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
5/9/2026 00:05 56.3 / 56.7
-0.4		 78 / 81
-3		 49.5 / 50.9
-1.4		 1.0 / 0.0
1.0		 N / NW
29.756 / 29.849
-0.093		 0.00 / 0.00
0.00		 0.00 / 0.00
0.00		 0 / 0
0
5/9/2026 00:10 56.2 / 56.5
-0.3		 79 / 82
-3		 49.8 / 51.1
-1.3		 1.0 / 0.0
1.0		 NNW / NW
29.756 / 29.846
-0.090		 0.00 / 0.00
0.00		 0.00 / 0.00
0.00		 0 / 0
0
5/9/2026 00:15 56.1 / 56.3
-0.2		 79 / 83
-4		 49.7 / 51.2
-1.5		 0.0 / 0.0
0.0		 NNW / NNE
29.750 / 29.843
-0.093		 0.00 / 0.00
0.00		 0.00 / 0.00
0.00		 0 / 0
0
5/9/2026 00:20 56.1 / 56.1
0.0		 79 / 84
-5		 49.7 / 51.4
-1.7		 0.0 / 0.0
0.0		 --- / NNE
29.748 / 29.837
-0.089		 0.00 / 0.00
0.00		 0.00 / 0.00
0.00		 0 / 0
0
5/9/2026 00:25 56.0 / 56.1
-0.1		 79 / 84
-5		 49.6 / 51.4
-1.8		 0.0 / 0.0
0.0		 NNW / E
29.743 / 29.840
-0.097		 0.00 / 0.00
0.00		 0.00 / 0.00
0.00		 0 / 0
0
5/9/2026 00:30 56.0 / 55.9
0.1		 79 / 84
-5		 49.6 / 51.2
-1.6		 0.0 / 0.0
0.0		 NNW / NNE
29.749 / 29.840
-0.091		 0.00 / 0.00
0.00		 0.00 / 0.00
0.00		 0 / 0
0
5/9/2026 00:35 55.9 / 55.9
0.0		 79 / 84
-5		 49.5 / 51.2
-1.7		 0.0 / 0.0
0.0		 NNW / NNE
29.751 / 29.843
-0.092		 0.00 / 0.00
0.00		 0.00 / 0.00
0.00		 0 / 0
0
5/9/2026 00:40 55.8 / 55.8
0.0		 79 / 85
-6		 49.4 / 51.3
-1.9		 1.0 / 0.0
1.0		 NNW / N
29.749 / 29.840
-0.091		 0.00 / 0.00
0.00		 0.00 / 0.00
0.00		 0 / 0
0
5/9/2026 00:45 55.7 / 55.8
-0.1		 79 / 85
-6		 49.3 / 51.3
-2.0		 0.0 / 0.0
0.0		 --- / N
29.747 / 29.840
-0.093		 0.00 / 0.00
0.00		 0.00 / 0.00
0.00		 0 / 0
0
5/9/2026 00:50 55.7 / 55.8
-0.1		 79 / 85
-6		 49.3 / 51.3
-2.0		 0.0 / 0.0
0.0		 NNW / N
29.747 / 29.840
-0.093		 0.00 / 0.00
0.00		 0.00 / 0.00
0.00		 0 / 0
0
5/9/2026 00:55 55.6 / 55.8
-0.2		 79 / 85
-6		 49.2 / 51.3
-2.1		 0.0 / 0.2
-0.2		 NNW / NNE
29.747 / 29.840
-0.093		 0.00 / 0.00
0.00		 0.00 / 0.00
0.00		 0 / 0
0
5/9/2026 01:00 55.6 / 55.6
0.0		 79 / 85
-6		 49.2 / 51.1
-1.9		 0.0 / 0.2
-0.2		 NNW / NW
29.747 / 29.840
-0.093		 0.00 / 0.00
0.00		 0.00 / 0.00
0.00		 0 / 0
0
5/9/2026 01:05 55.5 / 55.8
-0.3		 79 / 85
-6		 49.1 / 51.3
-2.2		 1.0 / 0.2
0.8		 NNW / N
29.747 / 29.840
-0.093		 0.00 / 0.00
0.00		 0.00 / 0.00
0.00		 0 / 0
0
5/9/2026 01:10 55.5 / 55.8
-0.3		 79 / 85
-6		 49.1 / 51.3
-2.2		 0.0 / 0.2
-0.2		 NNW / N
29.749 / 29.840
-0.091		 0.00 / 0.00
0.00		 0.00 / 0.00
0.00		 0 / 0
0
5/9/2026 01:15 55.5 / 55.8
-0.3		 79 / 84
-5		 49.1 / 51.0
-1.9		 0.0 / 0.4
-0.4		 NNW / NE
29.748 / 29.840
-0.092		 0.00 / 0.00
0.00		 0.00 / 0.00
0.00		 0 / 0
0
5/9/2026 01:20 55.5 / 55.8
-0.3		 79 / 85
-6		 49.1 / 51.3
-2.2		 0.0 / 0.0
0.0		 NNW / NNE
29.748 / 29.840
-0.092		 0.00 / 0.00
0.00		 0.00 / 0.00
0.00		 0 / 0
0
5/9/2026 01:25 55.5 / 55.8
-0.3		 79 / 85
-6		 49.1 / 51.3
-2.2		 0.0 / 0.0
0.0		 NNW / N
29.748 / 29.843
-0.095		 0.00 / 0.00
0.00		 0.00 / 0.00
0.00		 0 / 0
0
5/9/2026 01:30 55.4 / 55.8
-0.4		 79 / 85
-6		 49.0 / 51.3
-2.3		 1.0 / 0.0
1.0		 NNW / NE
29.749 / 29.840
-0.091		 0.00 / 0.00
0.00		 0.00 / 0.00
0.00		 0 / 0
0
5/9/2026 01:35 55.4 / 55.8
-0.4		 79 / 85
-6		 49.0 / 51.3
-2.3		 1.0 / 0.7
0.3		 NNW / NNE
29.748 / 29.840
-0.092		 0.00 / 0.00
0.00		 0.00 / 0.00
0.00		 0 / 0
0
5/9/2026 01:40 55.4 / 55.8
-0.4		 79 / 85
-6		 49.0 / 51.3
-2.3		 0.0 / 0.0
0.0		 NNW / N
29.745 / 29.837
-0.092		 0.00 / 0.00
0.00		 0.00 / 0.00
0.00		 0 / 0
0
5/9/2026 01:45 55.3 / 55.6
-0.3		 79 / 85
-6		 48.9 / 51.1
-2.2		 0.0 / 0.0
0.0		 NNW / SW
29.745 / 29.840
-0.095		 0.00 / 0.00
0.00		 0.00 / 0.00
0.00		 0 / 0
0
5/9/2026 01:50 55.2 / 55.6
-0.4		 79 / 85
-6		 48.8 / 51.1
-2.3		 0.0 / 0.0
0.0		 NNW / N
29.747 / 29.840
-0.093		 0.00 / 0.00
0.00		 0.00 / 0.00
0.00		 0 / 0
0
5/9/2026 01:55 55.2 / 55.6
-0.4		 79 / 86
-7		 48.8 / 51.5
-2.7		 0.0 / 0.0
0.0		 NNW / SW
29.747 / 29.840
-0.093		 0.00 / 0.00
0.00		 0.00 / 0.00
0.00		 0 / 0
0
5/9/2026 02:00 55.1 / 55.4
-0.3		 79 / 86
-7		 48.7 / 51.3
-2.6		 1.0 / 0.2
0.8		 NNW / NE
29.749 / 29.840
-0.091		 0.00 / 0.00
0.00		 0.00 / 0.00
0.00		 0 / 0
0
5/9/2026 02:05 55.1 / 55.4
-0.3		 80 / 86
-6		 49.0 / 51.3
-2.3		 0.0 / 0.0
0.0		 NNW / NE
29.748 / 29.843
-0.095		 0.00 / 0.00
0.00		 0.00 / 0.00
0.00		 0 / 0
0
5/9/2026 02:10 55.1 / 55.4
-0.3		 80 / 86
-6		 49.0 / 51.3
-2.3		 1.0 / 0.0
1.0		 NNW / NNE
29.748 / 29.840
-0.092		 0.00 / 0.00
0.00		 0.00 / 0.00
0.00		 0 / 0
0
5/9/2026 02:15 55.1 / 55.4
-0.3		 80 / 86
-6		 49.0 / 51.3
-2.3		 0.0 / 0.2
-0.2		 --- / NNE
29.750 / 29.843
-0.093		 0.00 / 0.00
0.00		 0.00 / 0.00
0.00		 0 / 0
0
5/9/2026 02:20 55.1 / 55.4
-0.3		 80 / 87
-7		 49.0 / 51.6
-2.6		 0.0 / 0.0
0.0		 NNW / NNE
29.746 / 29.840
-0.094		 0.00 / 0.00
0.00		 0.00 / 0.00
0.00		 0 / 0
0
5/9/2026 02:25 55.1 / 55.4
-0.3		 80 / 87
-7		 49.0 / 51.6
-2.6		 0.0 / 0.2
-0.2		 NNW / NE
29.749 / 29.840
-0.091		 0.00 / 0.00
0.00		 0.00 / 0.00
0.00		 0 / 0
0
5/9/2026 02:30 55.1 / 55.2
-0.1		 80 / 88
-8		 49.0 / 51.7
-2.7		 0.0 / 0.4
-0.4		 NNW / NE
29.750 / 29.840
-0.090		 0.00 / 0.00
0.00		 0.00 / 0.00
0.00		 0 / 0
0
5/9/2026 02:35 55.0 / 55.2
-0.2		 80 / 88
-8		 48.9 / 51.7
-2.8		 1.0 / 0.0
1.0		 NNW / NNE
29.747 / 29.843
-0.096		 0.00 / 0.00
0.00		 0.00 / 0.00
0.00		 0 / 0
0
5/9/2026 02:40 55.0 / 55.2
-0.2		 80 / 89
-9		 48.9 / 52.0
-3.1		 1.0 / 0.0
1.0		 NNW / NNE
29.747 / 29.843
-0.096		 0.00 / 0.00
0.00		 0.00 / 0.00
0.00		 0 / 0
0
5/9/2026 02:45 54.9 / 55.0
-0.1		 80 / 89
-9		 48.8 / 51.9
-3.1		 1.0 / 0.0
1.0		 NNW / NNE
29.741 / 29.840
-0.099		 0.00 / 0.00
0.00		 0.00 / 0.00
0.00		 0 / 0
0
5/9/2026 02:50 54.9 / 55.0
-0.1		 80 / 90
-10		 48.8 / 52.2
-3.4		 0.0 / 1.3
-1.3		 N / NE
29.745 / 29.831
-0.086		 0.00 / 0.00
0.00		 0.00 / 0.00
0.00		 0 / 0
0
5/9/2026 02:55 54.8 / 54.9
-0.1		 81 / 90
-9		 49.1 / 52.0
-2.9		 0.0 / 0.0
0.0		 N / SW
29.736 / 29.834
-0.098		 0.00 / 0.00
0.00		 0.00 / 0.00
0.00		 0 / 0
0
5/9/2026 03:00 54.7 / 54.9
-0.2		 81 / 91
-10		 49.0 / 52.3
-3.3		 0.0 / 0.0
0.0		 N / N
29.738 / 29.831
-0.093		 0.00 / 0.00
0.00		 0.00 / 0.00
0.00		 0 / 0
0
5/9/2026 03:05 54.6 / 54.7
-0.1		 81 / 91
-10		 48.9 / 52.1
-3.2		 0.0 / 0.2
-0.2		 N / NE
29.739 / 29.831
-0.092		 0.00 / 0.00
0.00		 0.00 / 0.00
0.00		 0 / 0
0
5/9/2026 03:10 54.6 / 54.7
-0.1		 81 / 91
-10		 48.9 / 52.1
-3.2		 0.0 / 0.0
0.0		 N / NNE
29.735 / 29.828
-0.093		 0.00 / 0.00
0.00		 0.00 / 0.00
0.00		 0 / 0
0
5/9/2026 03:15 54.5 / 54.7
-0.2		 81 / 92
-11		 48.8 / 52.4
-3.6		 0.0 / 0.0
0.0		 N / NNE
29.737 / 29.831
-0.094		 0.00 / 0.00
0.00		 0.00 / 0.00
0.00		 0 / 0
0
5/9/2026 03:20 54.5 / 54.7
-0.2		 81 / 92
-11		 48.8 / 52.4
-3.6		 0.0 / 0.0
0.0		 N / ESE
29.736 / 29.831
-0.095		 0.00 / 0.00
0.00		 0.00 / 0.00
0.00		 0 / 0
0
5/9/2026 03:25 54.5 / 54.5
0.0		 81 / 92
-11		 48.8 / 52.2
-3.4		 0.0 / 0.0
0.0		 N / WNW
29.735 / 29.831
-0.096		 0.00 / 0.00
0.00		 0.00 / 0.00
0.00		 0 / 0
0
5/9/2026 03:30 54.4 / 54.5
-0.1		 81 / 92
-11		 48.7 / 52.2
-3.5		 0.0 / 0.0
0.0		 N / NW
29.736 / 29.831
-0.095		 0.01 / 0.00
0.01		 0.01 / 0.00
0.01		 0 / 0
0
5/9/2026 03:35 54.4 / 54.5
-0.1		 81 / 92
-11		 48.7 / 52.2
-3.5		 0.0 / 0.0
0.0		 --- / SSW
29.738 / 29.834
-0.096		 0.00 / 0.00
0.00		 0.01 / 0.00
0.01		 0 / 0
0
5/9/2026 03:40 54.3 / 54.5
-0.2		 82 / 92
-10		 48.9 / 52.2
-3.3		 0.0 / 0.0
0.0		 --- / SSW
29.738 / 29.834
-0.096		 0.00 / 0.00
0.00		 0.01 / 0.00
0.01		 0 / 0
0
5/9/2026 03:45 54.3 / 54.5
-0.2		 82 / 93
-11		 48.9 / 52.5
-3.6		 0.0 / 0.0
0.0		 N / SSW
29.740 / 29.837
-0.097		 0.00 / 0.00
0.00		 0.01 / 0.00
0.01		 0 / 0
0
5/9/2026 03:50 54.3 / 54.5
-0.2		 82 / 93
-11		 48.9 / 52.5
-3.6		 0.0 / 0.0
0.0		 --- / SSW
29.741 / 29.837
-0.096		 0.00 / 0.00
0.00		 0.01 / 0.00
0.01		 0 / 0
0
5/9/2026 03:55 54.2 / 54.5
-0.3		 82 / 93
-11		 48.8 / 52.5
-3.7		 0.0 / 0.0
0.0		 --- / SSW
29.742 / 29.834
-0.092		 0.00 / 0.00
0.00		 0.01 / 0.00
0.01		 0 / 0
0
5/9/2026 04:00 54.2 / 54.5
-0.3		 82 / 93
-11		 48.8 / 52.5
-3.7		 0.0 / 0.0
0.0		 N / SSW
29.737 / 29.831
-0.094		 0.00 / 0.00
0.00		 0.01 / 0.00
0.01		 0 / 0
0
5/9/2026 04:05 54.2 / 54.5
-0.3		 82 / 94
-12		 48.8 / 52.8
-4.0		 0.0 / 0.2
-0.2		 N / SSW
29.737 / 29.831
-0.094		 0.00 / 0.00
0.00		 0.01 / 0.00
0.01		 0 / 0
0
5/9/2026 04:10 54.2 / 54.5
-0.3		 83 / 94
-11		 49.1 / 52.8
-3.7		 0.0 / 0.0
0.0		 NNW / NNE
29.737 / 29.831
-0.094		 0.01 / 0.00
0.01		 0.02 / 0.00
0.02		 0 / 0
0
5/9/2026 04:15 54.1 / 54.5
-0.4		 83 / 94
-11		 49.1 / 52.8
-3.7		 0.0 / 0.0
0.0		 N / NNE
29.737 / 29.834
-0.097		 0.00 / 0.00
0.00		 0.02 / 0.00
0.02		 0 / 0
0
5/9/2026 04:20 54.1 / 54.5
-0.4		 83 / 94
-11		 49.1 / 52.8
-3.7		 0.0 / 0.0
0.0		 --- / NNE
29.733 / 29.828
-0.095		 0.00 / 0.00
0.00		 0.02 / 0.00
0.02		 0 / 0
0
5/9/2026 04:25 54.0 / 54.3
-0.3		 83 / 94
-11		 49.0 / 52.6
-3.6		 0.0 / 0.0
0.0		 N / NW
29.734 / 29.831
-0.097		 0.00 / 0.00
0.00		 0.02 / 0.00
0.02		 0 / 0
0
5/9/2026 04:30 54.0 / 54.1
-0.1		 83 / 94
-11		 49.0 / 52.5
-3.5		 0.0 / 0.0
0.0		 --- / NW
29.737 / 29.831
-0.094		 0.00 / 0.00
0.00		 0.02 / 0.00
0.02		 0 / 0
0
5/9/2026 04:35 53.9 / 54.1
-0.2		 83 / 94
-11		 48.9 / 52.5
-3.6		 0.0 / 0.0
0.0		 --- / NW
29.728 / 29.822
-0.094		 0.00 / 0.00
0.00		 0.02 / 0.00
0.02		 0 / 0
0
5/9/2026 04:40 53.9 / 54.1
-0.2		 83 / 94
-11		 48.9 / 52.5
-3.6		 0.0 / 0.0
0.0		 --- / NE
29.726 / 29.819
-0.093		 0.01 / 0.00
0.01		 0.03 / 0.00
0.03		 0 / 0
0
5/9/2026 04:45 53.9 / 54.1
-0.2		 83 / 94
-11		 48.9 / 52.5
-3.6		 0.0 / 0.0
0.0		 N / NNW
29.722 / 29.819
-0.097		 0.00 / 0.00
0.00		 0.03 / 0.00
0.03		 0 / 0
0
5/9/2026 04:50 53.9 / 54.1
-0.2		 83 / 95
-12		 48.9 / 52.7
-3.8		 0.0 / 0.0
0.0		 N / ESE
29.719 / 29.813
-0.094		 0.00 / 0.00
0.00		 0.03 / 0.00
0.03		 0 / 0
0
5/9/2026 04:55 53.9 / 54.1
-0.2		 83 / 95
-12		 48.9 / 52.7
-3.8		 0.0 / 0.0
0.0		 N / ESE
29.717 / 29.813
-0.096		 0.00 / 0.00
0.00		 0.03 / 0.00
0.03		 0 / 0
0
5/9/2026 05:00 53.9 / 54.1
-0.2		 83 / 95
-12		 48.9 / 52.7
-3.8		 0.0 / 0.0
0.0		 --- / ESE
29.718 / 29.813
-0.095		 0.00 / 0.00
0.00		 0.03 / 0.00
0.03		 0 / 0
0
5/9/2026 05:05 53.9 / 54.3
-0.4		 83 / 95
-12		 48.9 / 52.9
-4.0		 0.0 / 0.0
0.0		 NNW / SE
29.716 / 29.811
-0.095		 0.00 / 0.00
0.00		 0.03 / 0.00
0.03		 0 / 0
0
5/9/2026 05:10 53.9 / 54.3
-0.4		 84 / 95
-11		 49.2 / 52.9
-3.7		 1.0 / 0.0
1.0		 N / N
29.706 / 29.802
-0.096		 0.00 / 0.00
0.00		 0.03 / 0.00
0.03		 0 / 0
0
5/9/2026 05:15 53.9 / 54.1
-0.2		 84 / 95
-11		 49.2 / 52.7
-3.5		 0.0 / 0.0
0.0		 N / N
29.707 / 29.805
-0.098		 0.00 / 0.00
0.00		 0.03 / 0.00
0.03		 0 / 0
0
5/9/2026 05:20 53.9 / 54.1
-0.2		 84 / 95
-11		 49.2 / 52.7
-3.5		 0.0 / 0.0
0.0		 --- / NNW
29.708 / 29.808
-0.100		 0.01 / 0.00
0.01		 0.04 / 0.00
0.04		 0 / 0
0
5/9/2026 05:25 53.8 / 54.1
-0.3		 84 / 95
-11		 49.1 / 52.7
-3.6		 0.0 / 0.0
0.0		 --- / NNW
29.712 / 29.811
-0.099		 0.00 / 0.00
0.00		 0.04 / 0.00
0.04		 0 / 0
0
5/9/2026 05:30 53.7 / 54.0
-0.3		 84 / 95
-11		 49.0 / 52.6
-3.6		 0.0 / 0.0
0.0		 --- / WNW
29.714 / 29.811
-0.097		 0.00 / 0.00
0.00		 0.04 / 0.00
0.04		 0 / 0
0
5/9/2026 05:35 53.6 / no data 84 / no data 48.9 / no data 0.0 / no data --- / no data 29.714 / no data 0.00 / no data 0.04 / no data 0 / no data
5/9/2026 05:40 53.6 / no data 84 / no data 48.9 / no data 0.0 / no data N / no data 29.714 / no data 0.00 / no data 0.04 / no data 0 / no data
5/9/2026 05:45 53.5 / no data 84 / no data 48.8 / no data 0.0 / no data N / no data 29.717 / no data 0.00 / no data 0.04 / no data 0 / no data
Average Diff --:-- -0.2 -8.5 -2.9 0.1 --- -0.094 0.00 --- 0

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Time: Sat 9-May-2026 at 05:53 EDT (Sat 9-May-2026 at 09:53 UTC) Page Modified: 5/4/2021 1:28:16 PM (PID:14)