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
2/24/2026 00:05 23.3 / 23.9
-0.6
75 / 73
2
16.5 / 16.5
0.0
4.0 / 3.8
0.2
W / NNW
30.290 / 30.301
-0.011
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
2/24/2026 00:10 23.2 / 23.7
-0.5
75 / 73
2
16.4 / 16.3
0.1
5.0 / 2.9
2.1
WNW / WNW
30.288 / 30.301
-0.013
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
2/24/2026 00:15 23.0 / 23.5
-0.5
75 / 73
2
16.3 / 16.2
0.1
3.0 / 1.8
1.2
W / NW
30.286 / 30.298
-0.012
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
2/24/2026 00:20 22.9 / 23.2
-0.3
75 / 74
1
16.2 / 16.1
0.1
3.0 / 2.9
0.1
WNW / WNW
30.284 / 30.295
-0.011
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
2/24/2026 00:25 22.7 / 23.0
-0.3
75 / 74
1
16.0 / 15.9
0.1
2.0 / 4.5
-2.5
WNW / WNW
30.278 / 30.292
-0.014
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
2/24/2026 00:30 22.6 / 22.8
-0.2
76 / 74
2
16.2 / 15.8
0.4
3.0 / 2.0
1.0
NW / NNW
30.276 / 30.286
-0.010
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
2/24/2026 00:35 22.5 / 22.6
-0.1
76 / 74
2
16.1 / 15.6
0.5
3.0 / 2.5
0.5
W / NW
30.271 / 30.283
-0.012
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
2/24/2026 00:40 22.3 / 22.5
-0.2
76 / 75
1
15.9 / 15.7
0.2
2.0 / 1.3
0.7
WNW / NW
30.269 / 30.280
-0.011
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
2/24/2026 00:45 22.1 / 22.3
-0.2
76 / 75
1
15.7 / 15.6
0.1
2.0 / 1.8
0.2
WNW / WNW
30.266 / 30.280
-0.014
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
2/24/2026 00:50 22.0 / 22.1
-0.1
76 / 75
1
15.6 / 15.4
0.2
1.0 / 1.3
-0.3
WNW / WNW
30.266 / 30.277
-0.011
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
2/24/2026 00:55 21.8 / 21.9
-0.1
76 / 76
0
15.4 / 15.5
-0.1
1.0 / 0.0
1.0
WNW / WNW
30.261 / 30.274
-0.013
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
2/24/2026 01:00 21.6 / 21.6
0.0
76 / 76
0
15.2 / 15.2
0.0
0.0 / 0.0
0.0
WNW / SW
30.258 / 30.271
-0.013
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
2/24/2026 01:05 21.5 / 21.2
0.3
76 / 77
-1
15.1 / 15.1
0.0
0.0 / 0.2
-0.2
--- / WNW
30.256 / 30.268
-0.012
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
2/24/2026 01:10 21.3 / 21.0
0.3
77 / 78
-1
15.2 / 15.2
0.0
0.0 / 0.0
0.0
WNW / WNW
30.256 / 30.268
-0.012
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
2/24/2026 01:15 21.2 / 20.8
0.4
77 / 78
-1
15.1 / 15.1
0.0
1.0 / 0.0
1.0
WNW / WNW
30.256 / 30.268
-0.012
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
2/24/2026 01:20 21.1 / 20.8
0.3
78 / 78
0
15.3 / 15.1
0.2
1.0 / 0.7
0.3
WNW / W
30.253 / 30.265
-0.012
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
2/24/2026 01:25 21.0 / 20.7
0.3
78 / 78
0
15.2 / 14.9
0.3
1.0 / 0.7
0.3
WNW / WSW
30.254 / 30.265
-0.011
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
2/24/2026 01:30 20.9 / 20.7
0.2
78 / 78
0
15.1 / 14.9
0.2
0.0 / 0.0
0.0
WNW / W
30.253 / 30.265
-0.012
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
2/24/2026 01:35 20.7 / 20.5
0.2
78 / 79
-1
14.9 / 15.0
-0.1
0.0 / 0.2
-0.2
--- / W
30.252 / 30.265
-0.013
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
2/24/2026 01:40 20.6 / 20.3
0.3
78 / 80
-2
14.8 / 15.1
-0.3
0.0 / 0.0
0.0
WNW / WSW
30.253 / 30.265
-0.012
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
2/24/2026 01:45 20.5 / 20.1
0.4
79 / 81
-2
15.0 / 15.2
-0.2
0.0 / 1.1
-1.1
--- / SW
30.252 / 30.265
-0.013
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
2/24/2026 01:50 20.4 / 20.1
0.3
79 / 80
-1
14.9 / 14.9
0.0
0.0 / 0.0
0.0
--- / WNW
30.253 / 30.265
-0.012
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
2/24/2026 01:55 20.3 / 19.9
0.4
79 / 81
-2
14.8 / 15.0
-0.2
0.0 / 0.0
0.0
--- / SW
30.251 / 30.265
-0.014
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
2/24/2026 02:00 20.2 / 19.8
0.4
79 / 82
-3
14.7 / 15.2
-0.5
0.0 / 0.2
-0.2
--- / WNW
30.253 / 30.265
-0.012
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
2/24/2026 02:05 20.2 / 19.4
0.8
79 / 81
-2
14.7 / 14.5
0.2
0.0 / 0.0
0.0
--- / NW
30.253 / 30.265
-0.012
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
2/24/2026 02:10 20.1 / 19.2
0.9
79 / 81
-2
14.6 / 14.3
0.3
0.0 / 0.0
0.0
--- / WNW
30.253 / 30.265
-0.012
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
2/24/2026 02:15 20.1 / 19.0
1.1
79 / 81
-2
14.6 / 14.2
0.4
0.0 / 0.0
0.0
--- / NW
30.252 / 30.265
-0.013
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
2/24/2026 02:20 20.0 / 18.9
1.1
79 / 82
-3
14.5 / 14.3
0.2
0.0 / 0.0
0.0
--- / NW
30.249 / 30.259
-0.010
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
2/24/2026 02:25 20.0 / 18.5
1.5
80 / 82
-2
14.8 / 13.9
0.9
0.0 / 0.0
0.0
--- / NNE
30.247 / 30.256
-0.009
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
2/24/2026 02:30 20.0 / 18.3
1.7
80 / 82
-2
14.8 / 13.7
1.1
0.0 / 0.0
0.0
--- / NNE
30.243 / 30.253
-0.010
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
2/24/2026 02:35 20.0 / 18.1
1.9
80 / 83
-3
14.8 / 13.8
1.0
0.0 / 0.0
0.0
--- / SW
30.241 / 30.253
-0.012
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
2/24/2026 02:40 20.1 / 18.0
2.1
80 / 84
-4
14.9 / 13.9
1.0
0.0 / 0.0
0.0
--- / SW
30.237 / 30.251
-0.014
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
2/24/2026 02:45 20.1 / 17.8
2.3
80 / 84
-4
14.9 / 13.8
1.1
0.0 / 0.0
0.0
--- / SW
30.235 / 30.248
-0.013
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
2/24/2026 02:50 19.9 / 17.6
2.3
80 / 86
-6
14.7 / 14.1
0.6
0.0 / 0.0
0.0
--- / SSW
30.236 / 30.251
-0.015
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
2/24/2026 02:55 19.9 / 17.8
2.1
80 / 87
-7
14.7 / 14.6
0.1
0.0 / 0.0
0.0
--- / ESE
30.235 / 30.251
-0.016
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
2/24/2026 03:00 19.8 / 17.6
2.2
80 / 87
-7
14.6 / 14.4
0.2
0.0 / 0.0
0.0
--- / ESE
30.234 / 30.248
-0.014
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
2/24/2026 03:05 19.7 / 17.8
1.9
80 / 87
-7
14.5 / 14.6
-0.1
0.0 / 0.0
0.0
--- / WNW
30.234 / 30.248
-0.014
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
2/24/2026 03:10 19.6 / 18.1
1.5
80 / 85
-5
14.4 / 14.4
0.0
0.0 / 0.4
-0.4
--- / W
30.234 / 30.248
-0.014
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
2/24/2026 03:15 19.5 / 18.5
1.0
80 / 84
-4
14.3 / 14.5
-0.2
0.0 / 0.4
-0.4
--- / W
30.232 / 30.245
-0.013
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
2/24/2026 03:20 19.4 / 18.5
0.9
81 / 83
-2
14.5 / 14.2
0.3
0.0 / 0.0
0.0
--- / W
30.228 / 30.242
-0.014
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
2/24/2026 03:25 19.3 / 18.7
0.6
81 / 83
-2
14.4 / 14.4
0.0
0.0 / 1.3
-1.3
--- / WNW
30.226 / 30.239
-0.013
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
2/24/2026 03:30 19.2 / 18.9
0.3
81 / 83
-2
14.3 / 14.6
-0.3
0.0 / 0.2
-0.2
--- / WSW
30.222 / 30.236
-0.014
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
2/24/2026 03:35 19.0 / 18.7
0.3
81 / 84
-3
14.1 / 14.6
-0.5
0.0 / 1.6
-1.6
--- / SW
30.218 / 30.230
-0.012
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
2/24/2026 03:40 18.8 / 18.5
0.3
82 / 85
-3
14.2 / 14.7
-0.5
0.0 / 0.4
-0.4
--- / SW
30.215 / 30.227
-0.012
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
2/24/2026 03:45 18.6 / 18.3
0.3
82 / 85
-3
14.0 / 14.6
-0.6
0.0 / 1.3
-1.3
--- / SSW
30.207 / 30.224
-0.017
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
2/24/2026 03:50 18.4 / 18.1
0.3
82 / 86
-4
13.8 / 14.7
-0.9
0.0 / 1.6
-1.6
--- / SW
30.208 / 30.224
-0.016
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
2/24/2026 03:55 18.3 / 18.1
0.2
82 / 86
-4
13.7 / 14.7
-1.0
0.0 / 1.3
-1.3
--- / SSW
30.208 / 30.221
-0.013
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
2/24/2026 04:00 18.2 / 18.1
0.1
82 / 86
-4
13.6 / 14.7
-1.1
0.0 / 1.8
-1.8
--- / SSW
30.207 / 30.221
-0.014
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
2/24/2026 04:05 18.1 / 18.0
0.1
82 / 86
-4
13.5 / 14.5
-1.0
0.0 / 0.4
-0.4
--- / SW
30.206 / 30.221
-0.015
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
2/24/2026 04:10 18.0 / 18.0
0.0
82 / 86
-4
13.4 / 14.5
-1.1
0.0 / 0.9
-0.9
--- / SSW
30.206 / 30.221
-0.015
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
2/24/2026 04:15 18.0 / 18.0
0.0
83 / 86
-3
13.7 / 14.5
-0.8
0.0 / 0.7
-0.7
--- / SSW
30.204 / 30.218
-0.014
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
2/24/2026 04:20 17.8 / 17.8
0.0
82 / 86
-4
13.2 / 14.3
-1.1
0.0 / 0.0
0.0
--- / WNW
30.203 / 30.218
-0.015
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
2/24/2026 04:25 17.8 / 17.8
0.0
82 / 86
-4
13.2 / 14.3
-1.1
0.0 / 0.0
0.0
--- / WNW
30.207 / 30.221
-0.014
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
2/24/2026 04:30 17.8 / 17.8
0.0
83 / 86
-3
13.5 / 14.3
-0.8
0.0 / 0.2
-0.2
--- / WSW
30.207 / 30.221
-0.014
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
2/24/2026 04:35 17.9 / 17.8
0.1
83 / 86
-3
13.6 / 14.3
-0.7
0.0 / 0.2
-0.2
--- / SW
30.204 / 30.218
-0.014
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
2/24/2026 04:40 17.9 / 17.8
0.1
83 / 87
-4
13.6 / 14.6
-1.0
0.0 / 1.3
-1.3
--- / SSW
30.203 / 30.218
-0.015
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
2/24/2026 04:45 17.8 / 17.8
0.0
82 / 87
-5
13.2 / 14.6
-1.4
0.0 / 0.7
-0.7
--- / SSW
30.206 / 30.221
-0.015
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
2/24/2026 04:50 17.7 / 17.6
0.1
82 / 87
-5
13.1 / 14.4
-1.3
0.0 / 0.9
-0.9
--- / SW
30.209 / 30.224
-0.015
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
2/24/2026 04:55 17.7 / 17.6
0.1
83 / 88
-5
13.4 / 14.7
-1.3
0.0 / 0.0
0.0
--- / SSW
30.208 / 30.224
-0.016
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
2/24/2026 05:00 17.8 / 17.6
0.2
83 / 88
-5
13.5 / 14.7
-1.2
0.0 / 0.4
-0.4
--- / SW
30.209 / 30.224
-0.015
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
2/24/2026 05:05 17.8 / 17.6
0.2
83 / 87
-4
13.5 / 14.4
-0.9
0.0 / 0.2
-0.2
--- / SSW
30.206 / 30.221
-0.015
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
2/24/2026 05:10 17.8 / 17.6
0.2
83 / 88
-5
13.5 / 14.7
-1.2
0.0 / 0.0
0.0
--- / S
30.205 / 30.218
-0.013
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
2/24/2026 05:15 17.8 / 17.4
0.4
83 / 88
-5
13.5 / 14.5
-1.0
0.0 / 0.7
-0.7
--- / SW
30.206 / 30.221
-0.015
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
2/24/2026 05:20 17.9 / 17.4
0.5
83 / 88
-5
13.6 / 14.5
-0.9
0.0 / 0.0
0.0
--- / W
30.208 / 30.221
-0.013
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
2/24/2026 05:25 17.9 / 17.2
0.7
83 / 88
-5
13.6 / 14.3
-0.7
0.0 / 0.0
0.0
--- / W
30.205 / 30.218
-0.013
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
2/24/2026 05:30 18.0 / 17.1
0.9
83 / 88
-5
13.7 / 14.1
-0.4
0.0 / 0.0
0.0
--- / E
30.204 / 30.218
-0.014
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
2/24/2026 05:35 18.0 / 17.1
0.9
83 / 88
-5
13.7 / 14.1
-0.4
0.0 / 0.2
-0.2
--- / ENE
30.197 / 30.212
-0.015
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
2/24/2026 05:40 18.0 / 17.1
0.9
83 / 88
-5
13.7 / 14.1
-0.4
0.0 / 0.4
-0.4
--- / SSW
30.196 / 30.209
-0.013
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
2/24/2026 05:45 18.0 / 17.1
0.9
83 / 88
-5
13.7 / 14.1
-0.4
0.0 / 0.4
-0.4
--- / SSW
30.193 / 30.206
-0.013
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
2/24/2026 05:50 18.0 / 17.2
0.8
83 / 88
-5
13.7 / 14.3
-0.6
0.0 / 0.4
-0.4
--- / S
30.193 / 30.206
-0.013
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
2/24/2026 05:55 17.9 / 17.2
0.7
83 / 88
-5
13.6 / 14.3
-0.7
0.0 / 0.7
-0.7
--- / SSE
30.190 / 30.203
-0.013
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
2/24/2026 06:00 17.9 / 17.2
0.7
82 / 88
-6
13.3 / 14.3
-1.0
0.0 / 1.8
-1.8
--- / SW
30.187 / 30.203
-0.016
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
2/24/2026 06:05 17.8 / 17.4
0.4
82 / 87
-5
13.2 / 14.2
-1.0
0.0 / 0.7
-0.7
--- / SSW
30.190 / 30.203
-0.013
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
2/24/2026 06:10 17.7 / 17.6
0.1
83 / 87
-4
13.4 / 14.4
-1.0
0.0 / 0.0
0.0
--- / SSW
30.191 / 30.206
-0.015
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
2/24/2026 06:15 17.8 / 17.6
0.2
83 / 88
-5
13.5 / 14.7
-1.2
0.0 / 1.3
-1.3
--- / SW
30.192 / 30.206
-0.014
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
Average Diff --:-- 0.5 -2.8 -0.3 -0.2 --- -0.013 0.00 --- 0

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