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
9/25/2021 00:05 58.1 / 57.6
0.5
77 / 78
-1
50.9 / 50.8
0.1
0.0 / 2.0
-2.0
S / SSE
30.057 / 30.062
-0.005
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
9/25/2021 00:10 58.0 / 57.4
0.6
78 / 78
0
51.2 / 50.6
0.6
0.0 / 2.0
-2.0
S / SSE
30.057 / 30.062
-0.005
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
9/25/2021 00:15 57.9 / 57.2
0.7
78 / 79
-1
51.1 / 50.7
0.4
0.0 / 2.2
-2.2
S / SSE
30.056 / 30.062
-0.006
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
9/25/2021 00:20 57.8 / 57.2
0.6
78 / 79
-1
51.0 / 50.7
0.3
1.0 / 2.2
-1.2
S / SSE
30.054 / 30.059
-0.005
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
9/25/2021 00:25 57.9 / 57.4
0.5
78 / 78
0
51.1 / 50.6
0.5
1.0 / 2.7
-1.7
S / SSE
30.053 / 30.059
-0.006
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
9/25/2021 00:30 57.9 / 57.4
0.5
78 / 78
0
51.1 / 50.6
0.5
1.0 / 2.5
-1.5
S / S
30.050 / 30.056
-0.006
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
9/25/2021 00:35 57.8 / 57.6
0.2
78 / 78
0
51.0 / 50.8
0.2
1.0 / 2.9
-1.9
S / S
30.047 / 30.053
-0.006
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
9/25/2021 00:40 57.7 / 57.6
0.1
78 / 77
1
50.9 / 50.4
0.5
1.0 / 2.5
-1.5
S / SSE
30.044 / 30.053
-0.009
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
9/25/2021 00:45 57.7 / 57.7
0.0
78 / 77
1
50.9 / 50.6
0.3
1.0 / 1.8
-0.8
S / S
30.044 / 30.050
-0.006
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
9/25/2021 00:50 57.8 / 57.7
0.1
78 / 77
1
51.0 / 50.6
0.4
1.0 / 2.0
-1.0
S / SSE
30.045 / 30.050
-0.005
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
9/25/2021 00:55 57.9 / 57.7
0.2
78 / 76
2
51.1 / 50.2
0.9
1.0 / 2.5
-1.5
S / SSE
30.045 / 30.050
-0.005
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
9/25/2021 01:00 58.0 / 57.7
0.3
77 / 77
0
50.8 / 50.6
0.2
1.0 / 2.2
-1.2
SSW / S
30.043 / 30.050
-0.007
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
9/25/2021 01:05 58.0 / 57.6
0.4
77 / 77
0
50.8 / 50.4
0.4
2.0 / 2.0
0.0
SSW / S
30.043 / 30.050
-0.007
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
9/25/2021 01:10 58.0 / 57.6
0.4
77 / 76
1
50.8 / 50.0
0.8
1.0 / 3.1
-2.1
SSW / S
30.041 / 30.047
-0.006
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
9/25/2021 01:15 58.0 / 57.7
0.3
77 / 76
1
50.8 / 50.2
0.6
1.0 / 2.7
-1.7
SSW / S
30.040 / 30.044
-0.004
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
9/25/2021 01:20 57.9 / 57.7
0.2
77 / 76
1
50.7 / 50.2
0.5
1.0 / 2.7
-1.7
SSW / SSE
30.042 / 30.047
-0.005
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
9/25/2021 01:25 57.8 / 57.6
0.2
77 / 77
0
50.6 / 50.4
0.2
1.0 / 2.7
-1.7
SSW / SSE
30.036 / 30.044
-0.008
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
9/25/2021 01:30 57.8 / 57.6
0.2
78 / 78
0
51.0 / 50.8
0.2
1.0 / 2.2
-1.2
SSW / SSE
30.039 / 30.044
-0.005
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
9/25/2021 01:35 57.7 / 57.4
0.3
78 / 77
1
50.9 / 50.2
0.7
1.0 / 2.5
-1.5
SSW / SSE
30.038 / 30.044
-0.006
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
9/25/2021 01:40 57.6 / 57.4
0.2
78 / 77
1
50.8 / 50.2
0.6
1.0 / 2.9
-1.9
SSE / SSE
30.041 / 30.047
-0.006
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
9/25/2021 01:45 57.6 / 57.2
0.4
78 / 78
0
50.8 / 50.4
0.4
2.0 / 2.2
-0.2
S / SSE
30.040 / 30.047
-0.007
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
9/25/2021 01:50 57.5 / 57.0
0.5
78 / 78
0
50.7 / 50.2
0.5
1.0 / 2.2
-1.2
SE / S
30.041 / 30.050
-0.009
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
9/25/2021 01:55 57.5 / 57.0
0.5
78 / 79
-1
50.7 / 50.6
0.1
1.0 / 2.2
-1.2
SSE / SSE
30.044 / 30.050
-0.006
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
9/25/2021 02:00 57.3 / 56.8
0.5
78 / 80
-2
50.5 / 50.7
-0.2
1.0 / 1.8
-0.8
SSE / S
30.041 / 30.050
-0.009
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
9/25/2021 02:05 57.2 / 56.7
0.5
78 / 78
0
50.4 / 49.9
0.5
1.0 / 2.5
-1.5
SSE / SSE
30.040 / 30.047
-0.007
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
9/25/2021 02:10 57.2 / 56.7
0.5
79 / 80
-1
50.7 / 50.6
0.1
2.0 / 1.8
0.2
S / SSE
30.039 / 30.047
-0.008
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
9/25/2021 02:15 57.1 / 56.5
0.6
79 / 80
-1
50.6 / 50.4
0.2
1.0 / 1.6
-0.6
S / SSE
30.040 / 30.047
-0.007
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
9/25/2021 02:20 57.0 / 56.3
0.7
79 / 80
-1
50.5 / 50.2
0.3
1.0 / 1.8
-0.8
S / SSE
30.042 / 30.047
-0.005
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
9/25/2021 02:25 56.9 / 56.3
0.6
79 / 79
0
50.5 / 49.9
0.6
1.0 / 2.2
-1.2
S / S
30.041 / 30.047
-0.006
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
9/25/2021 02:30 56.8 / 56.3
0.5
79 / 80
-1
50.4 / 50.2
0.2
1.0 / 2.7
-1.7
S / S
30.041 / 30.047
-0.006
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
9/25/2021 02:35 56.7 / 56.3
0.4
79 / 80
-1
50.3 / 50.2
0.1
1.0 / 2.2
-1.2
S / S
30.041 / 30.050
-0.009
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
9/25/2021 02:40 56.6 / 56.1
0.5
79 / 81
-2
50.2 / 50.4
-0.2
1.0 / 1.8
-0.8
S / S
30.042 / 30.050
-0.008
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
9/25/2021 02:45 56.5 / 55.9
0.6
79 / 81
-2
50.1 / 50.2
-0.1
1.0 / 1.6
-0.6
S / SSE
30.043 / 30.053
-0.010
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
9/25/2021 02:50 56.4 / 55.8
0.6
80 / 81
-1
50.3 / 50.0
0.3
1.0 / 2.2
-1.2
S / SSE
30.043 / 30.053
-0.010
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
9/25/2021 02:55 56.2 / 55.9
0.3
79 / 82
-3
49.8 / 50.5
-0.7
0.0 / 2.0
-2.0
S / SSE
30.041 / 30.050
-0.009
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
9/25/2021 03:00 56.1 / 55.8
0.3
80 / 81
-1
50.0 / 50.0
0.0
0.0 / 2.0
-2.0
S / SSE
30.039 / 30.047
-0.008
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
9/25/2021 03:05 56.0 / 55.8
0.2
80 / 81
-1
49.9 / 50.0
-0.1
0.0 / 1.8
-1.8
S / SSE
30.039 / 30.047
-0.008
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
9/25/2021 03:10 55.9 / 55.8
0.1
80 / 81
-1
49.8 / 50.0
-0.2
0.0 / 2.5
-2.5
S / SSE
30.037 / 30.047
-0.010
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
9/25/2021 03:15 55.8 / 55.8
0.0
80 / 82
-2
49.7 / 50.3
-0.6
0.0 / 2.0
-2.0
S / S
30.036 / 30.044
-0.008
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
9/25/2021 03:20 55.7 / 55.6
0.1
80 / 82
-2
49.6 / 50.2
-0.6
1.0 / 2.2
-1.2
S / SSE
30.035 / 30.044
-0.009
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
9/25/2021 03:25 55.7 / 55.6
0.1
80 / 82
-2
49.6 / 50.2
-0.6
1.0 / 2.5
-1.5
S / SSE
30.031 / 30.044
-0.013
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
9/25/2021 03:30 55.6 / 55.4
0.2
80 / 82
-2
49.5 / 50.0
-0.5
1.0 / 2.2
-1.2
S / SSE
30.029 / 30.038
-0.009
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
9/25/2021 03:35 55.6 / 55.4
0.2
80 / 82
-2
49.5 / 50.0
-0.5
2.0 / 2.2
-0.2
S / SSE
30.029 / 30.038
-0.009
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
9/25/2021 03:40 55.7 / 55.4
0.3
80 / 82
-2
49.6 / 50.0
-0.4
2.0 / 1.8
0.2
SE / S
30.026 / 30.038
-0.012
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
9/25/2021 03:45 55.8 / 55.6
0.2
80 / 82
-2
49.7 / 50.2
-0.5
2.0 / 2.7
-0.7
S / SSE
30.024 / 30.035
-0.011
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
9/25/2021 03:50 55.9 / 55.8
0.1
80 / 81
-1
49.8 / 50.0
-0.2
2.0 / 2.7
-0.7
S / SSE
30.022 / 30.032
-0.010
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
9/25/2021 03:55 56.0 / 55.8
0.2
79 / 81
-2
49.6 / 50.0
-0.4
3.0 / 2.5
0.5
S / SSE
30.020 / 30.032
-0.012
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
9/25/2021 04:00 56.0 / 55.9
0.1
79 / 80
-1
49.6 / 49.9
-0.3
2.0 / 2.5
-0.5
SSW / SSE
30.019 / 30.029
-0.010
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
9/25/2021 04:05 56.1 / 55.9
0.2
79 / 80
-1
49.7 / 49.9
-0.2
1.0 / 2.5
-1.5
S / S
30.019 / 30.029
-0.010
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
9/25/2021 04:10 56.1 / 55.9
0.2
79 / 81
-2
49.7 / 50.2
-0.5
2.0 / 2.5
-0.5
S / SE
30.019 / 30.029
-0.010
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
9/25/2021 04:15 56.1 / 55.8
0.3
79 / 81
-2
49.7 / 50.0
-0.3
2.0 / 2.5
-0.5
S / SSE
30.019 / 30.029
-0.010
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
9/25/2021 04:20 56.0 / 55.8
0.2
79 / 81
-2
49.6 / 50.0
-0.4
1.0 / 2.0
-1.0
S / SSE
30.016 / 30.029
-0.013
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
9/25/2021 04:25 56.0 / 55.6
0.4
79 / 81
-2
49.6 / 49.8
-0.2
1.0 / 2.9
-1.9
S / SSE
30.015 / 30.029
-0.014
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
9/25/2021 04:30 55.9 / 55.6
0.3
79 / 81
-2
49.5 / 49.8
-0.3
2.0 / 2.7
-0.7
S / SSE
30.018 / 30.029
-0.011
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
9/25/2021 04:35 56.0 / 55.6
0.4
79 / 80
-1
49.6 / 49.5
0.1
3.0 / 2.2
0.8
S / SSE
30.017 / 30.029
-0.012
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
9/25/2021 04:40 56.0 / 55.6
0.4
79 / 81
-2
49.6 / 49.8
-0.2
2.0 / 2.9
-0.9
S / SSE
30.015 / 30.026
-0.011
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
9/25/2021 04:45 56.0 / 55.8
0.2
79 / 80
-1
49.6 / 49.7
-0.1
2.0 / 2.7
-0.7
SSE / SSE
30.012 / 30.026
-0.014
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
9/25/2021 04:50 56.0 / 55.9
0.1
79 / 80
-1
49.6 / 49.9
-0.3
2.0 / 2.5
-0.5
S / SSE
30.010 / 30.023
-0.013
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
9/25/2021 04:55 56.1 / 55.9
0.2
79 / 80
-1
49.7 / 49.9
-0.2
2.0 / 2.0
0.0
SSW / SSE
30.007 / 30.020
-0.013
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
9/25/2021 05:00 56.0 / 55.8
0.2
79 / 80
-1
49.6 / 49.7
-0.1
2.0 / 2.2
-0.2
S / SSE
30.004 / 30.017
-0.013
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
9/25/2021 05:05 56.0 / 55.8
0.2
79 / 80
-1
49.6 / 49.7
-0.1
2.0 / 2.5
-0.5
SSW / SSE
30.003 / 30.017
-0.014
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
9/25/2021 05:10 56.0 / 55.8
0.2
79 / 80
-1
49.6 / 49.7
-0.1
2.0 / 3.1
-1.1
S / SSE
30.004 / 30.017
-0.013
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
9/25/2021 05:15 55.9 / 55.6
0.3
79 / 81
-2
49.5 / 49.8
-0.3
3.0 / 2.5
0.5
S / SSE
30.003 / 30.014
-0.011
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
9/25/2021 05:20 55.9 / 55.6
0.3
80 / 80
0
49.8 / 49.5
0.3
1.0 / 2.0
-1.0
S / SSE
30.003 / 30.014
-0.011
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
9/25/2021 05:25 55.8 / 55.6
0.2
80 / 81
-1
49.7 / 49.8
-0.1
2.0 / 2.9
-0.9
S / SSE
30.002 / 30.014
-0.012
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
9/25/2021 05:30 55.7 / 55.4
0.3
80 / 81
-1
49.6 / 49.7
-0.1
2.0 / 2.5
-0.5
S / SSE
30.000 / 30.014
-0.014
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
9/25/2021 05:35 55.7 / no data 80 / no data 49.6 / no data 2.0 / no data SSW / no data 30.001 / no data 0.00 / no data 0.00 / no data 0 / no data
9/25/2021 05:40 55.7 / no data 80 / no data 49.6 / no data 2.0 / no data S / no data 30.001 / no data 0.00 / no data 0.00 / no data 0 / no data
9/25/2021 05:45 55.7 / no data 80 / no data 49.6 / no data 2.0 / no data S / no data 30.001 / no data 0.00 / no data 0.00 / no data 0 / no data
9/25/2021 05:50 55.8 / no data 80 / no data 49.7 / no data 2.0 / no data SSW / no data 30.004 / no data 0.00 / no data 0.00 / no data 0 / no data
Average Diff --:-- 0.3 -0.8 0.0 -1.1 --- -0.009 0.00 --- 0

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