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
4/22/2026 00:05 63.4 / 64.0
-0.6
47 / 45
2
42.8 / 42.3
0.5
2.0 / 1.8
0.2
S / SSW
29.976 / 30.062
-0.086
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
4/22/2026 00:10 63.4 / 64.2
-0.8
47 / 45
2
42.8 / 42.4
0.4
3.0 / 2.2
0.8
S / SSW
29.978 / 30.062
-0.084
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
4/22/2026 00:15 63.5 / 64.6
-1.1
47 / 44
3
42.9 / 42.2
0.7
4.0 / 2.5
1.5
S / SSW
29.979 / 30.064
-0.085
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
4/22/2026 00:20 63.7 / 64.8
-1.1
47 / 45
2
43.1 / 42.9
0.2
3.0 / 1.3
1.7
S / WSW
29.980 / 30.064
-0.084
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
4/22/2026 00:25 63.8 / 64.9
-1.1
47 / 44
3
43.2 / 42.5
0.7
2.0 / 3.1
-1.1
S / SW
29.981 / 30.064
-0.083
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
4/22/2026 00:30 64.0 / 65.1
-1.1
47 / 44
3
43.4 / 42.7
0.7
3.0 / 2.0
1.0
SSE / SSW
29.980 / 30.064
-0.084
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
4/22/2026 00:35 64.1 / 65.3
-1.2
47 / 44
3
43.4 / 42.8
0.6
3.0 / 1.8
1.2
S / WSW
29.979 / 30.064
-0.085
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
4/22/2026 00:40 64.2 / 65.1
-0.9
47 / 44
3
43.5 / 42.7
0.8
3.0 / 3.6
-0.6
SSW / W
29.981 / 30.064
-0.083
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
4/22/2026 00:45 64.3 / 65.1
-0.8
47 / 44
3
43.6 / 42.7
0.9
3.0 / 1.8
1.2
SSW / SW
29.982 / 30.064
-0.082
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
Average Diff --:-- -1.0 2.7 0.6 0.7 --- -0.084 0.00 --- 0

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