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
2/26/2026 00:05 44.3 / 45.0
-0.7
55 / 54
1
29.1 / 29.3
-0.2
1.0 / 1.1
-0.1
WNW / NNW
29.752 / 29.831
-0.079
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
2/26/2026 00:10 44.2 / 45.0
-0.8
55 / 53
2
29.0 / 28.8
0.2
1.0 / 2.2
-1.2
WNW / WNW
29.751 / 29.828
-0.077
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
2/26/2026 00:15 44.1 / 44.8
-0.7
56 / 54
2
29.4 / 29.1
0.3
1.0 / 1.8
-0.8
WNW / NW
29.750 / 29.828
-0.078
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
2/26/2026 00:20 44.1 / 44.8
-0.7
56 / 54
2
29.4 / 29.1
0.3
1.0 / 1.3
-0.3
WNW / NNW
29.746 / 29.822
-0.076
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
2/26/2026 00:25 44.0 / 44.6
-0.6
56 / 54
2
29.3 / 29.0
0.3
1.0 / 1.6
-0.6
WNW / NW
29.744 / 29.822
-0.078
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
2/26/2026 00:30 43.9 / 44.4
-0.5
56 / 54
2
29.2 / 28.8
0.4
1.0 / 2.9
-1.9
WNW / NW
29.744 / 29.825
-0.081
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
2/26/2026 00:35 43.7 / 44.2
-0.5
56 / 54
2
29.0 / 28.6
0.4
2.0 / 0.7
1.3
W / NW
29.741 / 29.819
-0.078
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
2/26/2026 00:40 43.7 / 44.2
-0.5
56 / 54
2
29.0 / 28.6
0.4
1.0 / 0.2
0.8
WNW / WNW
29.735 / 29.813
-0.078
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
2/26/2026 00:45 43.5 / 43.7
-0.2
56 / 56
0
28.8 / 29.0
-0.2
0.0 / 0.2
-0.2
WNW / NNW
29.733 / 29.813
-0.080
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
2/26/2026 00:50 43.3 / 43.3
0.0
57 / 56
1
29.1 / 28.7
0.4
2.0 / 0.0
2.0
WNW / WNW
29.733 / 29.811
-0.078
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
2/26/2026 00:55 43.1 / 42.8
0.3
57 / 58
-1
28.9 / 29.0
-0.1
0.0 / 0.0
0.0
WNW / N
29.733 / 29.813
-0.080
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
2/26/2026 01:00 42.8 / 42.3
0.5
57 / 58
-1
28.6 / 28.5
0.1
0.0 / 0.0
0.0
WNW / SSW
29.730 / 29.808
-0.078
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
2/26/2026 01:05 42.5 / 41.7
0.8
58 / 59
-1
28.8 / 28.4
0.4
0.0 / 0.2
-0.2
WNW / NW
29.728 / 29.811
-0.083
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
2/26/2026 01:10 42.4 / 41.2
1.2
58 / 60
-2
28.7 / 28.3
0.4
0.0 / 0.0
0.0
--- / WNW
29.734 / 29.813
-0.079
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
2/26/2026 01:15 42.2 / 40.8
1.4
58 / 60
-2
28.5 / 28.0
0.5
0.0 / 0.0
0.0
--- / SW
29.735 / 29.813
-0.078
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
2/26/2026 01:20 42.1 / 40.6
1.5
59 / 60
-1
28.8 / 27.8
1.0
0.0 / 0.0
0.0
--- / NNE
29.730 / 29.808
-0.078
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
2/26/2026 01:25 42.0 / 41.0
1.0
59 / 59
0
28.7 / 27.8
0.9
0.0 / 0.2
-0.2
--- / NNE
29.733 / 29.813
-0.080
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
2/26/2026 01:30 41.9 / 41.4
0.5
59 / 59
0
28.6 / 28.1
0.5
0.0 / 0.0
0.0
--- / NNE
29.732 / 29.811
-0.079
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
2/26/2026 01:35 41.8 / 41.2
0.6
59 / 59
0
28.5 / 27.9
0.6
0.0 / 0.0
0.0
WNW / WNW
29.732 / 29.813
-0.081
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
2/26/2026 01:40 41.6 / 40.8
0.8
60 / 64
-4
28.7 / 29.6
-0.9
0.0 / 0.0
0.0
WNW / W
29.736 / 29.816
-0.080
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
2/26/2026 01:45 41.3 / 40.5
0.8
60 / 63
-3
28.4 / 28.8
-0.4
0.0 / 0.2
-0.2
WNW / NW
29.738 / 29.819
-0.081
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
2/26/2026 01:50 41.3 / 40.6
0.7
61 / 60
1
28.9 / 27.8
1.1
1.0 / 0.9
0.1
WNW / WNW
29.740 / 29.822
-0.082
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
2/26/2026 01:55 41.4 / 41.2
0.2
61 / 61
0
28.9 / 28.7
0.2
1.0 / 0.0
1.0
WNW / SW
29.748 / 29.828
-0.080
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
2/26/2026 02:00 41.3 / 40.8
0.5
62 / 62
0
29.3 / 28.8
0.5
0.0 / 0.2
-0.2
WNW / SSW
29.751 / 29.831
-0.080
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
2/26/2026 02:05 41.3 / 40.8
0.5
62 / 62
0
29.3 / 28.8
0.5
1.0 / 1.3
-0.3
WNW / WNW
29.748 / 29.828
-0.080
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
2/26/2026 02:10 41.7 / 41.5
0.2
61 / 59
2
29.2 / 28.3
0.9
2.0 / 1.3
0.7
WNW / NW
29.754 / 29.834
-0.080
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
2/26/2026 02:15 41.9 / 42.3
-0.4
61 / 58
3
29.4 / 28.5
0.9
2.0 / 1.6
0.4
WNW / NW
29.754 / 29.834
-0.080
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
2/26/2026 02:20 42.0 / 42.6
-0.6
61 / 58
3
29.5 / 28.9
0.6
3.0 / 2.7
0.3
NNW / NW
29.760 / 29.843
-0.083
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
2/26/2026 02:25 42.1 / 42.8
-0.7
61 / 59
2
29.6 / 29.5
0.1
3.0 / 2.0
1.0
NNW / NW
29.763 / 29.843
-0.080
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
2/26/2026 02:30 42.1 / 42.8
-0.7
63 / 60
3
30.4 / 29.9
0.5
3.0 / 1.8
1.2
NNW / NNW
29.765 / 29.843
-0.078
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
2/26/2026 02:35 41.9 / 42.8
-0.9
63 / 60
3
30.2 / 29.9
0.3
2.0 / 2.9
-0.9
NNW / N
29.765 / 29.843
-0.078
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
2/26/2026 02:40 41.7 / 42.6
-0.9
64 / 60
4
30.4 / 29.7
0.7
2.0 / 1.8
0.2
NNW / NNW
29.768 / 29.846
-0.078
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
2/26/2026 02:45 41.6 / 42.4
-0.8
64 / 61
3
30.3 / 29.9
0.4
2.0 / 1.1
0.9
NNW / NW
29.771 / 29.852
-0.081
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
2/26/2026 02:50 41.5 / 42.4
-0.9
64 / 61
3
30.2 / 29.9
0.3
2.0 / 0.9
1.1
NNW / NW
29.774 / 29.852
-0.078
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
2/26/2026 02:55 41.4 / 42.3
-0.9
63 / 61
2
29.7 / 29.8
-0.1
2.0 / 2.7
-0.7
N / NE
29.775 / 29.855
-0.080
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
2/26/2026 03:00 41.3 / 42.1
-0.8
63 / 61
2
29.6 / 29.6
0.0
4.0 / 2.2
1.8
N / NE
29.779 / 29.858
-0.079
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
2/26/2026 03:05 41.1 / no data 63 / no data 29.5 / no data 2.0 / no data N / no data 29.779 / no data 0.00 / no data 0.00 / no data 0 / no data
2/26/2026 03:10 40.8 / no data 63 / no data 29.2 / no data 1.0 / no data N / no data 29.780 / no data 0.00 / no data 0.00 / no data 0 / no data
2/26/2026 03:15 40.6 / no data 62 / no data 28.6 / no data 3.0 / no data N / no data 29.777 / no data 0.00 / no data 0.00 / no data 0 / no data
Average Diff --:-- -0.0 0.9 0.3 0.1 --- -0.079 0.00 --- 0

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