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
11/27/2025 00:05 33.5 / 34.3
-0.8
55 / 48
7
19.0 / 16.2
2.8
6.0 / 3.6
2.4
WSW / WSW
30.123 / 30.174
-0.051
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
11/27/2025 00:10 33.3 / 34.2
-0.9
56 / 48
8
19.3 / 16.5
2.8
5.0 / 4.9
0.1
WSW / WNW
30.123 / 30.174
-0.051
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
11/27/2025 00:15 33.3 / 34.2
-0.9
56 / 48
8
19.3 / 16.5
2.8
5.0 / 4.0
1.0
WSW / NW
30.123 / 30.174
-0.051
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
11/27/2025 00:20 33.2 / 34.0
-0.8
56 / 48
8
19.2 / 16.3
2.9
4.0 / 5.1
-1.1
WSW / WNW
30.120 / 30.171
-0.051
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
11/27/2025 00:25 33.1 / 34.0
-0.9
57 / 49
8
19.5 / 16.8
2.7
5.0 / 6.3
-1.3
WSW / WNW
30.120 / 30.171
-0.051
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
11/27/2025 00:30 33.0 / 33.8
-0.8
57 / 49
8
19.4 / 16.6
2.8
4.0 / 4.5
-0.5
WSW / WNW
30.121 / 30.171
-0.050
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
11/27/2025 00:35 32.9 / 33.8
-0.9
57 / 49
8
19.3 / 16.6
2.7
5.0 / 3.8
1.2
WSW / W
30.117 / 30.171
-0.054
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
11/27/2025 00:40 32.8 / 33.6
-0.8
57 / 48
9
19.2 / 16.5
2.7
5.0 / 7.4
-2.4
WSW / WNW
30.115 / 30.168
-0.053
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
11/27/2025 00:45 32.9 / 33.8
-0.9
57 / 48
9
19.3 / 16.2
3.1
6.0 / 7.2
-1.2
WSW / WNW
30.115 / 30.168
-0.053
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
11/27/2025 00:50 32.9 / 33.8
-0.9
56 / 48
8
18.9 / 16.2
2.7
7.0 / 7.6
-0.6
WSW / WNW
30.115 / 30.165
-0.050
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
11/27/2025 00:55 32.8 / 33.6
-0.8
57 / 49
8
19.2 / 16.5
2.7
4.0 / 5.8
-1.8
W / WNW
30.115 / 30.162
-0.047
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
11/27/2025 01:00 32.6 / 33.4
-0.8
57 / 49
8
19.0 / 16.3
2.7
5.0 / 5.1
-0.1
WSW / WNW
30.113 / 30.162
-0.049
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
11/27/2025 01:05 32.5 / 33.4
-0.9
57 / 48
9
18.9 / 15.8
3.1
4.0 / 6.9
-2.9
W / W
30.112 / 30.162
-0.050
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
11/27/2025 01:10 32.5 / 33.3
-0.8
57 / 50
7
18.9 / 16.6
2.3
4.0 / 4.7
-0.7
WSW / WNW
30.111 / 30.162
-0.051
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
11/27/2025 01:15 32.3 / 33.1
-0.8
58 / 50
8
19.2 / 16.4
2.8
3.0 / 6.5
-3.5
WSW / WSW
30.111 / 30.162
-0.051
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
Average Diff --:-- -0.8 8.1 2.8 -0.8 --- -0.051 0.00 --- 0

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