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
5/15/2026 00:05 49.0 / 50.4
-1.4		 77 / 75
2		 42.1 / 42.7
-0.6		 0.0 / 0.2
-0.2		 NW / SW
29.992 / 30.073
-0.081		 0.00 / 0.00
0.00		 0.00 / 0.00
0.00		 0 / 0
0
5/15/2026 00:10 49.1 / 50.4
-1.3		 77 / 76
1		 42.2 / 43.1
-0.9		 0.0 / 0.2
-0.2		 NW / W
29.992 / 30.070
-0.078		 0.00 / 0.00
0.00		 0.00 / 0.00
0.00		 0 / 0
0
5/15/2026 00:15 49.2 / 50.2
-1.0		 77 / 75
2		 42.3 / 42.6
-0.3		 0.0 / 0.7
-0.7		 NW / WSW
29.991 / 30.070
-0.079		 0.00 / 0.00
0.00		 0.00 / 0.00
0.00		 0 / 0
0
5/15/2026 00:20 49.1 / 50.2
-1.1		 77 / 74
3		 42.2 / 42.2
0.0		 0.0 / 0.2
-0.2		 --- / WSW
29.992 / 30.070
-0.078		 0.00 / 0.00
0.00		 0.00 / 0.00
0.00		 0 / 0
0
5/15/2026 00:25 49.0 / 50.0
-1.0		 77 / 75
2		 42.1 / 42.4
-0.3		 0.0 / 0.0
0.0		 NW / SSW
29.994 / 30.073
-0.079		 0.00 / 0.00
0.00		 0.00 / 0.00
0.00		 0 / 0
0
5/15/2026 00:30 48.7 / 49.8
-1.1		 77 / 76
1		 41.8 / 42.6
-0.8		 0.0 / 0.7
-0.7		 --- / W
29.996 / 30.076
-0.080		 0.00 / 0.00
0.00		 0.00 / 0.00
0.00		 0 / 0
0
5/15/2026 00:35 48.6 / 49.5
-0.9		 77 / 77
0		 41.7 / 42.5
-0.8		 0.0 / 0.0
0.0		 NW / SW
29.995 / 30.073
-0.078		 0.00 / 0.00
0.00		 0.00 / 0.00
0.00		 0 / 0
0
5/15/2026 00:40 48.5 / 49.3
-0.8		 78 / 77
1		 42.0 / 42.4
-0.4		 0.0 / 0.4
-0.4		 --- / W
29.996 / 30.076
-0.080		 0.00 / 0.00
0.00		 0.00 / 0.00
0.00		 0 / 0
0
5/15/2026 00:45 48.3 / 49.1
-0.8		 78 / 78
0		 41.8 / 42.5
-0.7		 0.0 / 1.1
-1.1		 NW / SSW
30.000 / 30.079
-0.079		 0.00 / 0.00
0.00		 0.00 / 0.00
0.00		 0 / 0
0
5/15/2026 00:50 48.2 / 49.3
-1.1		 78 / 77
1		 41.7 / 42.4
-0.7		 0.0 / 0.7
-0.7		 --- / W
30.001 / 30.079
-0.078		 0.00 / 0.00
0.00		 0.00 / 0.00
0.00		 0 / 0
0
5/15/2026 00:55 48.2 / 49.3
-1.1		 78 / 78
0		 41.7 / 42.7
-1.0		 0.0 / 0.2
-0.2		 --- / SSE
30.001 / 30.079
-0.078		 0.00 / 0.00
0.00		 0.00 / 0.00
0.00		 0 / 0
0
5/15/2026 01:00 48.2 / 49.3
-1.1		 78 / 78
0		 41.7 / 42.7
-1.0		 0.0 / 0.2
-0.2		 --- / S
30.003 / 30.079
-0.076		 0.00 / 0.00
0.00		 0.00 / 0.00
0.00		 0 / 0
0
5/15/2026 01:05 48.1 / 49.1
-1.0		 78 / 78
0		 41.6 / 42.5
-0.9		 0.0 / 1.1
-1.1		 --- / S
30.003 / 30.079
-0.076		 0.00 / 0.00
0.00		 0.00 / 0.00
0.00		 0 / 0
0
5/15/2026 01:10 48.1 / 49.1
-1.0		 78 / 78
0		 41.6 / 42.5
-0.9		 0.0 / 1.6
-1.6		 --- / S
30.000 / 30.079
-0.079		 0.00 / 0.00
0.00		 0.00 / 0.00
0.00		 0 / 0
0
5/15/2026 01:15 47.9 / 48.9
-1.0		 78 / 77
1		 41.4 / 42.0
-0.6		 0.0 / 0.9
-0.9		 --- / SSW
30.001 / 30.076
-0.075		 0.00 / 0.00
0.00		 0.00 / 0.00
0.00		 0 / 0
0
5/15/2026 01:20 47.9 / 48.9
-1.0		 78 / 78
0		 41.4 / 42.4
-1.0		 0.0 / 2.0
-2.0		 --- / WNW
29.997 / 30.073
-0.076		 0.00 / 0.00
0.00		 0.00 / 0.00
0.00		 0 / 0
0
5/15/2026 01:25 47.9 / 48.7
-0.8		 78 / 78
0		 41.4 / 42.2
-0.8		 0.0 / 0.4
-0.4		 NW / SW
29.997 / 30.073
-0.076		 0.00 / 0.00
0.00		 0.00 / 0.00
0.00		 0 / 0
0
5/15/2026 01:30 47.8 / 48.6
-0.8		 78 / 78
0		 41.3 / 42.0
-0.7		 0.0 / 0.4
-0.4		 NW / W
29.994 / 30.073
-0.079		 0.00 / 0.00
0.00		 0.00 / 0.00
0.00		 0 / 0
0
5/15/2026 01:35 48.0 / 48.9
-0.9		 78 / 80
-2		 41.5 / 43.0
-1.5		 0.0 / 0.7
-0.7		 NW / WNW
29.993 / 30.070
-0.077		 0.00 / 0.00
0.00		 0.00 / 0.00
0.00		 0 / 0
0
5/15/2026 01:40 48.0 / 48.9
-0.9		 79 / 79
0		 41.8 / 42.7
-0.9		 0.0 / 1.3
-1.3		 NW / S
29.991 / 30.070
-0.079		 0.00 / 0.00
0.00		 0.00 / 0.00
0.00		 0 / 0
0
5/15/2026 01:45 48.1 / 48.7
-0.6		 78 / 78
0		 41.6 / 42.2
-0.6		 1.0 / 0.7
0.3		 NW / WNW
29.989 / 30.067
-0.078		 0.00 / 0.00
0.00		 0.00 / 0.00
0.00		 0 / 0
0
5/15/2026 01:50 48.2 / 48.7
-0.5		 78 / 80
-2		 41.7 / 42.8
-1.1		 0.0 / 1.3
-1.3		 NW / W
29.988 / 30.067
-0.079		 0.00 / 0.00
0.00		 0.00 / 0.00
0.00		 0 / 0
0
5/15/2026 01:55 48.1 / 48.7
-0.6		 78 / 81
-3		 41.6 / 43.2
-1.6		 0.0 / 1.6
-1.6		 NW / S
29.986 / 30.064
-0.078		 0.00 / 0.00
0.00		 0.00 / 0.00
0.00		 0 / 0
0
5/15/2026 02:00 47.9 / 48.6
-0.7		 79 / 81
-2		 41.7 / 43.0
-1.3		 0.0 / 1.3
-1.3		 NW / SSW
29.986 / 30.064
-0.078		 0.00 / 0.00
0.00		 0.00 / 0.00
0.00		 0 / 0
0
5/15/2026 02:05 47.6 / 48.2
-0.6		 79 / 80
-1		 41.4 / 42.3
-0.9		 0.0 / 0.7
-0.7		 NW / W
29.985 / 30.064
-0.079		 0.00 / 0.00
0.00		 0.00 / 0.00
0.00		 0 / 0
0
5/15/2026 02:10 47.6 / 48.2
-0.6		 79 / 80
-1		 41.4 / 42.3
-0.9		 0.0 / 0.4
-0.4		 NW / SW
29.984 / 30.062
-0.078		 0.00 / 0.00
0.00		 0.00 / 0.00
0.00		 0 / 0
0
5/15/2026 02:15 47.5 / 48.0
-0.5		 78 / 80
-2		 41.0 / 42.1
-1.1		 0.0 / 1.1
-1.1		 NW / S
29.982 / 30.062
-0.080		 0.00 / 0.00
0.00		 0.00 / 0.00
0.00		 0 / 0
0
5/15/2026 02:20 47.4 / 48.0
-0.6		 79 / 82
-3		 41.2 / 42.8
-1.6		 0.0 / 0.4
-0.4		 NW / SSW
29.980 / 30.059
-0.079		 0.00 / 0.00
0.00		 0.00 / 0.00
0.00		 0 / 0
0
5/15/2026 02:25 47.3 / 47.8
-0.5		 79 / 83
-4		 41.1 / 42.9
-1.8		 0.0 / 0.2
-0.2		 NW / SSW
29.979 / 30.059
-0.080		 0.00 / 0.00
0.00		 0.00 / 0.00
0.00		 0 / 0
0
5/15/2026 02:30 47.2 / 47.7
-0.5		 79 / 84
-5		 41.0 / 43.1
-2.1		 0.0 / 1.1
-1.1		 NW / WSW
29.979 / 30.059
-0.080		 0.00 / 0.00
0.00		 0.00 / 0.00
0.00		 0 / 0
0
5/15/2026 02:35 46.9 / 47.3
-0.4		 79 / 84
-5		 40.7 / 42.7
-2.0		 0.0 / 0.9
-0.9		 NW / W
29.980 / 30.059
-0.079		 0.00 / 0.00
0.00		 0.00 / 0.00
0.00		 0 / 0
0
5/15/2026 02:40 46.7 / 47.3
-0.6		 79 / 84
-5		 40.5 / 42.7
-2.2		 0.0 / 0.4
-0.4		 NW / WSW
29.978 / 30.059
-0.081		 0.00 / 0.00
0.00		 0.00 / 0.00
0.00		 0 / 0
0
5/15/2026 02:45 46.8 / 47.1
-0.3		 79 / 84
-5		 40.6 / 42.5
-1.9		 0.0 / 0.4
-0.4		 NW / SW
29.978 / 30.059
-0.081		 0.00 / 0.00
0.00		 0.00 / 0.00
0.00		 0 / 0
0
5/15/2026 02:50 46.7 / 47.1
-0.4		 79 / 84
-5		 40.5 / 42.5
-2.0		 0.0 / 0.7
-0.7		 NW / SW
29.979 / 30.056
-0.077		 0.00 / 0.00
0.00		 0.00 / 0.00
0.00		 0 / 0
0
5/15/2026 02:55 46.6 / 46.9
-0.3		 79 / 84
-5		 40.4 / 42.4
-2.0		 0.0 / 0.2
-0.2		 --- / SW
29.981 / 30.059
-0.078		 0.00 / 0.00
0.00		 0.00 / 0.00
0.00		 0 / 0
0
5/15/2026 03:00 46.6 / 46.9
-0.3		 80 / 84
-4		 40.8 / 42.4
-1.6		 0.0 / 0.7
-0.7		 NW / SW
29.978 / 30.056
-0.078		 0.00 / 0.00
0.00		 0.00 / 0.00
0.00		 0 / 0
0
5/15/2026 03:05 46.5 / 46.9
-0.4		 80 / 85
-5		 40.7 / 42.7
-2.0		 0.0 / 0.2
-0.2		 --- / SSW
29.979 / 30.059
-0.080		 0.00 / 0.00
0.00		 0.00 / 0.00
0.00		 0 / 0
0
5/15/2026 03:10 46.5 / 46.8
-0.3		 80 / 84
-4		 40.7 / 42.2
-1.5		 0.0 / 0.2
-0.2		 --- / SW
29.980 / 30.059
-0.079		 0.00 / 0.00
0.00		 0.00 / 0.00
0.00		 0 / 0
0
5/15/2026 03:15 46.4 / 46.8
-0.4		 80 / 84
-4		 40.6 / 42.2
-1.6		 0.0 / 0.2
-0.2		 NW / S
29.983 / 30.062
-0.079		 0.00 / 0.00
0.00		 0.00 / 0.00
0.00		 0 / 0
0
5/15/2026 03:20 46.1 / 46.8
-0.7		 80 / 84
-4		 40.3 / 42.2
-1.9		 0.0 / 1.1
-1.1		 NW / SW
29.983 / 30.062
-0.079		 0.00 / 0.00
0.00		 0.00 / 0.00
0.00		 0 / 0
0
5/15/2026 03:25 46.1 / 46.8
-0.7		 80 / 84
-4		 40.3 / 42.2
-1.9		 1.0 / 1.6
-0.6		 NW / SW
29.985 / 30.062
-0.077		 0.00 / 0.00
0.00		 0.00 / 0.00
0.00		 0 / 0
0
5/15/2026 03:30 46.3 / 46.9
-0.6		 80 / 84
-4		 40.5 / 42.4
-1.9		 0.0 / 0.9
-0.9		 NW / SW
29.983 / 30.062
-0.079		 0.00 / 0.00
0.00		 0.00 / 0.00
0.00		 0 / 0
0
5/15/2026 03:35 46.5 / 47.1
-0.6		 79 / 82
-3		 40.3 / 41.9
-1.6		 1.0 / 0.2
0.8		 NW / WNW
29.985 / 30.062
-0.077		 0.00 / 0.00
0.00		 0.00 / 0.00
0.00		 0 / 0
0
5/15/2026 03:40 46.7 / 47.3
-0.6		 79 / 81
-2		 40.5 / 41.8
-1.3		 1.0 / 1.1
-0.1		 NW / W
29.984 / 30.062
-0.078		 0.00 / 0.00
0.00		 0.00 / 0.00
0.00		 0 / 0
0
5/15/2026 03:45 46.9 / 47.7
-0.8		 78 / 80
-2		 40.4 / 41.8
-1.4		 1.0 / 1.6
-0.6		 NW / SSW
29.986 / 30.064
-0.078		 0.00 / 0.00
0.00		 0.00 / 0.00
0.00		 0 / 0
0
5/15/2026 03:50 47.2 / 47.7
-0.5		 78 / 79
-1		 40.7 / 41.5
-0.8		 1.0 / 1.1
-0.1		 NW / SSW
29.985 / 30.062
-0.077		 0.00 / 0.00
0.00		 0.00 / 0.00
0.00		 0 / 0
0
5/15/2026 03:55 47.4 / 48.0
-0.6		 78 / 79
-1		 40.9 / 41.8
-0.9		 1.0 / 1.3
-0.3		 NW / S
29.983 / 30.062
-0.079		 0.00 / 0.00
0.00		 0.00 / 0.00
0.00		 0 / 0
0
5/15/2026 04:00 47.5 / 48.0
-0.5		 77 / 77
0		 40.6 / 41.2
-0.6		 1.0 / 1.3
-0.3		 NW / SSW
29.985 / 30.064
-0.079		 0.00 / 0.00
0.00		 0.00 / 0.00
0.00		 0 / 0
0
5/15/2026 04:05 47.8 / 48.6
-0.8		 77 / 76
1		 40.9 / 41.3
-0.4		 1.0 / 1.3
-0.3		 NW / SW
29.989 / 30.067
-0.078		 0.00 / 0.00
0.00		 0.00 / 0.00
0.00		 0 / 0
0
5/15/2026 04:10 47.9 / 48.7
-0.8		 77 / 76
1		 41.0 / 41.5
-0.5		 1.0 / 1.8
-0.8		 NW / SW
29.988 / 30.067
-0.079		 0.00 / 0.00
0.00		 0.00 / 0.00
0.00		 0 / 0
0
5/15/2026 04:15 47.8 / 48.7
-0.9		 77 / 76
1		 40.9 / 41.5
-0.6		 1.0 / 1.6
-0.6		 NW / SSW
29.984 / 30.062
-0.078		 0.00 / 0.00
0.00		 0.00 / 0.00
0.00		 0 / 0
0
Average Diff --:-- -0.7 -1.4 -1.1 -0.6 --- -0.078 0.00 --- 0

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Time: Fri 15-May-2026 at 04:38 EDT (Fri 15-May-2026 at 08:38 UTC) Page Modified: 5/4/2021 1:28:16 PM (PID:14)