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
2/28/2026 00:05 49.0 / 49.8
-0.8
63 / 60
3
36.9 / 36.5
0.4
5.0 / 3.4
1.6
S / SSW
29.882 / 29.961
-0.079
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
2/28/2026 00:10 48.8 / 49.6
-0.8
63 / 60
3
36.8 / 36.3
0.5
4.0 / 5.1
-1.1
SSE / SSW
29.882 / 29.958
-0.076
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
2/28/2026 00:15 48.7 / 49.6
-0.9
63 / 60
3
36.7 / 36.3
0.4
5.0 / 3.6
1.4
SSE / SSW
29.883 / 29.961
-0.078
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
2/28/2026 00:20 48.6 / 49.6
-1.0
63 / 60
3
36.6 / 36.3
0.3
4.0 / 3.1
0.9
SSE / S
29.883 / 29.961
-0.078
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
2/28/2026 00:25 48.6 / 49.5
-0.9
63 / 60
3
36.6 / 36.1
0.5
5.0 / 3.4
1.6
SSE / SW
29.882 / 29.958
-0.076
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
2/28/2026 00:30 48.6 / 49.5
-0.9
63 / 60
3
36.6 / 36.1
0.5
5.0 / 4.0
1.0
SSE / S
29.883 / 29.961
-0.078
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
2/28/2026 00:35 48.6 / 49.5
-0.9
63 / 59
4
36.6 / 35.7
0.9
6.0 / 3.8
2.2
S / S
29.883 / 29.961
-0.078
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
2/28/2026 00:40 48.7 / 49.6
-0.9
63 / 59
4
36.7 / 35.9
0.8
4.0 / 2.9
1.1
SSE / SSW
29.884 / 29.961
-0.077
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
2/28/2026 00:45 48.6 / 49.6
-1.0
63 / 60
3
36.6 / 36.3
0.3
5.0 / 2.9
2.1
S / SSW
29.884 / 29.961
-0.077
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
2/28/2026 00:50 48.5 / 49.5
-1.0
63 / 59
4
36.5 / 35.7
0.8
4.0 / 3.6
0.4
SSE / S
29.883 / 29.961
-0.078
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
2/28/2026 00:55 48.5 / 49.5
-1.0
63 / 59
4
36.5 / 35.7
0.8
4.0 / 3.1
0.9
SSE / S
29.885 / 29.964
-0.079
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
2/28/2026 01:00 48.5 / 49.3
-0.8
63 / 60
3
36.5 / 36.0
0.5
4.0 / 4.2
-0.2
SSE / SSW
29.884 / 29.964
-0.080
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
2/28/2026 01:05 48.6 / 49.3
-0.7
62 / 59
3
36.2 / 35.5
0.7
4.0 / 2.7
1.3
S / SSW
29.886 / 29.964
-0.078
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
2/28/2026 01:10 48.5 / 49.5
-1.0
63 / 59
4
36.5 / 35.7
0.8
4.0 / 3.8
0.2
S / SSW
29.887 / 29.967
-0.080
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
2/28/2026 01:15 48.4 / 49.5
-1.1
63 / 59
4
36.4 / 35.7
0.7
4.0 / 3.8
0.2
SSE / SSW
29.890 / 29.967
-0.077
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
2/28/2026 01:20 48.4 / 49.5
-1.1
62 / 58
4
36.0 / 35.3
0.7
4.0 / 2.5
1.5
S / S
29.891 / 29.970
-0.079
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
2/28/2026 01:25 48.4 / 49.5
-1.1
62 / 59
3
36.0 / 35.7
0.3
3.0 / 3.1
-0.1
SSE / S
29.892 / 29.970
-0.078
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
2/28/2026 01:30 48.4 / 49.3
-0.9
62 / 59
3
36.0 / 35.5
0.5
4.0 / 2.5
1.5
S / S
29.893 / 29.970
-0.077
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
2/28/2026 01:35 48.4 / 49.3
-0.9
62 / 59
3
36.0 / 35.5
0.5
4.0 / 2.5
1.5
S / S
29.893 / 29.970
-0.077
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
2/28/2026 01:40 48.3 / 49.3
-1.0
62 / 59
3
35.9 / 35.5
0.4
3.0 / 3.8
-0.8
S / SSW
29.893 / 29.970
-0.077
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
2/28/2026 01:45 48.4 / 49.3
-0.9
62 / 59
3
36.0 / 35.5
0.5
4.0 / 2.2
1.8
SSE / S
29.893 / 29.970
-0.077
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
Average Diff --:-- -0.9 3.3 0.6 0.9 --- -0.078 0.00 --- 0

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