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
6/15/2026 00:05 62.5 / 62.8
-0.3
80 / 89
-9
56.2 / 59.5
-3.3
0.0 / 0.0
0.0
--- / SW
29.947 / 29.958
-0.011
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
6/15/2026 00:10 62.3 / 62.6
-0.3
79 / 88
-9
55.7 / 59.0
-3.3
0.0 / 0.0
0.0
--- / WNW
29.948 / 29.961
-0.013
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
6/15/2026 00:15 62.4 / 62.8
-0.4
79 / 87
-8
55.8 / 58.9
-3.1
0.0 / 0.4
-0.4
SW / SW
29.947 / 29.958
-0.011
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
6/15/2026 00:20 62.5 / 63.1
-0.6
79 / 86
-7
55.9 / 58.9
-3.0
0.0 / 0.2
-0.2
SW / NNW
29.950 / 29.961
-0.011
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
6/15/2026 00:25 62.5 / 63.1
-0.6
79 / 86
-7
55.9 / 58.9
-3.0
0.0 / 0.0
0.0
SW / NNE
29.949 / 29.961
-0.012
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
6/15/2026 00:30 62.6 / 63.1
-0.5
78 / 86
-8
55.6 / 58.9
-3.3
1.0 / 0.2
0.8
NW / NW
29.953 / 29.964
-0.011
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
6/15/2026 00:35 62.6 / 63.1
-0.5
78 / 86
-8
55.6 / 58.9
-3.3
1.0 / 0.2
0.8
WNW / NNW
29.953 / 29.964
-0.011
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
6/15/2026 00:40 62.6 / 63.1
-0.5
78 / 86
-8
55.6 / 58.9
-3.3
2.0 / 1.1
0.9
WNW / NW
29.955 / 29.967
-0.012
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
6/15/2026 00:45 62.7 / 63.3
-0.6
78 / 86
-8
55.7 / 59.1
-3.4
3.0 / 1.3
1.7
WNW / W
29.957 / 29.967
-0.010
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
6/15/2026 00:50 62.7 / 63.3
-0.6
78 / 86
-8
55.7 / 59.1
-3.4
4.0 / 0.7
3.3
WNW / NW
29.958 / 29.970
-0.012
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
6/15/2026 00:55 62.7 / 63.3
-0.6
78 / 86
-8
55.7 / 59.1
-3.4
4.0 / 0.2
3.8
WNW / NNW
29.958 / 29.970
-0.012
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
6/15/2026 01:00 62.7 / 63.1
-0.4
78 / 86
-8
55.7 / 58.9
-3.2
4.0 / 0.2
3.8
WNW / NW
29.959 / 29.970
-0.011
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
6/15/2026 01:05 62.7 / 63.1
-0.4
78 / 86
-8
55.7 / 58.9
-3.2
4.0 / 0.0
4.0
NW / NNW
29.959 / 29.970
-0.011
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
6/15/2026 01:10 62.7 / 63.0
-0.3
78 / 86
-8
55.7 / 58.7
-3.0
3.0 / 0.0
3.0
NW / NW
29.960 / 29.970
-0.010
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
6/15/2026 01:15 62.6 / 62.8
-0.2
78 / 86
-8
55.6 / 58.5
-2.9
3.0 / 0.2
2.8
WNW / NNW
29.959 / 29.970
-0.011
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
6/15/2026 01:20 62.4 / 62.6
-0.2
78 / 86
-8
55.4 / 58.4
-3.0
4.0 / 0.0
4.0
NW / ENE
29.960 / 29.973
-0.013
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
6/15/2026 01:25 62.2 / 62.4
-0.2
78 / 86
-8
55.3 / 58.2
-2.9
3.0 / 0.2
2.8
NW / NNW
29.963 / 29.973
-0.010
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
6/15/2026 01:30 62.0 / 62.2
-0.2
78 / 86
-8
55.1 / 58.0
-2.9
2.0 / 0.0
2.0
WNW / NNW
29.966 / 29.973
-0.007
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
6/15/2026 01:35 61.9 / 61.9
0.0
77 / 86
-9
54.6 / 57.6
-3.0
3.0 / 0.2
2.8
NW / NW
29.964 / 29.976
-0.012
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
6/15/2026 01:40 61.8 / 61.7
0.1
77 / 86
-9
54.5 / 57.5
-3.0
2.0 / 0.2
1.8
NNW / NE
29.967 / 29.979
-0.012
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
6/15/2026 01:45 61.7 / 61.5
0.2
77 / 85
-8
54.4 / 57.0
-2.6
2.0 / 0.2
1.8
NNW / NNW
29.967 / 29.976
-0.009
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
6/15/2026 01:50 61.6 / 61.5
0.1
76 / 85
-9
54.0 / 57.0
-3.0
3.0 / 0.2
2.8
NNW / NNE
29.967 / 29.979
-0.012
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
6/15/2026 01:55 61.5 / 61.3
0.2
76 / 83
-7
53.9 / 56.1
-2.2
3.0 / 0.2
2.8
NNW / NNW
29.965 / 29.976
-0.011
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
6/15/2026 02:00 61.4 / 61.2
0.2
76 / 83
-7
53.8 / 56.0
-2.2
3.0 / 0.0
3.0
NNW / NNE
29.966 / 29.976
-0.010
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
6/15/2026 02:05 61.3 / 61.0
0.3
75 / 83
-8
53.3 / 55.8
-2.5
2.0 / 0.0
2.0
NNW / NNW
29.967 / 29.976
-0.009
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
6/15/2026 02:10 61.1 / 60.6
0.5
75 / 83
-8
53.1 / 55.4
-2.3
3.0 / 0.2
2.8
NW / N
29.967 / 29.976
-0.009
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
6/15/2026 02:15 60.9 / 60.3
0.6
75 / 83
-8
52.9 / 55.1
-2.2
1.0 / 0.0
1.0
NW / NNE
29.969 / 29.979
-0.010
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
6/15/2026 02:20 60.7 / 60.1
0.6
75 / 83
-8
52.7 / 54.9
-2.2
1.0 / 0.0
1.0
NNW / NE
29.971 / 29.982
-0.011
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
6/15/2026 02:25 60.5 / 59.7
0.8
76 / 84
-8
52.9 / 54.9
-2.0
1.0 / 0.0
1.0
NNW / NE
29.972 / 29.982
-0.010
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
6/15/2026 02:30 60.3 / 59.2
1.1
76 / 84
-8
52.7 / 54.3
-1.6
1.0 / 0.0
1.0
NNW / NE
29.972 / 29.982
-0.010
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
6/15/2026 02:35 60.1 / 58.8
1.3
75 / 85
-10
52.1 / 54.3
-2.2
0.0 / 0.0
0.0
NNW / NNE
29.970 / 29.979
-0.009
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
6/15/2026 02:40 59.9 / 58.5
1.4
76 / 85
-9
52.3 / 54.0
-1.7
0.0 / 0.0
0.0
NNW / NNE
29.969 / 29.976
-0.007
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
6/15/2026 02:45 59.7 / 58.3
1.4
76 / 86
-10
52.1 / 54.1
-2.0
0.0 / 0.0
0.0
NNW / N
29.965 / 29.973
-0.008
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
6/15/2026 02:50 59.5 / 57.9
1.6
76 / 86
-10
51.9 / 53.8
-1.9
0.0 / 0.0
0.0
NNW / NNE
29.963 / 29.970
-0.007
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
6/15/2026 02:55 59.2 / 57.7
1.5
77 / 87
-10
52.0 / 53.9
-1.9
0.0 / 0.0
0.0
NNW / NNE
29.962 / 29.970
-0.008
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
6/15/2026 03:00 59.0 / 57.6
1.4
77 / 87
-10
51.8 / 53.7
-1.9
1.0 / 0.2
0.8
NW / NNE
29.961 / 29.970
-0.009
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
6/15/2026 03:05 58.8 / 57.4
1.4
77 / 88
-11
51.6 / 53.9
-2.3
2.0 / 0.0
2.0
NNW / NE
29.962 / 29.970
-0.008
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
6/15/2026 03:10 58.7 / 57.4
1.3
77 / 87
-10
51.5 / 53.5
-2.0
1.0 / 0.0
1.0
NNW / NNE
29.959 / 29.970
-0.011
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
6/15/2026 03:15 58.5 / 57.4
1.1
77 / 87
-10
51.3 / 53.5
-2.2
1.0 / 0.0
1.0
NNW / N
29.962 / 29.970
-0.008
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
6/15/2026 03:20 58.4 / 57.2
1.2
77 / 87
-10
51.2 / 53.4
-2.2
1.0 / 0.0
1.0
NNW / NNE
29.961 / 29.967
-0.006
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
6/15/2026 03:25 58.3 / 57.0
1.3
77 / 87
-10
51.1 / 53.2
-2.1
1.0 / 0.0
1.0
NNW / NNE
29.961 / 29.970
-0.009
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
6/15/2026 03:30 58.1 / 56.8
1.3
77 / 87
-10
50.9 / 53.0
-2.1
0.0 / 0.0
0.0
NNW / NNE
29.965 / 29.973
-0.008
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
6/15/2026 03:35 58.0 / 56.8
1.2
77 / 88
-11
50.8 / 53.3
-2.5
1.0 / 0.0
1.0
NW / NNE
29.968 / 29.976
-0.008
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
6/15/2026 03:40 57.8 / 56.7
1.1
77 / 88
-11
50.6 / 53.1
-2.5
1.0 / 0.0
1.0
NW / NNW
29.970 / 29.976
-0.006
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
6/15/2026 03:45 57.7 / 56.7
1.0
78 / 88
-10
50.9 / 53.1
-2.2
0.0 / 0.2
-0.2
NW / N
29.972 / 29.979
-0.007
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
6/15/2026 03:50 57.6 / 56.7
0.9
78 / 88
-10
50.8 / 53.1
-2.3
0.0 / 0.0
0.0
NW / NW
29.972 / 29.979
-0.007
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
6/15/2026 03:55 57.5 / 56.8
0.7
78 / 89
-11
50.7 / 53.6
-2.9
1.0 / 0.0
1.0
NW / NNW
29.970 / 29.976
-0.006
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
6/15/2026 04:00 57.5 / 56.8
0.7
78 / 89
-11
50.7 / 53.6
-2.9
0.0 / 0.0
0.0
NW / NW
29.969 / 29.976
-0.007
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
6/15/2026 04:05 57.4 / 56.8
0.6
79 / 88
-9
50.9 / 53.3
-2.4
1.0 / 0.0
1.0
NW / NNW
29.974 / 29.982
-0.008
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
6/15/2026 04:10 57.3 / 57.0
0.3
79 / 88
-9
50.8 / 53.5
-2.7
2.0 / 0.0
2.0
NW / NNW
29.977 / 29.985
-0.008
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
6/15/2026 04:15 57.1 / 56.8
0.3
79 / 89
-10
50.6 / 53.6
-3.0
2.0 / 0.0
2.0
WNW / NNW
29.974 / 29.982
-0.008
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
6/15/2026 04:20 57.1 / 56.8
0.3
79 / 89
-10
50.6 / 53.6
-3.0
1.0 / 0.0
1.0
WNW / NNW
29.974 / 29.982
-0.008
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
6/15/2026 04:25 57.0 / 56.7
0.3
79 / 89
-10
50.5 / 53.5
-3.0
1.0 / 0.0
1.0
WNW / NNW
29.976 / 29.982
-0.006
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
6/15/2026 04:30 56.9 / 56.3
0.6
79 / 90
-11
50.5 / 53.4
-2.9
1.0 / 0.0
1.0
WNW / NNW
29.977 / 29.982
-0.005
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
6/15/2026 04:35 56.8 / 56.1
0.7
79 / 90
-11
50.4 / 53.2
-2.8
0.0 / 0.0
0.0
WNW / N
29.977 / 29.982
-0.005
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
6/15/2026 04:40 56.7 / 55.9
0.8
79 / 90
-11
50.3 / 53.0
-2.7
0.0 / 0.0
0.0
--- / NNW
29.978 / 29.985
-0.007
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
6/15/2026 04:45 56.6 / 55.9
0.7
79 / 91
-12
50.2 / 53.4
-3.2
0.0 / 0.0
0.0
--- / WNW
29.978 / 29.985
-0.007
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
6/15/2026 04:50 56.6 / 56.1
0.5
80 / 92
-12
50.5 / 53.8
-3.3
0.0 / 0.0
0.0
--- / WNW
29.975 / 29.979
-0.004
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
6/15/2026 04:55 56.4 / 56.3
0.1
80 / 92
-12
50.3 / 54.0
-3.7
0.0 / 0.0
0.0
--- / WNW
29.973 / 29.979
-0.006
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
6/15/2026 05:00 56.2 / 56.1
0.1
81 / 92
-11
50.4 / 53.8
-3.4
0.0 / 0.0
0.0
--- / WNW
29.974 / 29.979
-0.005
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
6/15/2026 05:05 56.0 / no data 81 / no data 50.3 / no data 0.0 / no data --- / no data 29.975 / no data 0.00 / no data 0.00 / no data 0 / no data
6/15/2026 05:10 55.7 / no data 81 / no data 50.0 / no data 0.0 / no data --- / no data 29.976 / no data 0.00 / no data 0.00 / no data 0 / no data
6/15/2026 05:15 55.5 / no data 81 / no data 49.8 / no data 0.0 / no data --- / no data 29.972 / no data 0.00 / no data 0.00 / no data 0 / no data
Average Diff --:-- 0.4 -9.2 -2.7 1.2 --- -0.009 0.00 --- 0

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