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
5/4/2026 00:05 52.7 / 54.0
-1.3		 61 / 58
3		 39.6 / 39.5
0.1		 3.0 / 2.9
0.1		 S / S
29.861 / 29.935
-0.074		 0.00 / 0.00
0.00		 0.00 / 0.00
0.00		 0 / 0
0
5/4/2026 00:10 52.6 / 53.8
-1.2		 61 / 58
3		 39.5 / 39.3
0.2		 3.0 / 2.5
0.5		 S / S
29.860 / 29.935
-0.075		 0.00 / 0.00
0.00		 0.00 / 0.00
0.00		 0 / 0
0
5/4/2026 00:15 52.6 / 53.8
-1.2		 61 / 57
4		 39.5 / 38.9
0.6		 3.0 / 2.0
1.0		 S / SSW
29.858 / 29.932
-0.074		 0.00 / 0.00
0.00		 0.00 / 0.00
0.00		 0 / 0
0
5/4/2026 00:20 52.6 / 53.6
-1.0		 62 / 58
4		 39.9 / 39.2
0.7		 3.0 / 2.0
1.0		 S / S
29.855 / 29.929
-0.074		 0.00 / 0.00
0.00		 0.00 / 0.00
0.00		 0 / 0
0
5/4/2026 00:25 52.4 / 53.6
-1.2		 62 / 58
4		 39.8 / 39.2
0.6		 2.0 / 2.9
-0.9		 S / SW
29.855 / 29.929
-0.074		 0.00 / 0.00
0.00		 0.00 / 0.00
0.00		 0 / 0
0
5/4/2026 00:30 52.4 / 53.4
-1.0		 62 / 59
3		 39.8 / 39.4
0.4		 3.0 / 2.5
0.5		 SSW / SW
29.854 / 29.929
-0.075		 0.00 / 0.00
0.00		 0.00 / 0.00
0.00		 0 / 0
0
5/4/2026 00:35 52.2 / 53.2
-1.0		 62 / 58
4		 39.6 / 38.8
0.8		 3.0 / 2.2
0.8		 S / WSW
29.854 / 29.926
-0.072		 0.00 / 0.00
0.00		 0.00 / 0.00
0.00		 0 / 0
0
5/4/2026 00:40 52.2 / 53.2
-1.0		 63 / 58
5		 40.0 / 38.8
1.2		 2.0 / 2.5
-0.5		 S / SW
29.852 / 29.926
-0.074		 0.00 / 0.00
0.00		 0.00 / 0.00
0.00		 0 / 0
0
5/4/2026 00:45 52.1 / 53.2
-1.1		 63 / 59
4		 39.9 / 39.3
0.6		 3.0 / 2.5
0.5		 S / N
29.851 / 29.926
-0.075		 0.00 / 0.00
0.00		 0.00 / 0.00
0.00		 0 / 0
0
5/4/2026 00:50 52.2 / 53.2
-1.0		 62 / 59
3		 39.6 / 39.3
0.3		 3.0 / 2.2
0.8		 S / SSW
29.850 / 29.923
-0.073		 0.00 / 0.00
0.00		 0.00 / 0.00
0.00		 0 / 0
0
5/4/2026 00:55 52.1 / 53.2
-1.1		 63 / 58
5		 39.9 / 38.8
1.1		 3.0 / 2.7
0.3		 S / SW
29.849 / 29.923
-0.074		 0.00 / 0.00
0.00		 0.00 / 0.00
0.00		 0 / 0
0
5/4/2026 01:00 52.1 / 53.2
-1.1		 63 / 58
5		 39.9 / 38.8
1.1		 2.0 / 2.2
-0.2		 SSE / SW
29.851 / 29.923
-0.072		 0.00 / 0.00
0.00		 0.00 / 0.00
0.00		 0 / 0
0
5/4/2026 01:05 52.1 / 53.1
-1.0		 63 / 59
4		 39.9 / 39.1
0.8		 3.0 / 2.2
0.8		 SSW / WSW
29.851 / 29.923
-0.072		 0.00 / 0.00
0.00		 0.00 / 0.00
0.00		 0 / 0
0
5/4/2026 01:10 52.1 / 53.2
-1.1		 63 / 58
5		 39.9 / 38.8
1.1		 2.0 / 2.5
-0.5		 S / SE
29.849 / 29.923
-0.074		 0.00 / 0.00
0.00		 0.00 / 0.00
0.00		 0 / 0
0
5/4/2026 01:15 52.1 / 53.2
-1.1		 63 / 59
4		 39.9 / 39.3
0.6		 2.0 / 2.2
-0.2		 SSW / SW
29.847 / 29.923
-0.076		 0.00 / 0.00
0.00		 0.00 / 0.00
0.00		 0 / 0
0
5/4/2026 01:20 52.0 / 53.2
-1.2		 63 / 59
4		 39.8 / 39.3
0.5		 3.0 / 2.5
0.5		 S / SW
29.851 / 29.926
-0.075		 0.00 / 0.00
0.00		 0.00 / 0.00
0.00		 0 / 0
0
5/4/2026 01:25 51.9 / 53.1
-1.2		 64 / 59
5		 40.1 / 39.1
1.0		 2.0 / 2.2
-0.2		 S / WSW
29.851 / 29.926
-0.075		 0.00 / 0.00
0.00		 0.00 / 0.00
0.00		 0 / 0
0
5/4/2026 01:30 51.8 / 52.9
-1.1		 64 / 60
4		 40.0 / 39.4
0.6		 2.0 / 1.6
0.4		 S / S
29.851 / 29.926
-0.075		 0.00 / 0.00
0.00		 0.00 / 0.00
0.00		 0 / 0
0
5/4/2026 01:35 51.7 / 52.9
-1.2		 64 / 60
4		 39.9 / 39.4
0.5		 2.0 / 2.0
0.0		 S / SSW
29.850 / 29.923
-0.073		 0.00 / 0.00
0.00		 0.00 / 0.00
0.00		 0 / 0
0
5/4/2026 01:40 51.7 / 52.9
-1.2		 65 / 60
5		 40.3 / 39.4
0.9		 2.0 / 2.5
-0.5		 S / SSW
29.849 / 29.923
-0.074		 0.00 / 0.00
0.00		 0.00 / 0.00
0.00		 0 / 0
0
5/4/2026 01:45 51.6 / 52.9
-1.3		 64 / 60
4		 39.8 / 39.4
0.4		 2.0 / 2.5
-0.5		 S / SSW
29.848 / 29.920
-0.072		 0.00 / 0.00
0.00		 0.00 / 0.00
0.00		 0 / 0
0
5/4/2026 01:50 51.7 / 52.9
-1.2		 64 / 60
4		 39.9 / 39.4
0.5		 2.0 / 1.8
0.2		 S / S
29.843 / 29.917
-0.074		 0.00 / 0.00
0.00		 0.00 / 0.00
0.00		 0 / 0
0
5/4/2026 01:55 51.5 / 52.7
-1.2		 65 / 60
5		 40.1 / 39.2
0.9		 2.0 / 2.5
-0.5		 S / SSW
29.841 / 29.914
-0.073		 0.00 / 0.00
0.00		 0.00 / 0.00
0.00		 0 / 0
0
5/4/2026 02:00 51.4 / 52.5
-1.1		 65 / 60
5		 40.0 / 39.0
1.0		 2.0 / 2.5
-0.5		 S / SSW
29.840 / 29.914
-0.074		 0.00 / 0.00
0.00		 0.00 / 0.00
0.00		 0 / 0
0
5/4/2026 02:05 51.3 / 52.5
-1.2		 65 / 60
5		 39.9 / 39.0
0.9		 2.0 / 1.8
0.2		 SSW / S
29.837 / 29.911
-0.074		 0.00 / 0.00
0.00		 0.00 / 0.00
0.00		 0 / 0
0
5/4/2026 02:10 51.2 / 52.5
-1.3		 66 / 60
6		 40.2 / 39.0
1.2		 2.0 / 3.1
-1.1		 SSW / W
29.835 / 29.911
-0.076		 0.00 / 0.00
0.00		 0.00 / 0.00
0.00		 0 / 0
0
5/4/2026 02:15 51.3 / 52.5
-1.2		 66 / 61
5		 40.3 / 39.5
0.8		 2.0 / 2.9
-0.9		 S / SSW
29.831 / 29.905
-0.074		 0.00 / 0.00
0.00		 0.00 / 0.00
0.00		 0 / 0
0
5/4/2026 02:20 51.2 / 52.3
-1.1		 66 / 61
5		 40.2 / 39.3
0.9		 2.0 / 2.2
-0.2		 SSW / S
29.828 / 29.905
-0.077		 0.00 / 0.00
0.00		 0.00 / 0.00
0.00		 0 / 0
0
5/4/2026 02:25 51.3 / 52.3
-1.0		 66 / 61
5		 40.3 / 39.3
1.0		 3.0 / 2.7
0.3		 S / SW
29.830 / 29.902
-0.072		 0.00 / 0.00
0.00		 0.00 / 0.00
0.00		 0 / 0
0
5/4/2026 02:30 51.3 / 52.5
-1.2		 66 / 61
5		 40.3 / 39.5
0.8		 2.0 / 2.7
-0.7		 S / SW
29.825 / 29.902
-0.077		 0.00 / 0.00
0.00		 0.00 / 0.00
0.00		 0 / 0
0
5/4/2026 02:35 51.4 / 52.5
-1.1		 66 / 61
5		 40.4 / 39.5
0.9		 3.0 / 2.5
0.5		 S / S
29.824 / 29.899
-0.075		 0.00 / 0.00
0.00		 0.00 / 0.00
0.00		 0 / 0
0
5/4/2026 02:40 51.4 / 52.5
-1.1		 66 / 61
5		 40.4 / 39.5
0.9		 2.0 / 2.2
-0.2		 S / S
29.821 / 29.896
-0.075		 0.00 / 0.00
0.00		 0.00 / 0.00
0.00		 0 / 0
0
5/4/2026 02:45 51.3 / 52.5
-1.2		 66 / 61
5		 40.3 / 39.5
0.8		 2.0 / 1.8
0.2		 S / SSE
29.818 / 29.893
-0.075		 0.00 / 0.00
0.00		 0.00 / 0.00
0.00		 0 / 0
0
5/4/2026 02:50 51.3 / 52.3
-1.0		 66 / 62
4		 40.3 / 39.7
0.6		 2.0 / 2.0
0.0		 SSW / SSW
29.815 / 29.893
-0.078		 0.00 / 0.00
0.00		 0.00 / 0.00
0.00		 0 / 0
0
5/4/2026 02:55 51.2 / 52.3
-1.1		 66 / 62
4		 40.2 / 39.7
0.5		 2.0 / 1.8
0.2		 S / SW
29.814 / 29.890
-0.076		 0.00 / 0.00
0.00		 0.00 / 0.00
0.00		 0 / 0
0
5/4/2026 03:00 51.0 / 52.2
-1.2		 66 / 62
4		 40.0 / 39.5
0.5		 3.0 / 2.2
0.8		 S / SW
29.813 / 29.890
-0.077		 0.00 / 0.00
0.00		 0.00 / 0.00
0.00		 0 / 0
0
5/4/2026 03:05 50.9 / 52.2
-1.3		 67 / 62
5		 40.3 / 39.5
0.8		 2.0 / 2.2
-0.2		 S / S
29.810 / 29.887
-0.077		 0.00 / 0.00
0.00		 0.00 / 0.00
0.00		 0 / 0
0
5/4/2026 03:10 50.8 / 52.0
-1.2		 67 / 63
4		 40.2 / 39.8
0.4		 3.0 / 2.0
1.0		 S / WSW
29.810 / 29.887
-0.077		 0.00 / 0.00
0.00		 0.00 / 0.00
0.00		 0 / 0
0
5/4/2026 03:15 50.8 / 52.0
-1.2		 67 / 63
4		 40.2 / 39.8
0.4		 2.0 / 2.0
0.0		 S / SW
29.808 / 29.887
-0.079		 0.00 / 0.00
0.00		 0.00 / 0.00
0.00		 0 / 0
0
5/4/2026 03:20 50.8 / 52.0
-1.2		 67 / 63
4		 40.2 / 39.8
0.4		 3.0 / 2.7
0.3		 S / WSW
29.808 / 29.884
-0.076		 0.00 / 0.00
0.00		 0.00 / 0.00
0.00		 0 / 0
0
5/4/2026 03:25 50.8 / 52.0
-1.2		 67 / 63
4		 40.2 / 39.8
0.4		 4.0 / 2.5
1.5		 S / SW
29.807 / 29.884
-0.077		 0.00 / 0.00
0.00		 0.00 / 0.00
0.00		 0 / 0
0
5/4/2026 03:30 50.8 / 51.8
-1.0		 67 / 63
4		 40.2 / 39.6
0.6		 3.0 / 3.4
-0.4		 S / SSW
29.807 / 29.884
-0.077		 0.00 / 0.00
0.00		 0.00 / 0.00
0.00		 0 / 0
0
5/4/2026 03:35 50.7 / 51.8
-1.1		 67 / 64
3		 40.1 / 40.0
0.1		 3.0 / 2.2
0.8		 S / SSE
29.803 / 29.881
-0.078		 0.00 / 0.00
0.00		 0.00 / 0.00
0.00		 0 / 0
0
5/4/2026 03:40 50.6 / 51.6
-1.0		 68 / 64
4		 40.4 / 39.8
0.6		 3.0 / 2.2
0.8		 S / SSW
29.804 / 29.881
-0.077		 0.00 / 0.00
0.00		 0.00 / 0.00
0.00		 0 / 0
0
5/4/2026 03:45 50.6 / 51.6
-1.0		 67 / 63
4		 40.0 / 39.4
0.6		 3.0 / 1.6
1.4		 S / SSW
29.802 / 29.878
-0.076		 0.00 / 0.00
0.00		 0.00 / 0.00
0.00		 0 / 0
0
5/4/2026 03:50 50.6 / 51.6
-1.0		 68 / 64
4		 40.4 / 39.8
0.6		 3.0 / 1.6
1.4		 S / SSW
29.800 / 29.878
-0.078		 0.00 / 0.00
0.00		 0.00 / 0.00
0.00		 0 / 0
0
5/4/2026 03:55 50.6 / 51.6
-1.0		 68 / 64
4		 40.4 / 39.8
0.6		 3.0 / 2.5
0.5		 S / SSE
29.795 / 29.876
-0.081		 0.00 / 0.00
0.00		 0.00 / 0.00
0.00		 0 / 0
0
5/4/2026 04:00 50.6 / 51.6
-1.0		 68 / 64
4		 40.4 / 39.8
0.6		 4.0 / 2.2
1.8		 S / S
29.796 / 29.876
-0.080		 0.00 / 0.00
0.00		 0.00 / 0.00
0.00		 0 / 0
0
5/4/2026 04:05 50.6 / 51.8
-1.2		 68 / 64
4		 40.4 / 40.0
0.4		 3.0 / 2.2
0.8		 S / W
29.795 / 29.873
-0.078		 0.00 / 0.00
0.00		 0.00 / 0.00
0.00		 0 / 0
0
5/4/2026 04:10 50.6 / 51.8
-1.2		 68 / 64
4		 40.4 / 40.0
0.4		 4.0 / 2.0
2.0		 S / SW
29.794 / 29.873
-0.079		 0.00 / 0.00
0.00		 0.00 / 0.00
0.00		 0 / 0
0
5/4/2026 04:15 50.7 / 51.8
-1.1		 68 / 63
5		 40.5 / 39.6
0.9		 3.0 / 3.8
-0.8		 SSE / SSW
29.792 / 29.870
-0.078		 0.00 / 0.00
0.00		 0.00 / 0.00
0.00		 0 / 0
0
5/4/2026 04:20 50.8 / 51.8
-1.0		 68 / 64
4		 40.6 / 40.0
0.6		 4.0 / 2.7
1.3		 SSE / S
29.792 / 29.870
-0.078		 0.00 / 0.00
0.00		 0.00 / 0.00
0.00		 0 / 0
0
5/4/2026 04:25 50.8 / 51.8
-1.0		 68 / 64
4		 40.6 / 40.0
0.6		 4.0 / 3.1
0.9		 S / S
29.792 / 29.867
-0.075		 0.00 / 0.00
0.00		 0.00 / 0.00
0.00		 0 / 0
0
5/4/2026 04:30 50.8 / 51.8
-1.0		 68 / 64
4		 40.6 / 40.0
0.6		 4.0 / 3.4
0.6		 S / WSW
29.787 / 29.867
-0.080		 0.00 / 0.00
0.00		 0.00 / 0.00
0.00		 0 / 0
0
5/4/2026 04:35 50.7 / 51.8
-1.1		 68 / 65
3		 40.5 / 40.4
0.1		 3.0 / 2.2
0.8		 S / SSW
29.786 / 29.864
-0.078		 0.00 / 0.00
0.00		 0.00 / 0.00
0.00		 0 / 0
0
5/4/2026 04:40 50.6 / 51.6
-1.0		 69 / 65
4		 40.8 / 40.2
0.6		 3.0 / 2.5
0.5		 S / SSW
29.784 / 29.864
-0.080		 0.00 / 0.00
0.00		 0.00 / 0.00
0.00		 0 / 0
0
5/4/2026 04:45 50.6 / 51.6
-1.0		 69 / 65
4		 40.8 / 40.2
0.6		 4.0 / 2.7
1.3		 S / SSW
29.785 / 29.864
-0.079		 0.00 / 0.00
0.00		 0.00 / 0.00
0.00		 0 / 0
0
Average Diff --:-- -1.1 4.2 0.7 0.3 --- -0.076 0.00 --- 0

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Time: Mon 4-May-2026 at 05:08 EDT (Mon 4-May-2026 at 09:08 UTC) Page Modified: 5/4/2021 1:28:16 PM (PID:14)