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
6/1/2026 00:05 65.8 / 66.4
-0.6
70 / 71
-1
55.7 / 56.7
-1.0
0.0 / 0.0
0.0
--- / W
29.987 / 30.000
-0.013
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
6/1/2026 00:10 65.7 / 66.2
-0.5
68 / 71
-3
54.8 / 56.5
-1.7
0.0 / 0.0
0.0
--- / W
29.986 / 29.997
-0.011
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
6/1/2026 00:15 65.9 / 66.2
-0.3
68 / 69
-1
55.0 / 55.7
-0.7
0.0 / 0.0
0.0
ENE / W
29.987 / 30.000
-0.013
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
6/1/2026 00:20 66.2 / 66.0
0.2
63 / 65
-2
53.2 / 53.9
-0.7
1.0 / 0.0
1.0
ENE / W
29.985 / 29.997
-0.012
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
6/1/2026 00:25 66.6 / 66.0
0.6
64 / 63
1
54.0 / 53.1
0.9
0.0 / 0.0
0.0
ENE / W
29.985 / 29.997
-0.012
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
6/1/2026 00:30 66.7 / 66.0
0.7
65 / 68
-3
54.6 / 55.2
-0.6
0.0 / 0.0
0.0
ENE / W
29.985 / 29.997
-0.012
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
6/1/2026 00:35 66.7 / 66.2
0.5
69 / 72
-3
56.2 / 56.9
-0.7
0.0 / 0.0
0.0
--- / W
29.987 / 30.000
-0.013
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
6/1/2026 00:40 66.7 / 66.2
0.5
70 / 72
-2
56.6 / 56.9
-0.3
0.0 / 0.0
0.0
--- / W
29.988 / 30.002
-0.014
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
6/1/2026 00:45 66.5 / 66.2
0.3
65 / 72
-7
54.4 / 56.9
-2.5
0.0 / 0.0
0.0
ENE / W
29.991 / 30.002
-0.011
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
6/1/2026 00:50 66.5 / 65.8
0.7
65 / 64
1
54.4 / 53.3
1.1
0.0 / 0.0
0.0
ENE / NW
29.989 / 30.000
-0.011
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
6/1/2026 00:55 66.5 / 66.0
0.5
65 / 63
2
54.4 / 53.1
1.3
0.0 / 0.0
0.0
ENE / NW
29.986 / 30.000
-0.014
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
6/1/2026 01:00 66.4 / 66.2
0.2
65 / 64
1
54.3 / 53.7
0.6
0.0 / 0.0
0.0
ENE / NW
29.987 / 30.000
-0.013
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
6/1/2026 01:05 66.3 / 66.2
0.1
65 / 62
3
54.2 / 52.8
1.4
0.0 / 0.0
0.0
--- / NW
29.986 / 29.997
-0.011
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
6/1/2026 01:10 66.3 / 66.2
0.1
66 / 63
3
54.6 / 53.2
1.4
0.0 / 0.0
0.0
--- / NW
29.983 / 29.997
-0.014
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
6/1/2026 01:15 66.2 / 66.4
-0.2
68 / 68
0
55.3 / 55.5
-0.2
0.0 / 0.0
0.0
--- / NW
29.985 / 29.997
-0.012
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
Average Diff --:-- 0.2 -0.7 -0.1 0.1 --- -0.012 0.00 --- 0

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