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
3/22/2026 00:05 64.0 / 64.8
-0.8
55 / 52
3
47.5 / 46.7
0.8
2.0 / 1.6
0.4
SSW / SW
29.746 / 29.855
-0.109
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
3/22/2026 00:10 63.8 / 64.8
-1.0
55 / 52
3
47.3 / 46.7
0.6
2.0 / 2.2
-0.2
SSE / SSE
29.747 / 29.855
-0.108
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
3/22/2026 00:15 63.8 / 64.8
-1.0
55 / 52
3
47.3 / 46.7
0.6
2.0 / 1.6
0.4
S / SSW
29.746 / 29.855
-0.109
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
3/22/2026 00:20 63.6 / 64.4
-0.8
56 / 53
3
47.6 / 46.9
0.7
2.0 / 2.7
-0.7
S / S
29.743 / 29.855
-0.112
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
3/22/2026 00:25 63.5 / 64.4
-0.9
56 / 53
3
47.5 / 46.9
0.6
2.0 / 1.3
0.7
SSE / S
29.745 / 29.852
-0.107
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
3/22/2026 00:30 63.4 / 64.2
-0.8
57 / 54
3
47.9 / 47.2
0.7
2.0 / 1.8
0.2
S / SSW
29.743 / 29.852
-0.109
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
3/22/2026 00:35 63.4 / 64.0
-0.6
57 / 54
3
47.9 / 47.1
0.8
2.0 / 1.6
0.4
S / SSW
29.743 / 29.852
-0.109
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
3/22/2026 00:40 63.4 / 64.0
-0.6
57 / 54
3
47.9 / 47.1
0.8
2.0 / 1.8
0.2
SSE / SSW
29.743 / 29.852
-0.109
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
3/22/2026 00:45 63.2 / 64.0
-0.8
58 / 54
4
48.2 / 47.1
1.1
2.0 / 1.8
0.2
S / SW
29.741 / 29.852
-0.111
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
3/22/2026 00:50 63.0 / 64.2
-1.2
59 / 55
4
48.4 / 47.7
0.7
2.0 / 2.5
-0.5
SSE / S
29.741 / 29.852
-0.111
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
3/22/2026 00:55 62.9 / 63.9
-1.0
59 / 57
2
48.3 / 48.3
0.0
2.0 / 2.5
-0.5
S / SW
29.741 / 29.849
-0.108
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
3/22/2026 01:00 62.8 / 63.7
-0.9
60 / 56
4
48.7 / 47.7
1.0
2.0 / 1.1
0.9
S / S
29.738 / 29.849
-0.111
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
3/22/2026 01:05 62.8 / 63.7
-0.9
60 / 57
3
48.7 / 48.2
0.5
1.0 / 1.1
-0.1
S / SSW
29.738 / 29.849
-0.111
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
3/22/2026 01:10 62.6 / 63.5
-0.9
61 / 58
3
49.0 / 48.5
0.5
2.0 / 0.4
1.6
SSE / SSW
29.737 / 29.846
-0.109
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
3/22/2026 01:15 62.6 / 63.3
-0.7
62 / 58
4
49.4 / 48.3
1.1
2.0 / 0.9
1.1
SSE / SSW
29.734 / 29.846
-0.112
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
3/22/2026 01:20 62.4 / 63.0
-0.6
62 / 60
2
49.2 / 48.9
0.3
1.0 / 2.5
-1.5
SSE / S
29.733 / 29.843
-0.110
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
3/22/2026 01:25 62.3 / 62.8
-0.5
62 / 60
2
49.1 / 48.7
0.4
2.0 / 1.6
0.4
S / SW
29.732 / 29.843
-0.111
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
3/22/2026 01:30 62.1 / 62.4
-0.3
63 / 61
2
49.4 / 48.8
0.6
1.0 / 0.9
0.1
S / W
29.733 / 29.843
-0.110
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
3/22/2026 01:35 61.9 / 62.2
-0.3
64 / 62
2
49.6 / 49.1
0.5
2.0 / 3.1
-1.1
S / S
29.734 / 29.843
-0.109
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
3/22/2026 01:40 61.8 / 62.4
-0.6
65 / 61
4
49.9 / 48.8
1.1
2.0 / 1.1
0.9
SSE / SSW
29.732 / 29.843
-0.111
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
3/22/2026 01:45 61.6 / 62.2
-0.6
65 / 63
2
49.7 / 49.5
0.2
2.0 / 1.8
0.2
SSE / SW
29.731 / 29.843
-0.112
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
3/22/2026 01:50 61.5 / 62.1
-0.6
66 / 63
3
50.0 / 49.3
0.7
2.0 / 2.5
-0.5
SSE / S
29.730 / 29.840
-0.110
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
3/22/2026 01:55 61.5 / 62.2
-0.7
67 / 63
4
50.4 / 49.5
0.9
2.0 / 2.2
-0.2
S / SSW
29.728 / 29.837
-0.109
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
3/22/2026 02:00 61.6 / 62.4
-0.8
67 / 64
3
50.5 / 50.1
0.4
2.0 / 2.7
-0.7
SSE / SSW
29.726 / 29.837
-0.111
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
3/22/2026 02:05 61.6 / 62.4
-0.8
68 / 65
3
50.9 / 50.5
0.4
2.0 / 1.3
0.7
S / SSW
29.725 / 29.837
-0.112
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
3/22/2026 02:10 61.4 / 62.2
-0.8
69 / 66
3
51.1 / 50.7
0.4
2.0 / 1.8
0.2
SSW / S
29.726 / 29.837
-0.111
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
3/22/2026 02:15 61.4 / 61.9
-0.5
69 / 66
3
51.1 / 50.4
0.7
2.0 / 0.9
1.1
SSE / SSW
29.725 / 29.837
-0.112
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
3/22/2026 02:20 61.4 / 61.5
-0.1
69 / 68
1
51.1 / 50.9
0.2
2.0 / 0.7
1.3
SSE / SSW
29.725 / 29.837
-0.112
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
3/22/2026 02:25 61.2 / 61.3
-0.1
70 / 68
2
51.3 / 50.7
0.6
2.0 / 0.7
1.3
SSE / SSW
29.724 / 29.834
-0.110
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
3/22/2026 02:30 61.1 / 61.0
0.1
71 / 70
1
51.6 / 51.1
0.5
2.0 / 1.6
0.4
SSE / S
29.723 / 29.834
-0.111
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
3/22/2026 02:35 61.1 / 61.0
0.1
72 / 70
2
52.0 / 51.1
0.9
2.0 / 1.8
0.2
S / S
29.720 / 29.831
-0.111
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
3/22/2026 02:40 61.1 / 61.2
-0.1
72 / 71
1
52.0 / 51.7
0.3
2.0 / 2.5
-0.5
S / SSW
29.719 / 29.831
-0.112
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
3/22/2026 02:45 61.0 / 61.2
-0.2
73 / 71
2
52.3 / 51.7
0.6
2.0 / 2.2
-0.2
S / SSW
29.717 / 29.828
-0.111
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
3/22/2026 02:50 61.0 / 61.5
-0.5
73 / 71
2
52.3 / 52.0
0.3
2.0 / 2.5
-0.5
SSE / SW
29.714 / 29.825
-0.111
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
3/22/2026 02:55 60.9 / 61.9
-1.0
74 / 71
3
52.6 / 52.4
0.2
2.0 / 3.1
-1.1
SSW / SSW
29.713 / 29.825
-0.112
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
3/22/2026 03:00 61.0 / 61.9
-0.9
74 / 72
2
52.7 / 52.8
-0.1
2.0 / 2.5
-0.5
SSE / SSW
29.711 / 29.822
-0.111
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
3/22/2026 03:05 61.0 / 61.7
-0.7
74 / 72
2
52.7 / 52.6
0.1
2.0 / 2.5
-0.5
S / SSW
29.711 / 29.822
-0.111
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
3/22/2026 03:10 61.1 / 61.7
-0.6
74 / 72
2
52.7 / 52.6
0.1
3.0 / 2.5
0.5
S / S
29.709 / 29.819
-0.110
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
3/22/2026 03:15 61.1 / 61.7
-0.6
74 / 72
2
52.7 / 52.6
0.1
3.0 / 2.5
0.5
SSE / SSW
29.706 / 29.819
-0.113
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
3/22/2026 03:20 61.1 / 61.9
-0.8
74 / 72
2
52.7 / 52.8
-0.1
3.0 / 3.1
-0.1
SSE / SSW
29.705 / 29.816
-0.111
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
3/22/2026 03:25 61.1 / 61.7
-0.6
75 / 73
2
53.1 / 53.0
0.1
3.0 / 2.9
0.1
SSE / SSW
29.701 / 29.816
-0.115
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
3/22/2026 03:30 60.9 / 61.5
-0.6
75 / 73
2
52.9 / 52.8
0.1
2.0 / 3.1
-1.1
SSE / SSW
29.699 / 29.811
-0.112
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
3/22/2026 03:35 60.9 / 61.5
-0.6
75 / 73
2
52.9 / 52.8
0.1
2.0 / 3.1
-1.1
SSE / SSW
29.697 / 29.811
-0.114
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
3/22/2026 03:40 60.8 / 61.5
-0.7
75 / 73
2
52.8 / 52.8
0.0
2.0 / 2.9
-0.9
SSE / SSW
29.696 / 29.811
-0.115
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
3/22/2026 03:45 60.7 / 61.5
-0.8
75 / 74
1
52.7 / 53.2
-0.5
3.0 / 2.9
0.1
SSE / S
29.696 / 29.808
-0.112
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
3/22/2026 03:50 60.7 / 61.3
-0.6
75 / 74
1
52.7 / 53.0
-0.3
3.0 / 3.4
-0.4
SSE / S
29.693 / 29.805
-0.112
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
3/22/2026 03:55 60.6 / 61.3
-0.7
76 / 74
2
53.0 / 53.0
0.0
3.0 / 2.9
0.1
SSE / SSW
29.691 / 29.805
-0.114
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
3/22/2026 04:00 60.5 / 61.2
-0.7
76 / 75
1
52.9 / 53.2
-0.3
3.0 / 3.8
-0.8
SSE / S
29.690 / 29.802
-0.112
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
3/22/2026 04:05 60.5 / 61.2
-0.7
76 / 75
1
52.9 / 53.2
-0.3
3.0 / 3.8
-0.8
SSE / SSE
29.688 / 29.802
-0.114
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
3/22/2026 04:10 60.4 / 61.2
-0.8
77 / 76
1
53.2 / 53.5
-0.3
3.0 / 2.9
0.1
SSE / S
29.687 / 29.802
-0.115
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
3/22/2026 04:15 60.4 / 61.2
-0.8
77 / 76
1
53.2 / 53.5
-0.3
3.0 / 2.7
0.3
SSE / SSW
29.687 / 29.802
-0.115
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
3/22/2026 04:20 60.4 / 61.0
-0.6
77 / 76
1
53.2 / 53.4
-0.2
3.0 / 3.4
-0.4
SSE / SSE
29.686 / 29.802
-0.116
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
3/22/2026 04:25 60.4 / 61.0
-0.6
77 / 76
1
53.2 / 53.4
-0.2
3.0 / 3.4
-0.4
S / S
29.686 / 29.802
-0.116
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
3/22/2026 04:30 60.3 / 61.2
-0.9
77 / 76
1
53.1 / 53.5
-0.4
3.0 / 2.9
0.1
SSE / S
29.684 / 29.799
-0.115
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
3/22/2026 04:35 60.4 / 61.2
-0.8
77 / 77
0
53.2 / 53.9
-0.7
3.0 / 3.4
-0.4
SSE / SSW
29.681 / 29.796
-0.115
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
3/22/2026 04:40 60.4 / 61.3
-0.9
77 / 76
1
53.2 / 53.7
-0.5
3.0 / 3.4
-0.4
S / SSW
29.677 / 29.793
-0.116
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
3/22/2026 04:45 60.4 / 61.2
-0.8
77 / 77
0
53.2 / 53.9
-0.7
3.0 / 2.9
0.1
SSE / WSW
29.676 / 29.793
-0.117
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
Average Diff --:-- -0.7 2.2 0.3 -0.0 --- -0.112 0.00 --- 0

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