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
3/7/2026 00:05 68.5 / 69.6
-1.1
72 / 68
4
59.1 / 58.6
0.5
5.0 / 4.7
0.3
SSE / SSW
29.941 / 30.062
-0.121
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
3/7/2026 00:10 68.4 / 69.4
-1.0
72 / 69
3
59.0 / 58.8
0.2
5.0 / 3.8
1.2
SSE / SSW
29.943 / 30.062
-0.119
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
3/7/2026 00:15 68.2 / 69.3
-1.1
72 / 69
3
58.8 / 58.7
0.1
5.0 / 4.5
0.5
S / S
29.945 / 30.062
-0.117
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
3/7/2026 00:20 68.1 / 69.3
-1.2
73 / 70
3
59.1 / 59.1
0.0
5.0 / 3.4
1.6
SSE / SSW
29.944 / 30.062
-0.118
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
3/7/2026 00:25 68.0 / 69.1
-1.1
73 / 70
3
59.0 / 58.9
0.1
5.0 / 2.9
2.1
SSE / SSW
29.942 / 30.062
-0.120
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
3/7/2026 00:30 67.9 / 68.9
-1.0
73 / 70
3
58.9 / 58.7
0.2
4.0 / 4.0
0.0
S / SW
29.939 / 30.056
-0.117
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
3/7/2026 00:35 67.7 / 68.7
-1.0
73 / 70
3
58.7 / 58.5
0.2
4.0 / 3.4
0.6
S / SSW
29.937 / 30.053
-0.116
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
3/7/2026 00:40 67.5 / 68.7
-1.2
73 / 70
3
58.5 / 58.5
0.0
5.0 / 5.4
-0.4
S / SSW
29.933 / 30.050
-0.117
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
3/7/2026 00:45 67.4 / 68.5
-1.1
73 / 70
3
58.4 / 58.4
0.0
5.0 / 3.6
1.4
SSE / SSW
29.930 / 30.047
-0.117
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
3/7/2026 00:50 67.2 / 68.4
-1.2
74 / 71
3
58.6 / 58.6
0.0
4.0 / 3.8
0.2
S / SSW
29.928 / 30.050
-0.122
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
3/7/2026 00:55 67.1 / 68.4
-1.3
74 / 71
3
58.5 / 58.6
-0.1
4.0 / 4.5
-0.5
SSE / SSW
29.927 / 30.047
-0.120
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
3/7/2026 01:00 67.2 / 68.4
-1.2
74 / 71
3
58.6 / 58.6
0.0
5.0 / 4.0
1.0
S / SW
29.930 / 30.050
-0.120
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
3/7/2026 01:05 67.2 / 68.4
-1.2
75 / 71
4
59.0 / 58.6
0.4
4.0 / 4.0
0.0
S / WSW
29.931 / 30.047
-0.116
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
3/7/2026 01:10 67.1 / 68.2
-1.1
75 / 72
3
58.9 / 58.8
0.1
4.0 / 4.0
0.0
S / SSE
29.930 / 30.047
-0.117
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
3/7/2026 01:15 67.1 / 68.2
-1.1
75 / 72
3
58.9 / 58.8
0.1
4.0 / 4.0
0.0
S / SSW
29.925 / 30.047
-0.122
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
3/7/2026 01:20 67.1 / 68.2
-1.1
75 / 72
3
58.9 / 58.8
0.1
5.0 / 4.2
0.8
SSE / SSW
29.926 / 30.044
-0.118
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
3/7/2026 01:25 67.0 / 68.0
-1.0
75 / 73
2
58.8 / 59.0
-0.2
5.0 / 4.2
0.8
SSE / S
29.925 / 30.044
-0.119
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
3/7/2026 01:30 66.8 / 67.8
-1.0
75 / 73
2
58.6 / 58.8
-0.2
4.0 / 4.0
0.0
SSE / SSW
29.924 / 30.044
-0.120
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
3/7/2026 01:35 66.7 / 67.6
-0.9
76 / 74
2
58.9 / 59.1
-0.2
5.0 / 3.6
1.4
SSE / SSW
29.927 / 30.047
-0.120
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
3/7/2026 01:40 66.6 / 67.6
-1.0
76 / 74
2
58.8 / 59.1
-0.3
4.0 / 3.4
0.6
SSE / SSW
29.928 / 30.047
-0.119
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
3/7/2026 01:45 66.4 / 67.5
-1.1
76 / 74
2
58.6 / 58.9
-0.3
4.0 / 3.8
0.2
SSE / SSW
29.930 / 30.050
-0.120
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
3/7/2026 01:50 66.2 / 67.3
-1.1
76 / 74
2
58.4 / 58.7
-0.3
4.0 / 2.9
1.1
SSE / S
29.932 / 30.053
-0.121
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
3/7/2026 01:55 66.2 / 67.1
-0.9
77 / 75
2
58.8 / 58.9
-0.1
4.0 / 2.5
1.5
SSE / SSE
29.932 / 30.050
-0.118
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
3/7/2026 02:00 66.1 / 67.1
-1.0
77 / 75
2
58.7 / 58.9
-0.2
4.0 / 2.5
1.5
SSE / S
29.933 / 30.053
-0.120
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
3/7/2026 02:05 66.0 / 66.9
-0.9
77 / 75
2
58.6 / 58.7
-0.1
3.0 / 2.5
0.5
SSE / SW
29.930 / 30.050
-0.120
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
3/7/2026 02:10 65.8 / 66.7
-0.9
77 / 76
1
58.4 / 58.9
-0.5
2.0 / 2.5
-0.5
SSE / SSE
29.929 / 30.050
-0.121
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
3/7/2026 02:15 65.7 / 66.6
-0.9
77 / 76
1
58.3 / 58.8
-0.5
3.0 / 2.2
0.8
SSE / S
29.930 / 30.050
-0.120
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
3/7/2026 02:20 65.5 / 66.6
-1.1
77 / 76
1
58.1 / 58.8
-0.7
2.0 / 3.1
-1.1
SSE / S
29.928 / 30.050
-0.122
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
3/7/2026 02:25 65.5 / 66.4
-0.9
77 / 76
1
58.1 / 58.6
-0.5
3.0 / 3.1
-0.1
SSE / SSE
29.926 / 30.047
-0.121
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
3/7/2026 02:30 65.4 / 66.4
-1.0
77 / 76
1
58.0 / 58.6
-0.6
3.0 / 2.7
0.3
SSE / SSW
29.923 / 30.041
-0.118
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
3/7/2026 02:35 65.3 / 66.4
-1.1
77 / 76
1
57.9 / 58.6
-0.7
3.0 / 2.7
0.3
SSE / SSE
29.921 / 30.038
-0.117
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
3/7/2026 02:40 65.2 / 66.4
-1.2
78 / 76
2
58.2 / 58.6
-0.4
2.0 / 3.4
-1.4
SSE / SSW
29.918 / 30.038
-0.120
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
3/7/2026 02:45 65.1 / 66.2
-1.1
78 / 76
2
58.1 / 58.4
-0.3
2.0 / 3.8
-1.8
SSE / S
29.916 / 30.038
-0.122
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
3/7/2026 02:50 65.0 / 66.2
-1.2
78 / 76
2
58.0 / 58.4
-0.4
3.0 / 4.9
-1.9
S / SW
29.917 / 30.038
-0.121
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
3/7/2026 02:55 65.0 / 66.2
-1.2
78 / 76
2
58.0 / 58.4
-0.4
3.0 / 2.9
0.1
SSE / SW
29.914 / 30.035
-0.121
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
3/7/2026 03:00 64.9 / 66.0
-1.1
78 / 77
1
57.9 / 58.6
-0.7
3.0 / 2.9
0.1
SSE / S
29.912 / 30.032
-0.120
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
3/7/2026 03:05 64.9 / 66.0
-1.1
78 / 77
1
57.9 / 58.6
-0.7
3.0 / 3.1
-0.1
S / SSW
29.911 / 30.032
-0.121
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
3/7/2026 03:10 64.9 / 65.8
-0.9
78 / 77
1
57.9 / 58.4
-0.5
4.0 / 4.0
0.0
S / SSW
29.911 / 30.029
-0.118
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
3/7/2026 03:15 64.9 / 65.8
-0.9
78 / 77
1
57.9 / 58.4
-0.5
4.0 / 2.7
1.3
S / S
29.908 / 30.026
-0.118
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
3/7/2026 03:20 64.8 / 65.8
-1.0
78 / 78
0
57.8 / 58.8
-1.0
3.0 / 4.0
-1.0
SSE / SSW
29.905 / 30.023
-0.118
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
3/7/2026 03:25 64.7 / 65.7
-1.0
78 / 78
0
57.7 / 58.6
-0.9
3.0 / 3.4
-0.4
SSE / SSW
29.902 / 30.023
-0.121
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
3/7/2026 03:30 64.7 / 65.7
-1.0
78 / 78
0
57.7 / 58.6
-0.9
3.0 / 2.7
0.3
SSE / S
29.899 / 30.017
-0.118
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
3/7/2026 03:35 64.7 / 65.7
-1.0
78 / 78
0
57.7 / 58.6
-0.9
4.0 / 3.1
0.9
S / SSW
29.898 / 30.017
-0.119
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
3/7/2026 03:40 64.7 / 65.7
-1.0
78 / 78
0
57.7 / 58.6
-0.9
5.0 / 4.2
0.8
SSE / SSW
29.896 / 30.017
-0.121
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
3/7/2026 03:45 64.7 / 65.7
-1.0
78 / 79
-1
57.7 / 59.0
-1.3
4.0 / 4.0
0.0
S / S
29.895 / 30.017
-0.122
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
3/7/2026 03:50 64.6 / 65.7
-1.1
78 / 79
-1
57.6 / 59.0
-1.4
3.0 / 3.6
-0.6
SSE / SW
29.895 / 30.014
-0.119
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
3/7/2026 03:55 64.6 / 65.7
-1.1
78 / 79
-1
57.6 / 59.0
-1.4
4.0 / 3.1
0.9
S / S
29.893 / 30.014
-0.121
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
3/7/2026 04:00 64.7 / 65.8
-1.1
78 / 79
-1
57.7 / 59.1
-1.4
5.0 / 4.2
0.8
SSE / SSW
29.891 / 30.011
-0.120
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
3/7/2026 04:05 64.7 / 65.7
-1.0
78 / 79
-1
57.7 / 59.0
-1.3
4.0 / 3.6
0.4
SSE / S
29.891 / 30.008
-0.117
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
3/7/2026 04:10 64.7 / 65.7
-1.0
78 / 79
-1
57.7 / 59.0
-1.3
4.0 / 4.9
-0.9
SSE / SSW
29.888 / 30.008
-0.120
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
3/7/2026 04:15 64.7 / 65.7
-1.0
78 / 80
-2
57.7 / 59.3
-1.6
4.0 / 4.0
0.0
S / S
29.887 / 30.008
-0.121
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
Average Diff --:-- -1.1 1.5 -0.4 0.3 --- -0.119 0.00 --- 0

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