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
5/6/2026 00:05 57.4 / 58.3
-0.9
85 / 98
-13
52.9 / 57.7
-4.8
5.0 / 5.4
-0.4
S / SSW
29.630 / 29.734
-0.104
0.01 / 0.00
0.01
0.01 / 0.00
0.01
0 / 0
0
5/6/2026 00:10 57.4 / 58.3
-0.9
85 / 98
-13
52.9 / 57.7
-4.8
4.0 / 2.5
1.5
S / WSW
29.624 / 29.728
-0.104
0.00 / 0.00
0.00
0.01 / 0.00
0.01
0 / 0
0
5/6/2026 00:15 57.3 / 58.3
-1.0
85 / 97
-12
52.8 / 57.4
-4.6
3.0 / 4.0
-1.0
S / SE
29.632 / 29.737
-0.105
0.01 / 0.00
0.01
0.02 / 0.00
0.02
0 / 0
0
5/6/2026 00:20 57.3 / 58.3
-1.0
85 / 97
-12
52.8 / 57.4
-4.6
3.0 / 2.2
0.8
S / SE
29.633 / 29.740
-0.107
0.00 / 0.00
0.00
0.02 / 0.00
0.02
0 / 0
0
5/6/2026 00:25 57.3 / 58.3
-1.0
85 / 97
-12
52.8 / 57.4
-4.6
3.0 / 2.2
0.8
S / SSE
29.633 / 29.734
-0.101
0.01 / 0.00
0.01
0.03 / 0.00
0.03
0 / 0
0
5/6/2026 00:30 57.3 / 58.3
-1.0
85 / 97
-12
52.8 / 57.4
-4.6
4.0 / 4.0
0.0
S / SE
29.633 / 29.734
-0.101
0.00 / 0.00
0.00
0.03 / 0.00
0.03
0 / 0
0
5/6/2026 00:35 57.3 / 58.3
-1.0
85 / 97
-12
52.8 / 57.4
-4.6
5.0 / 2.0
3.0
S / WSW
29.632 / 29.740
-0.108
0.01 / 0.00
0.01
0.04 / 0.00
0.04
0 / 0
0
5/6/2026 00:40 57.3 / 58.3
-1.0
85 / 97
-12
52.8 / 57.4
-4.6
3.0 / 2.7
0.3
S / S
29.634 / 29.737
-0.103
0.01 / 0.00
0.01
0.05 / 0.00
0.05
0 / 0
0
5/6/2026 00:45 57.3 / 58.3
-1.0
85 / 97
-12
52.8 / 57.4
-4.6
3.0 / 4.0
-1.0
S / SW
29.630 / 29.734
-0.104
0.00 / 0.00
0.00
0.05 / 0.00
0.05
0 / 0
0
5/6/2026 00:50 57.3 / 58.3
-1.0
85 / 97
-12
52.8 / 57.4
-4.6
4.0 / 4.0
0.0
S / SSE
29.632 / 29.737
-0.105
0.01 / 0.00
0.01
0.06 / 0.00
0.06
0 / 0
0
5/6/2026 00:55 57.3 / 58.3
-1.0
85 / 97
-12
52.8 / 57.4
-4.6
4.0 / 2.7
1.3
S / SSW
29.636 / 29.740
-0.104
0.00 / 0.00
0.00
0.06 / 0.00
0.06
0 / 0
0
5/6/2026 01:00 57.3 / 58.3
-1.0
85 / 97
-12
52.8 / 57.4
-4.6
3.0 / 1.3
1.7
S / S
29.638 / 29.740
-0.102
0.01 / 0.00
0.01
0.07 / 0.00
0.07
0 / 0
0
5/6/2026 01:05 57.3 / 58.3
-1.0
85 / 97
-12
52.8 / 57.4
-4.6
2.0 / 1.8
0.2
SSW / SSW
29.638 / 29.743
-0.105
0.01 / 0.00
0.01
0.08 / 0.00
0.08
0 / 0
0
5/6/2026 01:10 57.3 / 58.3
-1.0
85 / 97
-12
52.8 / 57.4
-4.6
1.0 / 2.2
-1.2
S / SSW
29.639 / 29.740
-0.101
0.00 / 0.00
0.00
0.08 / 0.00
0.08
0 / 0
0
5/6/2026 01:15 57.3 / 58.1
-0.8
85 / 97
-12
52.8 / 57.3
-4.5
2.0 / 2.5
-0.5
S / SW
29.636 / 29.737
-0.101
0.01 / 0.00
0.01
0.09 / 0.00
0.09
0 / 0
0
Average Diff --:-- -1.0 -12.1 -4.6 0.4 --- -0.104 0.01 --- 0

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