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
4/23/2026 00:05 61.2 / 60.1
1.1
64 / 70
-6
48.9 / 50.3
-1.4
0.0 / 0.2
-0.2
--- / WNW
29.933 / 30.035
-0.102
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
4/23/2026 00:10 61.3 / 60.3
1.0
64 / 65
-1
49.0 / 48.4
0.6
0.0 / 0.2
-0.2
SSW / SW
29.932 / 30.035
-0.103
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
4/23/2026 00:15 61.5 / 60.3
1.2
64 / 68
-4
49.2 / 49.7
-0.5
0.0 / 0.0
0.0
SSW / SW
29.934 / 30.038
-0.104
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
4/23/2026 00:20 61.3 / 59.9
1.4
64 / 70
-6
49.0 / 50.1
-1.1
0.0 / 0.7
-0.7
SSW / SSW
29.935 / 30.038
-0.103
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
4/23/2026 00:25 60.9 / 60.1
0.8
65 / 63
2
49.1 / 47.4
1.7
0.0 / 0.7
-0.7
SSW / SW
29.933 / 30.035
-0.102
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
4/23/2026 00:30 61.2 / 60.8
0.4
65 / 64
1
49.3 / 48.5
0.8
0.0 / 0.2
-0.2
SSW / SW
29.933 / 30.035
-0.102
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
4/23/2026 00:35 61.4 / 61.3
0.1
64 / 63
1
49.1 / 48.6
0.5
0.0 / 0.9
-0.9
SSW / S
29.932 / 30.035
-0.103
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
4/23/2026 00:40 61.6 / 61.5
0.1
64 / 64
0
49.3 / 49.2
0.1
0.0 / 0.4
-0.4
SSW / SW
29.932 / 30.035
-0.103
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
4/23/2026 00:45 61.5 / 61.3
0.2
64 / 65
-1
49.2 / 49.5
-0.3
0.0 / 0.9
-0.9
SSW / SSW
29.931 / 30.035
-0.104
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
4/23/2026 00:50 61.7 / 61.5
0.2
64 / 62
2
49.4 / 48.4
1.0
1.0 / 0.9
0.1
SSW / S
29.933 / 30.035
-0.102
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
4/23/2026 00:55 61.6 / 61.7
-0.1
64 / 62
2
49.3 / 48.5
0.8
0.0 / 0.7
-0.7
SSW / SW
29.931 / 30.035
-0.104
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
4/23/2026 01:00 61.7 / 61.9
-0.2
63 / 62
1
49.0 / 48.7
0.3
0.0 / 0.4
-0.4
SSW / S
29.932 / 30.035
-0.103
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
4/23/2026 01:05 61.8 / 62.1
-0.3
64 / 65
-1
49.5 / 50.2
-0.7
0.0 / 0.4
-0.4
SSW / WSW
29.930 / 30.035
-0.105
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
4/23/2026 01:10 61.8 / 61.7
0.1
63 / 66
-3
49.1 / 50.2
-1.1
1.0 / 0.7
0.3
SSW / SSW
29.932 / 30.035
-0.103
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
4/23/2026 01:15 61.7 / 61.9
-0.2
63 / 61
2
49.0 / 48.3
0.7
1.0 / 1.6
-0.6
SSW / SW
29.932 / 30.032
-0.100
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
Average Diff --:-- 0.4 -0.7 0.1 -0.4 --- -0.103 0.00 --- 0

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