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
3/9/2026 00:05 47.2 / 45.9
1.3
73 / 79
-6
39.0 / 39.7
-0.7
0.0 / 0.2
-0.2
S / NW
29.929 / 30.011
-0.082
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
3/9/2026 00:10 46.8 / 45.7
1.1
73 / 76
-3
38.6 / 38.5
0.1
0.0 / 0.0
0.0
S / N
29.930 / 30.011
-0.081
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
3/9/2026 00:15 46.7 / 45.5
1.2
73 / 77
-4
38.5 / 38.7
-0.2
0.0 / 0.0
0.0
S / S
29.929 / 30.011
-0.082
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
3/9/2026 00:20 46.5 / 45.3
1.2
74 / 80
-6
38.7 / 39.5
-0.8
0.0 / 0.0
0.0
--- / WNW
29.927 / 30.008
-0.081
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
3/9/2026 00:25 46.1 / 45.0
1.1
75 / 80
-5
38.6 / 39.2
-0.6
0.0 / 0.0
0.0
--- / NW
29.928 / 30.008
-0.080
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
3/9/2026 00:30 46.0 / 44.6
1.4
75 / 78
-3
38.5 / 38.2
0.3
1.0 / 0.0
1.0
S / WSW
29.929 / 30.008
-0.079
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
3/9/2026 00:35 46.0 / 44.8
1.2
75 / 80
-5
38.5 / 39.0
-0.5
1.0 / 0.0
1.0
S / SW
29.927 / 30.005
-0.078
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
3/9/2026 00:40 46.0 / 45.1
0.9
74 / 75
-1
38.2 / 37.7
0.5
2.0 / 0.4
1.6
S / WNW
29.928 / 30.008
-0.080
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
3/9/2026 00:45 46.1 / 45.5
0.6
74 / 75
-1
38.3 / 38.0
0.3
1.0 / 0.4
0.6
S / WSW
29.928 / 30.008
-0.080
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
3/9/2026 00:50 46.2 / 45.5
0.7
73 / 74
-1
38.0 / 37.7
0.3
1.0 / 0.0
1.0
S / SW
29.926 / 30.005
-0.079
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
3/9/2026 00:55 46.3 / 45.7
0.6
73 / 76
-3
38.1 / 38.5
-0.4
1.0 / 0.0
1.0
S / SSW
29.927 / 30.005
-0.078
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
3/9/2026 01:00 46.1 / 45.3
0.8
73 / 74
-1
37.9 / 37.5
0.4
0.0 / 0.4
-0.4
S / SSW
29.925 / 30.005
-0.080
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
3/9/2026 01:05 46.1 / 45.3
0.8
74 / 75
-1
38.3 / 37.9
0.4
1.0 / 0.0
1.0
S / SW
29.924 / 30.005
-0.081
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
3/9/2026 01:10 46.0 / 45.3
0.7
74 / 77
-3
38.2 / 38.5
-0.3
1.0 / 0.0
1.0
S / SSW
29.922 / 30.002
-0.080
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
3/9/2026 01:15 45.8 / 45.1
0.7
74 / 74
0
38.0 / 37.3
0.7
1.0 / 0.9
0.1
S / SW
29.921 / 30.000
-0.079
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
3/9/2026 01:20 45.8 / 45.5
0.3
74 / 73
1
38.0 / 37.3
0.7
2.0 / 0.0
2.0
SSE / SW
29.918 / 30.000
-0.082
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
3/9/2026 01:25 46.0 / 45.7
0.3
74 / 74
0
38.2 / 37.9
0.3
1.0 / 0.0
1.0
SSE / SSW
29.920 / 30.002
-0.082
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
3/9/2026 01:30 46.1 / 45.5
0.6
74 / 74
0
38.3 / 37.7
0.6
2.0 / 0.2
1.8
S / WSW
29.921 / 30.002
-0.081
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
3/9/2026 01:35 46.2 / 45.5
0.7
73 / 74
-1
38.0 / 37.7
0.3
2.0 / 0.0
2.0
S / W
29.921 / 30.002
-0.081
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
3/9/2026 01:40 46.2 / 45.5
0.7
73 / 75
-2
38.0 / 38.0
0.0
1.0 / 0.2
0.8
S / SSW
29.923 / 30.002
-0.079
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
3/9/2026 01:45 46.1 / 45.7
0.4
73 / 75
-2
37.9 / 37.7
0.2
2.0 / 0.4
1.6
S / SSW
29.923 / 30.002
-0.079
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
3/9/2026 01:50 46.0 / 45.7
0.3
73 / 74
-1
37.8 / 37.9
-0.1
1.0 / 0.7
0.3
S / SW
29.923 / 30.002
-0.079
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
3/9/2026 01:55 45.9 / 45.7
0.2
74 / 73
1
38.1 / 37.5
0.6
1.0 / 0.9
0.1
SSE / S
29.921 / 30.002
-0.081
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
3/9/2026 02:00 45.8 / 46.0
-0.2
74 / 72
2
38.0 / 37.5
0.5
2.0 / 0.9
1.1
SSE / S
29.922 / 30.002
-0.080
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
3/9/2026 02:05 45.8 / 46.0
-0.2
74 / 72
2
38.0 / 37.5
0.5
2.0 / 0.2
1.8
S / SSW
29.922 / 30.002
-0.080
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
3/9/2026 02:10 45.7 / 45.9
-0.2
74 / 73
1
37.9 / 37.7
0.2
2.0 / 0.9
1.1
S / SSW
29.921 / 30.000
-0.079
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
3/9/2026 02:15 45.7 / 46.0
-0.3
74 / 72
2
37.9 / 37.5
0.4
2.0 / 0.9
1.1
S / WSW
29.921 / 30.000
-0.079
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
3/9/2026 02:20 45.7 / 45.9
-0.2
73 / 73
0
37.5 / 37.7
-0.2
2.0 / 1.1
0.9
S / SSW
29.919 / 29.997
-0.078
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
3/9/2026 02:25 45.7 / 46.0
-0.3
74 / 72
2
37.9 / 37.5
0.4
2.0 / 0.9
1.1
S / SSW
29.918 / 29.997
-0.079
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
3/9/2026 02:30 45.7 / 45.9
-0.2
74 / 73
1
37.9 / 37.7
0.2
2.0 / 1.1
0.9
S / SW
29.916 / 29.997
-0.081
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
3/9/2026 02:35 45.7 / 45.7
0.0
74 / 74
0
37.9 / 37.9
0.0
2.0 / 0.4
1.6
S / SW
29.917 / 29.997
-0.080
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
3/9/2026 02:40 45.6 / 45.7
-0.1
74 / 73
1
37.8 / 37.5
0.3
2.0 / 0.7
1.3
S / SSW
29.918 / 29.997
-0.079
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
3/9/2026 02:45 45.6 / 45.7
-0.1
75 / 73
2
38.1 / 37.5
0.6
2.0 / 1.8
0.2
SSE / SSE
29.917 / 29.997
-0.080
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
3/9/2026 02:50 45.6 / 46.0
-0.4
75 / 72
3
38.1 / 37.5
0.6
2.0 / 0.4
1.6
S / SSW
29.919 / 29.997
-0.078
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
3/9/2026 02:55 45.6 / 46.0
-0.4
75 / 72
3
38.1 / 37.5
0.6
2.0 / 0.9
1.1
S / SSW
29.918 / 29.997
-0.079
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
3/9/2026 03:00 45.5 / 45.9
-0.4
75 / 74
1
38.0 / 38.0
0.0
1.0 / 1.3
-0.3
S / SSW
29.917 / 29.997
-0.080
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
3/9/2026 03:05 45.3 / 45.7
-0.4
75 / 74
1
37.8 / 38.2
-0.4
2.0 / 1.1
0.9
S / SW
29.915 / 29.997
-0.082
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
3/9/2026 03:10 45.3 / 45.3
0.0
75 / 75
0
37.8 / 37.9
-0.1
2.0 / 1.1
0.9
SSW / SW
29.916 / 29.997
-0.081
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
3/9/2026 03:15 45.2 / 45.5
-0.3
75 / 73
2
37.7 / 37.3
0.4
2.0 / 1.1
0.9
S / SSW
29.917 / 29.997
-0.080
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
3/9/2026 03:20 45.2 / 45.7
-0.5
75 / 74
1
37.7 / 37.9
-0.2
2.0 / 1.8
0.2
S / SW
29.917 / 29.997
-0.080
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
3/9/2026 03:25 45.2 / 45.9
-0.7
76 / 73
3
38.1 / 37.7
0.4
2.0 / 1.3
0.7
S / SSW
29.917 / 29.997
-0.080
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
3/9/2026 03:30 45.3 / 46.0
-0.7
75 / 73
2
37.8 / 37.9
-0.1
2.0 / 1.3
0.7
SSE / SSW
29.917 / 29.997
-0.080
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
3/9/2026 03:35 45.4 / 46.0
-0.6
75 / 73
2
37.9 / 37.9
0.0
3.0 / 1.8
1.2
S / S
29.916 / 29.994
-0.078
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
3/9/2026 03:40 45.4 / 45.9
-0.5
75 / 73
2
37.9 / 37.7
0.2
3.0 / 2.0
1.0
S / S
29.915 / 29.994
-0.079
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
3/9/2026 03:45 45.3 / 45.9
-0.6
75 / 73
2
37.8 / 37.7
0.1
3.0 / 1.3
1.7
SSE / S
29.914 / 29.994
-0.080
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
3/9/2026 03:50 45.2 / 45.9
-0.7
76 / 73
3
38.1 / 37.7
0.4
2.0 / 0.9
1.1
S / WSW
29.912 / 29.991
-0.079
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
3/9/2026 03:55 45.0 / 45.5
-0.5
76 / 75
1
37.9 / 38.0
-0.1
1.0 / 0.7
0.3
S / WSW
29.913 / 29.991
-0.078
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
3/9/2026 04:00 44.9 / 45.3
-0.4
76 / 75
1
37.8 / 37.9
-0.1
3.0 / 2.2
0.8
SSE / SSW
29.910 / 29.991
-0.081
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
3/9/2026 04:05 44.8 / 45.3
-0.5
77 / 75
2
38.0 / 37.9
0.1
3.0 / 2.0
1.0
S / SSW
29.911 / 29.991
-0.080
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
3/9/2026 04:10 44.7 / 45.3
-0.6
77 / 75
2
37.9 / 37.9
0.0
2.0 / 2.5
-0.5
S / S
29.912 / 29.991
-0.079
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
3/9/2026 04:15 44.7 / 45.3
-0.6
77 / 76
1
37.9 / 38.2
-0.3
3.0 / 2.2
0.8
SSE / SSE
29.911 / 29.991
-0.080
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
3/9/2026 04:20 44.6 / 45.3
-0.7
78 / 76
2
38.2 / 37.9
0.3
3.0 / 1.8
1.2
SSE / S
29.913 / 29.994
-0.081
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
3/9/2026 04:25 44.5 / 45.1
-0.6
78 / 76
2
38.1 / 38.0
0.1
3.0 / 2.7
0.3
SSE / SSW
29.911 / 29.994
-0.083
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
3/9/2026 04:30 44.3 / 45.0
-0.7
78 / 77
1
37.9 / 38.2
-0.3
3.0 / 2.2
0.8
SSE / SSW
29.914 / 29.994
-0.080
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
3/9/2026 04:35 44.1 / 44.8
-0.7
78 / 77
1
37.7 / 38.0
-0.3
2.0 / 1.1
0.9
S / S
29.914 / 29.994
-0.080
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
3/9/2026 04:40 44.0 / 44.6
-0.6
78 / 78
0
37.6 / 38.2
-0.6
2.0 / 0.4
1.6
SSE / SSW
29.911 / 29.991
-0.080
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
3/9/2026 04:45 43.8 / 44.4
-0.6
78 / 78
0
37.4 / 38.0
-0.6
2.0 / 0.7
1.3
SSE / SSE
29.912 / 29.994
-0.082
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
3/9/2026 04:50 43.7 / 44.2
-0.5
79 / 80
-1
37.6 / 38.5
-0.9
2.0 / 1.3
0.7
SSE / SSW
29.913 / 29.994
-0.081
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
3/9/2026 04:55 43.5 / 43.9
-0.4
79 / 80
-1
37.4 / 38.1
-0.7
2.0 / 0.4
1.6
S / S
29.917 / 29.997
-0.080
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
3/9/2026 05:00 43.4 / 43.7
-0.3
79 / 80
-1
37.3 / 37.9
-0.6
1.0 / 0.0
1.0
S / SSW
29.919 / 30.000
-0.081
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
3/9/2026 05:05 43.3 / no data 79 / no data 37.2 / no data 0.0 / no data S / no data 29.920 / no data 0.00 / no data 0.00 / no data 0 / no data
3/9/2026 05:10 43.2 / no data 79 / no data 37.1 / no data 1.0 / no data S / no data 29.924 / no data 0.00 / no data 0.00 / no data 0 / no data
3/9/2026 05:15 43.2 / no data 80 / no data 37.4 / no data 1.0 / no data S / no data 29.924 / no data 0.00 / no data 0.00 / no data 0 / no data
Average Diff --:-- 0.0 0.0 0.0 0.9 --- -0.080 0.00 --- 0

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