This table compares data from Davis Vantage Pro2 and WeatherFlow Tempest weather stations installed at my home.
The data entries list Davis / WeatherFlow / Difference.
| 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 |
7,589 Views
| 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) |