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
6/6/2026 00:05 69.8 / 70.0
-0.2
71 / 68
3
60.0 / 58.9
1.1
1.0 / 0.2
0.8
S / SW
29.993 / 30.017
-0.024
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
6/6/2026 00:10 69.6 / 70.0
-0.4
72 / 68
4
60.2 / 58.9
1.3
1.0 / 0.9
0.1
S / SSW
29.992 / 30.014
-0.022
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
6/6/2026 00:15 69.4 / 70.0
-0.6
72 / 68
4
60.0 / 58.9
1.1
1.0 / 0.4
0.6
S / SSE
29.989 / 30.011
-0.022
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
6/6/2026 00:20 69.3 / 70.0
-0.7
72 / 68
4
59.9 / 58.9
1.0
1.0 / 0.4
0.6
S / SSW
29.988 / 30.014
-0.026
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
6/6/2026 00:25 69.2 / 70.0
-0.8
72 / 69
3
59.8 / 59.3
0.5
1.0 / 0.0
1.0
S / S
29.988 / 30.011
-0.023
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
6/6/2026 00:30 69.1 / 70.0
-0.9
73 / 69
4
60.1 / 59.3
0.8
0.0 / 0.2
-0.2
S / SSW
29.986 / 30.011
-0.025
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
6/6/2026 00:35 69.0 / 69.8
-0.8
74 / 69
5
60.4 / 59.2
1.2
0.0 / 0.0
0.0
S / WSW
29.987 / 30.011
-0.024
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
6/6/2026 00:40 68.8 / 69.6
-0.8
74 / 70
4
60.2 / 59.4
0.8
0.0 / 0.2
-0.2
S / SW
29.983 / 30.008
-0.025
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
6/6/2026 00:45 68.6 / 69.4
-0.8
74 / 72
2
60.0 / 60.0
0.0
0.0 / 0.2
-0.2
S / SSW
29.985 / 30.008
-0.023
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
6/6/2026 00:50 68.4 / 69.3
-0.9
74 / 69
5
59.8 / 58.7
1.1
1.0 / 0.7
0.3
S / SSW
29.983 / 30.008
-0.025
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
6/6/2026 00:55 68.2 / 69.3
-1.1
75 / 69
6
60.0 / 58.7
1.3
1.0 / 0.7
0.3
S / S
29.980 / 30.005
-0.025
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
6/6/2026 01:00 68.1 / 69.3
-1.2
75 / 69
6
59.9 / 58.7
1.2
1.0 / 1.3
-0.3
S / SSW
29.979 / 30.002
-0.023
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
6/6/2026 01:05 67.9 / 69.3
-1.4
75 / 70
5
59.7 / 59.1
0.6
1.0 / 0.4
0.6
S / SSW
29.982 / 30.005
-0.023
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
6/6/2026 01:10 67.9 / 69.1
-1.2
75 / 70
5
59.7 / 58.9
0.8
1.0 / 0.4
0.6
S / SSW
29.978 / 30.002
-0.024
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
6/6/2026 01:15 67.7 / 69.1
-1.4
75 / 70
5
59.5 / 58.9
0.6
1.0 / 1.3
-0.3
S / SSW
29.979 / 30.002
-0.023
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
6/6/2026 01:20 67.7 / 69.1
-1.4
75 / 69
6
59.5 / 58.5
1.0
1.0 / 1.6
-0.6
S / SSW
29.980 / 30.002
-0.022
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
6/6/2026 01:25 67.7 / 68.9
-1.2
75 / 70
5
59.5 / 58.7
0.8
1.0 / 0.2
0.8
S / SSW
29.977 / 30.002
-0.025
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
6/6/2026 01:30 67.7 / 68.9
-1.2
75 / 70
5
59.5 / 58.7
0.8
1.0 / 1.3
-0.3
S / SW
29.976 / 30.002
-0.026
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
6/6/2026 01:35 67.6 / 68.9
-1.3
75 / 70
5
59.4 / 58.7
0.7
1.0 / 0.4
0.6
S / SW
29.978 / 30.005
-0.027
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
6/6/2026 01:40 67.6 / 68.7
-1.1
75 / 70
5
59.4 / 58.5
0.9
1.0 / 0.4
0.6
SSE / SSW
29.982 / 30.005
-0.023
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
6/6/2026 01:45 67.6 / 68.7
-1.1
75 / 71
4
59.4 / 58.9
0.5
1.0 / 0.7
0.3
SSE / SSW
29.980 / 30.005
-0.025
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
6/6/2026 01:50 67.5 / 68.7
-1.2
75 / 70
5
59.3 / 58.5
0.8
1.0 / 0.0
1.0
SSE / S
29.980 / 30.005
-0.025
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
6/6/2026 01:55 67.3 / 68.5
-1.2
76 / 71
5
59.5 / 58.8
0.7
1.0 / 0.2
0.8
SSE / S
29.979 / 30.002
-0.023
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
6/6/2026 02:00 67.3 / 68.4
-1.1
76 / 71
5
59.5 / 58.6
0.9
1.0 / 0.4
0.6
SSE / S
29.980 / 30.002
-0.022
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
6/6/2026 02:05 67.3 / 68.4
-1.1
76 / 72
4
59.5 / 59.0
0.5
1.0 / 0.9
0.1
SSE / S
29.980 / 30.002
-0.022
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
6/6/2026 02:10 67.1 / 68.2
-1.1
76 / 73
3
59.3 / 59.2
0.1
1.0 / 0.7
0.3
SSE / SSW
29.978 / 30.002
-0.024
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
6/6/2026 02:15 67.0 / 68.0
-1.0
76 / 73
3
59.2 / 59.0
0.2
1.0 / 0.2
0.8
SSE / WSW
29.978 / 30.002
-0.024
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
6/6/2026 02:20 66.9 / 67.8
-0.9
77 / 73
4
59.5 / 58.8
0.7
1.0 / 1.1
-0.1
SSE / SW
29.977 / 30.002
-0.025
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
6/6/2026 02:25 66.9 / 67.8
-0.9
77 / 74
3
59.5 / 59.2
0.3
1.0 / 0.4
0.6
SSE / SSW
29.976 / 30.000
-0.024
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
6/6/2026 02:30 66.7 / 67.8
-1.1
77 / 74
3
59.3 / 59.2
0.1
1.0 / 0.4
0.6
SSE / SW
29.976 / 30.000
-0.024
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
6/6/2026 02:35 66.7 / 67.8
-1.1
77 / 74
3
59.3 / 59.2
0.1
1.0 / 1.3
-0.3
S / SW
29.974 / 30.000
-0.026
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
6/6/2026 02:40 66.6 / 67.6
-1.0
77 / 74
3
59.2 / 59.1
0.1
1.0 / 0.9
0.1
S / SW
29.975 / 30.000
-0.025
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
6/6/2026 02:45 66.6 / 67.6
-1.0
77 / 74
3
59.2 / 59.1
0.1
1.0 / 1.3
-0.3
S / SSW
29.978 / 30.002
-0.024
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
6/6/2026 02:50 66.6 / 67.5
-0.9
77 / 74
3
59.2 / 58.9
0.3
1.0 / 0.7
0.3
S / S
29.979 / 30.002
-0.023
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
6/6/2026 02:55 66.6 / 67.5
-0.9
78 / 75
3
59.5 / 59.3
0.2
1.0 / 0.7
0.3
S / S
29.979 / 30.002
-0.023
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
6/6/2026 03:00 66.5 / 67.5
-1.0
77 / 74
3
59.1 / 58.9
0.2
1.0 / 0.2
0.8
S / S
29.979 / 30.005
-0.026
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
6/6/2026 03:05 66.5 / 67.5
-1.0
77 / 75
2
59.1 / 59.3
-0.2
1.0 / 0.2
0.8
SSW / WSW
29.980 / 30.002
-0.022
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
6/6/2026 03:10 66.5 / 67.5
-1.0
77 / 76
1
59.1 / 59.6
-0.5
0.0 / 0.2
-0.2
SSW / SW
29.980 / 30.002
-0.022
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
6/6/2026 03:15 66.5 / 67.3
-0.8
77 / 75
2
59.1 / 59.1
0.0
1.0 / 0.4
0.6
SSW / SW
29.981 / 30.005
-0.024
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
6/6/2026 03:20 66.5 / 67.5
-1.0
77 / 74
3
59.1 / 58.9
0.2
1.0 / 0.9
0.1
SSW / SW
29.983 / 30.005
-0.022
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
6/6/2026 03:25 66.5 / 67.5
-1.0
77 / 75
2
59.1 / 59.3
-0.2
1.0 / 0.7
0.3
S / SW
29.983 / 30.008
-0.025
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
6/6/2026 03:30 66.5 / 67.5
-1.0
77 / 75
2
59.1 / 59.3
-0.2
1.0 / 0.9
0.1
S / SSW
29.984 / 30.005
-0.021
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
6/6/2026 03:35 66.5 / 67.5
-1.0
77 / 75
2
59.1 / 59.3
-0.2
1.0 / 1.1
-0.1
S / SSW
29.981 / 30.005
-0.024
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
6/6/2026 03:40 66.5 / 67.5
-1.0
77 / 75
2
59.1 / 59.3
-0.2
1.0 / 0.4
0.6
S / N
29.983 / 30.008
-0.025
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
6/6/2026 03:45 66.6 / 67.5
-0.9
78 / 75
3
59.5 / 59.3
0.2
2.0 / 0.9
1.1
SSE / WSW
29.985 / 30.008
-0.023
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
6/6/2026 03:50 66.7 / 67.6
-0.9
78 / 74
4
59.6 / 59.1
0.5
2.0 / 1.1
0.9
SSE / WSW
29.983 / 30.005
-0.022
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
6/6/2026 03:55 66.8 / 67.8
-1.0
77 / 74
3
59.4 / 59.2
0.2
1.0 / 1.8
-0.8
SSE / SSE
29.980 / 30.005
-0.025
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
6/6/2026 04:00 66.9 / 67.8
-0.9
77 / 74
3
59.5 / 59.2
0.3
2.0 / 1.3
0.7
SSE / SSW
29.977 / 30.002
-0.025
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
6/6/2026 04:05 66.9 / 67.8
-0.9
77 / 74
3
59.5 / 59.2
0.3
2.0 / 1.6
0.4
SSE / SSW
29.978 / 30.002
-0.024
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
6/6/2026 04:10 66.9 / 68.0
-1.1
77 / 74
3
59.5 / 59.4
0.1
1.0 / 1.3
-0.3
SSW / SSW
29.978 / 30.002
-0.024
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
6/6/2026 04:15 66.9 / 68.0
-1.1
77 / 74
3
59.5 / 59.4
0.1
2.0 / 1.6
0.4
SE / NNE
29.983 / 30.005
-0.022
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
6/6/2026 04:20 66.9 / 68.0
-1.1
77 / 74
3
59.5 / 59.4
0.1
2.0 / 1.8
0.2
SE / SW
29.980 / 30.005
-0.025
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
6/6/2026 04:25 67.0 / 68.0
-1.0
77 / 74
3
59.5 / 59.4
0.1
2.0 / 0.7
1.3
S / SW
29.982 / 30.005
-0.023
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
6/6/2026 04:30 67.1 / 68.0
-0.9
77 / 75
2
59.6 / 59.8
-0.2
2.0 / 0.7
1.3
S / WSW
29.980 / 30.005
-0.025
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
6/6/2026 04:35 67.1 / 68.0
-0.9
77 / 74
3
59.6 / 59.4
0.2
2.0 / 1.6
0.4
S / SSW
29.984 / 30.008
-0.024
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
6/6/2026 04:40 67.1 / 68.2
-1.1
77 / 74
3
59.6 / 59.6
0.0
2.0 / 1.6
0.4
S / E
29.981 / 30.005
-0.024
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
6/6/2026 04:45 67.2 / 68.2
-1.0
77 / 75
2
59.7 / 60.0
-0.3
1.0 / 1.8
-0.8
S / SSW
29.980 / 30.005
-0.025
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
6/6/2026 04:50 67.2 / 68.2
-1.0
77 / 74
3
59.7 / 59.6
0.1
2.0 / 1.1
0.9
SSE / SSW
29.980 / 30.005
-0.025
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
6/6/2026 04:55 67.3 / 68.4
-1.1
77 / 74
3
59.8 / 59.7
0.1
2.0 / 0.9
1.1
SSE / SW
29.980 / 30.005
-0.025
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
6/6/2026 05:00 67.3 / 68.4
-1.1
77 / 75
2
59.8 / 60.1
-0.3
2.0 / 1.1
0.9
SSW / SSW
29.981 / 30.005
-0.024
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
6/6/2026 05:05 67.4 / 68.4
-1.0
77 / 75
2
59.9 / 60.1
-0.2
2.0 / 1.3
0.7
S / WNW
29.982 / 30.008
-0.026
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
6/6/2026 05:10 67.4 / 68.4
-1.0
77 / 74
3
59.9 / 59.7
0.2
2.0 / 1.8
0.2
SSE / SSW
29.981 / 30.005
-0.024
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
6/6/2026 05:15 67.4 / 68.4
-1.0
77 / 74
3
59.9 / 59.7
0.2
2.0 / 1.8
0.2
SSE / SSW
29.977 / 30.002
-0.025
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
6/6/2026 05:20 67.4 / 68.4
-1.0
77 / 74
3
59.9 / 59.7
0.2
4.0 / 2.0
2.0
SSE / SW
29.977 / 30.002
-0.025
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
6/6/2026 05:25 67.4 / 68.4
-1.0
77 / 74
3
59.9 / 59.7
0.2
3.0 / 1.3
1.7
S / NNW
29.980 / 30.005
-0.025
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
6/6/2026 05:30 67.4 / 68.4
-1.0
77 / 75
2
59.9 / 60.1
-0.2
2.0 / 2.0
0.0
S / WSW
29.981 / 30.008
-0.027
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
6/6/2026 05:35 67.4 / 68.4
-1.0
77 / 74
3
59.9 / 59.7
0.2
2.0 / 2.2
-0.2
S / S
29.981 / 30.005
-0.024
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
6/6/2026 05:40 67.4 / 68.4
-1.0
77 / 75
2
59.9 / 60.1
-0.2
2.0 / 1.6
0.4
SSE / W
29.980 / 30.005
-0.025
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
6/6/2026 05:45 67.4 / 68.4
-1.0
77 / 75
2
59.9 / 60.1
-0.2
2.0 / 1.3
0.7
SSW / S
29.981 / 30.005
-0.024
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
6/6/2026 05:50 67.3 / 68.4
-1.1
77 / 74
3
59.8 / 59.7
0.1
2.0 / 1.3
0.7
S / SW
29.982 / 30.008
-0.026
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
6/6/2026 05:55 67.4 / 68.4
-1.0
77 / 75
2
59.9 / 60.1
-0.2
2.0 / 1.8
0.2
S / S
29.983 / 30.008
-0.025
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
6/6/2026 06:00 67.3 / 68.4
-1.1
78 / 75
3
60.2 / 60.1
0.1
2.0 / 0.7
1.3
SSE / SSE
29.984 / 30.008
-0.024
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
6/6/2026 06:05 67.3 / 68.4
-1.1
78 / 75
3
60.2 / 60.1
0.1
2.0 / 1.8
0.2
SSE / WSW
29.985 / 30.011
-0.026
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
6/6/2026 06:10 67.3 / 68.4
-1.1
77 / 75
2
59.8 / 60.1
-0.3
2.0 / 1.3
0.7
SSW / SSW
29.985 / 30.011
-0.026
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 1
-1
6/6/2026 06:15 67.4 / 68.4
-1.0
77 / 74
3
59.9 / 59.7
0.2
2.0 / 1.3
0.7
S / WNW
29.985 / 30.011
-0.026
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 1
-1
Average Diff --:-- -1.0 3.3 0.3 0.4 --- -0.024 0.00 --- -0

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