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
2/22/2026 00:05 29.6 / 30.0
-0.4
79 / 78
1
23.9 / 24.0
-0.1
4.0 / 4.2
-0.2
W / NW
30.109 / 30.156
-0.047
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
2/22/2026 00:10 29.6 / 30.0
-0.4
79 / 78
1
23.9 / 24.0
-0.1
3.0 / 3.1
-0.1
W / NW
30.110 / 30.159
-0.049
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
2/22/2026 00:15 29.5 / 30.0
-0.5
79 / 78
1
23.8 / 24.0
-0.2
5.0 / 5.1
-0.1
W / NW
30.113 / 30.159
-0.046
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
2/22/2026 00:20 29.5 / 30.0
-0.5
79 / 78
1
23.8 / 24.0
-0.2
5.0 / 4.7
0.3
WNW / NW
30.112 / 30.159
-0.047
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
2/22/2026 00:25 29.5 / 30.0
-0.5
79 / 78
1
23.8 / 24.0
-0.2
6.0 / 4.7
1.3
W / NW
30.111 / 30.156
-0.045
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
2/22/2026 00:30 29.4 / 29.8
-0.4
79 / 78
1
23.7 / 23.8
-0.1
5.0 / 5.6
-0.6
W / NW
30.112 / 30.159
-0.047
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
2/22/2026 00:35 29.3 / 29.8
-0.5
79 / 77
2
23.6 / 23.5
0.1
8.0 / 8.0
0.0
W / NW
30.114 / 30.159
-0.045
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
2/22/2026 00:40 29.2 / 29.7
-0.5
78 / 76
2
23.2 / 23.0
0.2
7.0 / 6.3
0.7
W / WNW
30.116 / 30.159
-0.043
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
2/22/2026 00:45 29.0 / 29.7
-0.7
78 / 76
2
23.0 / 23.0
0.0
6.0 / 5.6
0.4
W / NW
30.113 / 30.159
-0.046
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
2/22/2026 00:50 28.9 / 29.5
-0.6
78 / 76
2
22.9 / 22.8
0.1
8.0 / 7.2
0.8
WNW / NW
30.111 / 30.156
-0.045
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
2/22/2026 00:55 28.7 / 29.3
-0.6
77 / 76
1
22.4 / 22.7
-0.3
8.0 / 4.9
3.1
W / NW
30.113 / 30.159
-0.046
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
2/22/2026 01:00 28.5 / 29.1
-0.6
77 / 74
3
22.2 / 21.9
0.3
7.0 / 9.2
-2.2
WNW / NW
30.115 / 30.159
-0.044
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
2/22/2026 01:05 28.3 / 28.9
-0.6
76 / 73
3
21.7 / 21.4
0.3
9.0 / 8.0
1.0
W / WNW
30.115 / 30.159
-0.044
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
2/22/2026 01:10 28.1 / 28.8
-0.7
75 / 72
3
21.2 / 20.9
0.3
8.0 / 8.3
-0.3
W / NW
30.112 / 30.153
-0.041
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
2/22/2026 01:15 27.9 / 28.6
-0.7
74 / 72
2
20.7 / 20.7
0.0
10.0 / 6.7
3.3
W / NW
30.111 / 30.150
-0.039
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
2/22/2026 01:20 27.8 / 28.4
-0.6
75 / 72
3
20.9 / 20.5
0.4
8.0 / 6.5
1.5
W / NW
30.109 / 30.150
-0.041
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
2/22/2026 01:25 27.6 / 28.2
-0.6
75 / 73
2
20.7 / 20.7
0.0
5.0 / 3.4
1.6
W / WNW
30.107 / 30.150
-0.043
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
2/22/2026 01:30 27.5 / 28.0
-0.5
75 / 73
2
20.6 / 20.5
0.1
5.0 / 5.6
-0.6
W / NW
30.104 / 30.150
-0.046
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
2/22/2026 01:35 27.3 / 27.9
-0.6
76 / 74
2
20.7 / 20.6
0.1
4.0 / 4.2
-0.2
W / WNW
30.104 / 30.150
-0.046
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
2/22/2026 01:40 27.2 / 27.7
-0.5
76 / 74
2
20.6 / 20.5
0.1
3.0 / 4.5
-1.5
W / NW
30.107 / 30.147
-0.040
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
2/22/2026 01:45 27.0 / 27.5
-0.5
76 / 75
1
20.4 / 20.6
-0.2
4.0 / 4.5
-0.5
W / WNW
30.102 / 30.147
-0.045
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
2/22/2026 01:50 26.9 / 27.5
-0.6
76 / 75
1
20.3 / 20.6
-0.3
3.0 / 5.4
-2.4
W / NW
30.102 / 30.147
-0.045
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
2/22/2026 01:55 26.8 / 27.3
-0.5
77 / 75
2
20.6 / 20.4
0.2
4.0 / 3.1
0.9
WNW / NW
30.101 / 30.144
-0.043
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
2/22/2026 02:00 26.8 / 27.3
-0.5
76 / 74
2
20.2 / 20.1
0.1
6.0 / 6.3
-0.3
WNW / NW
30.100 / 30.144
-0.044
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
2/22/2026 02:05 26.8 / no data 77 / no data 20.6 / no data 7.0 / no data WNW / no data 30.100 / no data 0.00 / no data 0.00 / no data 0 / no data
2/22/2026 02:10 26.8 / no data 77 / no data 20.6 / no data 5.0 / no data WNW / no data 30.099 / no data 0.00 / no data 0.00 / no data 0 / no data
2/22/2026 02:15 26.8 / no data 77 / no data 20.6 / no data 6.0 / no data WNW / no data 30.098 / no data 0.00 / no data 0.00 / no data 0 / no data
Average Diff --:-- -0.5 1.8 0.0 0.2 --- -0.044 0.00 --- 0

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