
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
5/5/2026 00:50 65.5 / 66.6
-1.1
61 / 58
3
51.7 / 51.3
0.4
3.0 / 2.2
0.8
S / SSW
29.651 / 29.757
-0.106
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
5/5/2026 00:55 65.4 / 66.6
-1.2
61 / 58
3
51.6 / 51.3
0.3
3.0 / 3.1
-0.1
SE / WSW
29.652 / 29.757
-0.105
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
5/5/2026 01:00 65.2 / 66.4
-1.2
62 / 58
4
51.8 / 51.2
0.6
4.0 / 2.5
1.5
S / SSE
29.648 / 29.754
-0.106
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
5/5/2026 01:05 65.1 / 66.2
-1.1
62 / 58
4
51.8 / 51.0
0.8
3.0 / 3.6
-0.6
S / SSW
29.647 / 29.751
-0.104
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
5/5/2026 01:10 64.9 / 66.0
-1.1
62 / 58
4
51.6 / 50.8
0.8
4.0 / 4.9
-0.9
SSE / SSE
29.646 / 29.751
-0.105
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
5/5/2026 01:15 64.8 / 66.0
-1.2
62 / 59
3
51.5 / 51.3
0.2
4.0 / 1.8
2.2
S / S
29.645 / 29.749
-0.104
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
Average Diff --:-- -1.1 3.6 0.6 0.4 --- -0.104 0.00 --- 0

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