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
2/11/2026 00:05 39.9 / 40.6
-0.7
75 / 72
3
32.6 / 32.3
0.3
6.0 / 4.2
1.8
NW / NW
29.927 / 30.014
-0.087
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
2/11/2026 00:10 39.7 / 40.5
-0.8
75 / 73
2
32.4 / 32.5
-0.1
4.0 / 3.1
0.9
NW / N
29.937 / 30.023
-0.086
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
2/11/2026 00:15 39.5 / 40.1
-0.6
76 / 74
2
32.6 / 32.5
0.1
2.0 / 1.6
0.4
NNW / NNW
29.941 / 30.029
-0.088
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
2/11/2026 00:20 39.3 / 39.9
-0.6
76 / 74
2
32.4 / 32.3
0.1
3.0 / 4.0
-1.0
NNW / NNW
29.941 / 30.026
-0.085
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
2/11/2026 00:25 39.0 / 39.7
-0.7
76 / 74
2
32.1 / 32.1
0.0
4.0 / 4.7
-0.7
NW / NNW
29.942 / 30.029
-0.087
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
2/11/2026 00:30 38.9 / 39.7
-0.8
77 / 74
3
32.3 / 32.1
0.2
6.0 / 3.8
2.2
NW / NNW
29.942 / 30.026
-0.084
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
2/11/2026 00:35 38.7 / 39.6
-0.9
77 / 75
2
32.1 / 32.3
-0.2
5.0 / 3.6
1.4
NW / NNW
29.942 / 30.032
-0.090
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
2/11/2026 00:40 38.5 / 39.2
-0.7
77 / 75
2
31.9 / 31.9
0.0
5.0 / 3.8
1.2
NNW / NNW
29.949 / 30.035
-0.086
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
2/11/2026 00:45 38.3 / 38.8
-0.5
78 / 76
2
32.0 / 31.9
0.1
3.0 / 4.7
-1.7
N / N
29.955 / 30.038
-0.083
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
Average Diff --:-- -0.7 2.2 0.1 0.5 --- -0.086 0.00 --- 0

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