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
5/10/2026 00:05 60.4 / 60.3
0.1
73 / 72
1
51.7 / 51.2
0.5
1.0 / 0.9
0.1
S / SW
29.770 / 29.873
-0.103
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
5/10/2026 00:10 60.5 / 60.4
0.1
73 / 73
0
51.8 / 51.7
0.1
1.0 / 0.0
1.0
SSE / SW
29.768 / 29.873
-0.105
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
5/10/2026 00:15 60.4 / 60.3
0.1
73 / 74
-1
51.7 / 51.9
-0.2
0.0 / 0.7
-0.7
SSE / SW
29.768 / 29.873
-0.105
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
5/10/2026 00:20 60.4 / 60.3
0.1
73 / 73
0
51.7 / 51.6
0.1
1.0 / 0.2
0.8
SSE / WSW
29.769 / 29.876
-0.107
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
5/10/2026 00:25 60.5 / 60.3
0.2
73 / 73
0
51.8 / 51.6
0.2
1.0 / 0.4
0.6
SSE / WSW
29.771 / 29.873
-0.102
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
5/10/2026 00:30 60.4 / 60.1
0.3
73 / 76
-3
51.7 / 52.5
-0.8
0.0 / 0.7
-0.7
SSE / SSW
29.769 / 29.876
-0.107
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
5/10/2026 00:35 60.4 / 60.1
0.3
73 / 74
-1
51.7 / 51.8
-0.1
1.0 / 0.2
0.8
SSE / WSW
29.770 / 29.876
-0.106
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
5/10/2026 00:40 60.3 / 59.9
0.4
73 / 73
0
51.6 / 51.2
0.4
0.0 / 0.0
0.0
SSE / WSW
29.771 / 29.876
-0.105
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
5/10/2026 00:45 60.2 / 60.1
0.1
74 / 74
0
51.9 / 51.8
0.1
1.0 / 0.7
0.3
SSE / SW
29.773 / 29.876
-0.103
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
Average Diff --:-- 0.2 -0.4 0.0 0.2 --- -0.105 0.00 --- 0

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