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
4/3/2026 00:05 72.8 / 73.9
-1.1
62 / 60
2
59.0 / 59.2
-0.2
6.0 / 2.7
3.3
SSE / SW
29.904 / 30.008
-0.104
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
4/3/2026 00:10 72.6 / 73.8
-1.2
62 / 59
3
58.8 / 58.5
0.3
5.0 / 5.4
-0.4
SSE / SSW
29.903 / 30.008
-0.105
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
4/3/2026 00:15 72.6 / 73.8
-1.2
62 / 59
3
58.8 / 58.5
0.3
6.0 / 5.4
0.6
SSE / SSW
29.902 / 30.005
-0.103
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
4/3/2026 00:20 72.6 / 73.8
-1.2
62 / 59
3
58.8 / 58.5
0.3
6.0 / 4.2
1.8
SSE / S
29.900 / 30.005
-0.105
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
4/3/2026 00:25 72.5 / 73.8
-1.3
62 / 60
2
58.7 / 59.0
-0.3
4.0 / 3.6
0.4
SSE / SSE
29.899 / 30.005
-0.106
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
4/3/2026 00:30 72.4 / 73.6
-1.2
63 / 59
4
59.1 / 58.4
0.7
6.0 / 6.3
-0.3
SSE / SSW
29.901 / 30.008
-0.107
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
4/3/2026 00:35 72.4 / 73.6
-1.2
63 / 60
3
59.1 / 58.8
0.3
6.0 / 3.6
2.4
SSE / SW
29.903 / 30.011
-0.108
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
4/3/2026 00:40 72.2 / 73.4
-1.2
63 / 60
3
58.9 / 58.7
0.2
5.0 / 3.8
1.2
SSE / SSW
29.906 / 30.011
-0.105
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
4/3/2026 00:45 72.1 / 73.2
-1.1
63 / 60
3
58.8 / 58.5
0.3
5.0 / 4.2
0.8
S / S
29.906 / 30.014
-0.108
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
4/3/2026 00:50 72.0 / 73.2
-1.2
64 / 61
3
59.2 / 59.0
0.2
5.0 / 3.6
1.4
SSE / S
29.906 / 30.014
-0.108
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
4/3/2026 00:55 72.0 / 73.0
-1.0
64 / 61
3
59.2 / 58.8
0.4
5.0 / 2.9
2.1
SSE / SSW
29.908 / 30.017
-0.109
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
4/3/2026 01:00 71.8 / 72.9
-1.1
64 / 61
3
59.0 / 58.6
0.4
4.0 / 5.4
-1.4
S / SW
29.910 / 30.014
-0.104
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
4/3/2026 01:05 71.7 / 72.9
-1.2
65 / 61
4
59.3 / 58.6
0.7
6.0 / 4.7
1.3
S / S
29.911 / 30.017
-0.106
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
4/3/2026 01:10 71.7 / 72.9
-1.2
64 / 61
3
58.9 / 58.6
0.3
5.0 / 4.9
0.1
S / SSE
29.914 / 30.020
-0.106
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
4/3/2026 01:15 71.8 / 73.0
-1.2
64 / 61
3
59.0 / 58.8
0.2
6.0 / 4.9
1.1
S / SSW
29.915 / 30.023
-0.108
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
4/3/2026 01:20 71.7 / 72.9
-1.2
65 / 62
3
59.3 / 59.1
0.2
5.0 / 3.4
1.6
SSE / SSW
29.918 / 30.026
-0.108
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
4/3/2026 01:25 71.7 / 73.0
-1.3
65 / 61
4
59.3 / 58.8
0.5
6.0 / 4.5
1.5
S / S
29.919 / 30.026
-0.107
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
4/3/2026 01:30 71.9 / 73.0
-1.1
65 / 61
4
59.5 / 58.8
0.7
7.0 / 7.6
-0.6
SSE / SSW
29.920 / 30.029
-0.109
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
4/3/2026 01:35 72.0 / 73.2
-1.2
64 / 61
3
59.2 / 59.0
0.2
7.0 / 4.9
2.1
SSE / SSW
29.924 / 30.035
-0.111
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
4/3/2026 01:40 72.0 / 73.2
-1.2
65 / 62
3
59.6 / 59.4
0.2
6.0 / 3.8
2.2
S / SW
29.930 / 30.035
-0.105
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
4/3/2026 01:45 71.8 / 72.9
-1.1
66 / 62
4
59.8 / 59.1
0.7
6.0 / 4.5
1.5
S / SW
29.930 / 30.035
-0.105
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
4/3/2026 01:50 71.7 / 72.9
-1.2
65 / 62
3
59.3 / 59.1
0.2
8.0 / 6.7
1.3
S / W
29.932 / 30.041
-0.109
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
4/3/2026 01:55 71.7 / 72.9
-1.2
65 / 63
2
59.3 / 59.5
-0.2
9.0 / 9.4
-0.4
SSW / S
29.934 / 30.044
-0.110
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
4/3/2026 02:00 71.5 / 72.7
-1.2
66 / 64
2
59.5 / 59.8
-0.3
10.0 / 4.7
5.3
S / SW
29.934 / 30.041
-0.107
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
4/3/2026 02:05 70.8 / 72.0
-1.2
68 / 66
2
59.7 / 60.0
-0.3
7.0 / 5.4
1.6
SSW / SSW
29.935 / 30.044
-0.109
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
4/3/2026 02:10 70.6 / 71.8
-1.2
69 / 66
3
59.9 / 59.8
0.1
7.0 / 4.7
2.3
S / SW
29.935 / 30.041
-0.106
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
4/3/2026 02:15 70.4 / 71.6
-1.2
69 / 66
3
59.7 / 59.6
0.1
6.0 / 6.7
-0.7
S / W
29.936 / 30.044
-0.108
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
Average Diff --:-- -1.2 3.0 0.2 1.2 --- -0.107 0.00 --- 0

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