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
5/11/2026 00:05 57.8 / 57.2
0.6
57 / 58
-1
42.7 / 42.5
0.2
0.0 / 0.0
0.0
--- / WSW
30.031 / 30.129
-0.098
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
5/11/2026 00:10 57.7 / 57.0
0.7
57 / 58
-1
42.6 / 42.4
0.2
0.0 / 0.2
-0.2
N / NNW
30.033 / 30.132
-0.099
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
5/11/2026 00:15 57.5 / 57.0
0.5
58 / 58
0
42.8 / 42.4
0.4
0.0 / 0.0
0.0
N / NNE
30.032 / 30.129
-0.097
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
5/11/2026 00:20 57.4 / 56.8
0.6
58 / 59
-1
42.7 / 42.7
0.0
0.0 / 0.0
0.0
N / NNW
30.032 / 30.129
-0.097
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
5/11/2026 00:25 57.4 / 57.0
0.4
58 / 58
0
42.7 / 42.4
0.3
0.0 / 0.2
-0.2
N / NNW
30.033 / 30.132
-0.099
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
5/11/2026 00:30 57.3 / 57.2
0.1
59 / 58
1
43.1 / 42.5
0.6
0.0 / 0.0
0.0
NNW / N
30.034 / 30.132
-0.098
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
5/11/2026 00:35 57.3 / 57.2
0.1
58 / 58
0
42.6 / 42.5
0.1
0.0 / 0.0
0.0
NNW / N
30.032 / 30.132
-0.100
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
5/11/2026 00:40 57.3 / 57.0
0.3
58 / 59
-1
42.6 / 42.8
-0.2
0.0 / 0.0
0.0
--- / N
30.038 / 30.135
-0.097
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
5/11/2026 00:45 57.2 / 56.8
0.4
58 / 58
0
42.5 / 42.2
0.3
0.0 / 0.0
0.0
--- / NNE
30.036 / 30.138
-0.102
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
5/11/2026 00:50 57.1 / 56.7
0.4
58 / 59
-1
42.5 / 42.5
0.0
0.0 / 0.0
0.0
NNW / N
30.043 / 30.144
-0.101
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
5/11/2026 00:55 57.0 / 56.7
0.3
59 / 59
0
42.8 / 42.5
0.3
0.0 / 0.0
0.0
NNW / N
30.045 / 30.147
-0.102
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
5/11/2026 01:00 56.9 / 56.7
0.2
59 / 58
1
42.7 / 42.0
0.7
0.0 / 0.0
0.0
NNW / N
30.047 / 30.144
-0.097
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
5/11/2026 01:05 56.9 / 56.7
0.2
60 / 58
2
43.2 / 42.0
1.2
0.0 / 0.0
0.0
NNW / N
30.044 / 30.144
-0.100
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
5/11/2026 01:10 56.9 / 56.7
0.2
59 / 59
0
42.7 / 42.5
0.2
0.0 / 0.0
0.0
NE / WSW
30.048 / 30.147
-0.099
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
5/11/2026 01:15 56.9 / 56.5
0.4
59 / 59
0
42.7 / 42.3
0.4
0.0 / 0.0
0.0
--- / NNW
30.049 / 30.150
-0.101
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
5/11/2026 01:20 56.8 / 56.5
0.3
59 / 58
1
42.6 / 41.9
0.7
0.0 / 0.0
0.0
NE / N
30.052 / 30.150
-0.098
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
5/11/2026 01:25 56.8 / 56.5
0.3
59 / 59
0
42.6 / 42.3
0.3
0.0 / 0.0
0.0
--- / N
30.054 / 30.153
-0.099
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
5/11/2026 01:30 56.7 / 56.3
0.4
58 / 59
-1
42.1 / 42.1
0.0
0.0 / 0.0
0.0
NE / N
30.058 / 30.156
-0.098
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
5/11/2026 01:35 56.6 / 56.1
0.5
59 / 59
0
42.4 / 42.0
0.4
1.0 / 0.2
0.8
NE / W
30.060 / 30.156
-0.096
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
5/11/2026 01:40 56.6 / 56.7
-0.1
58 / 57
1
42.0 / 41.6
0.4
1.0 / 0.7
0.3
NNW / NNE
30.059 / 30.159
-0.100
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
5/11/2026 01:45 56.6 / 56.8
-0.2
58 / 57
1
42.0 / 41.8
0.2
1.0 / 0.7
0.3
NNW / NNW
30.059 / 30.156
-0.097
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
5/11/2026 01:50 56.7 / 57.0
-0.3
58 / 57
1
42.1 / 41.9
0.2
1.0 / 0.0
1.0
NNW / NNW
30.056 / 30.156
-0.100
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
5/11/2026 01:55 56.6 / 57.0
-0.4
58 / 57
1
42.0 / 41.9
0.1
1.0 / 0.4
0.6
NNW / NNE
30.061 / 30.159
-0.098
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
5/11/2026 02:00 56.5 / 56.8
-0.3
58 / 56
2
41.9 / 41.3
0.6
2.0 / 0.7
1.3
NNW / NNW
30.064 / 30.159
-0.095
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
5/11/2026 02:05 56.4 / 56.8
-0.4
57 / 55
2
41.3 / 40.8
0.5
2.0 / 0.9
1.1
NNW / NNW
30.063 / 30.162
-0.099
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
5/11/2026 02:10 56.3 / 56.7
-0.4
57 / 55
2
41.3 / 40.7
0.6
1.0 / 0.4
0.6
NNW / NNE
30.065 / 30.162
-0.097
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
5/11/2026 02:15 56.1 / 56.5
-0.4
58 / 56
2
41.5 / 41.0
0.5
0.0 / 0.2
-0.2
NNE / NNE
30.062 / 30.156
-0.094
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
5/11/2026 02:20 55.9 / 56.3
-0.4
57 / 56
1
40.9 / 40.8
0.1
1.0 / 0.2
0.8
NNW / NNW
30.062 / 30.162
-0.100
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
5/11/2026 02:25 55.8 / 56.1
-0.3
57 / 56
1
40.8 / 40.6
0.2
0.0 / 1.1
-1.1
NNW / NNE
30.064 / 30.162
-0.098
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
5/11/2026 02:31 55.7 / no data 57 / no data 40.7 / no data 0.0 / no data NE / no data 30.065 / no data 0.00 / no data 0.00 / no data 0 / no data
5/11/2026 02:35 55.6 / no data 56 / no data 40.1 / no data 0.0 / no data ENE / no data 30.066 / no data 0.00 / no data 0.00 / no data 0 / no data
5/11/2026 02:40 55.5 / no data 55 / no data 39.6 / no data 0.0 / no data ENE / no data 30.066 / no data 0.00 / no data 0.00 / no data 0 / no data
5/11/2026 02:45 55.4 / no data 54 / no data 39.0 / no data 0.0 / no data ENE / no data 30.062 / no data 0.00 / no data 0.00 / no data 0 / no data
Average Diff --:-- 0.1 0.4 0.3 0.2 --- -0.098 0.00 --- 0

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