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
6/9/2026 00:05 71.1 / 72.0
-0.9
84 / 93
-9
66.0 / 69.8
-3.8
1.0 / 0.9
0.1
S / SSW
30.083 / 30.103
-0.020
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
6/9/2026 00:10 71.1 / 72.0
-0.9
84 / 93
-9
66.0 / 69.8
-3.8
1.0 / 0.0
1.0
S / SSW
30.080 / 30.103
-0.023
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
6/9/2026 00:15 71.0 / 71.8
-0.8
84 / 93
-9
65.9 / 69.6
-3.7
1.0 / 1.3
-0.3
S / SW
30.081 / 30.103
-0.022
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
6/9/2026 00:20 70.9 / 71.8
-0.9
84 / 94
-10
65.8 / 70.0
-4.2
1.0 / 1.3
-0.3
SSW / WSW
30.080 / 30.103
-0.023
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
6/9/2026 00:25 70.9 / 71.8
-0.9
84 / 94
-10
65.8 / 70.0
-4.2
1.0 / 0.0
1.0
S / SSW
30.080 / 30.103
-0.023
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
6/9/2026 00:30 70.8 / 71.6
-0.8
84 / 94
-10
65.7 / 69.8
-4.1
1.0 / 1.6
-0.6
S / SSE
30.080 / 30.103
-0.023
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
6/9/2026 00:35 70.8 / 71.6
-0.8
84 / 94
-10
65.7 / 69.8
-4.1
1.0 / 0.7
0.3
S / SW
30.076 / 30.100
-0.024
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
6/9/2026 00:40 70.7 / 71.6
-0.9
84 / 94
-10
65.6 / 69.8
-4.2
1.0 / 0.2
0.8
SSE / SSE
30.077 / 30.100
-0.023
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
6/9/2026 00:45 70.7 / 71.6
-0.9
85 / 94
-9
66.0 / 69.8
-3.8
1.0 / 1.3
-0.3
SSE / S
30.077 / 30.100
-0.023
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
6/9/2026 00:50 70.6 / 71.6
-1.0
84 / 94
-10
65.5 / 69.8
-4.3
1.0 / 0.7
0.3
SSE / S
30.076 / 30.100
-0.024
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
6/9/2026 00:55 70.6 / 71.6
-1.0
84 / 94
-10
65.5 / 69.8
-4.3
0.0 / 0.2
-0.2
SSE / S
30.076 / 30.097
-0.021
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
6/9/2026 01:00 70.5 / 71.4
-0.9
84 / 94
-10
65.4 / 69.6
-4.2
0.0 / 0.9
-0.9
SSE / SSE
30.075 / 30.097
-0.022
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
6/9/2026 01:05 70.4 / no data 84 / no data 65.3 / no data 0.0 / no data SSE / no data 30.074 / no data 0.00 / no data 0.00 / no data 0 / no data
6/9/2026 01:10 70.4 / no data 84 / no data 65.3 / no data 1.0 / no data SSE / no data 30.073 / no data 0.00 / no data 0.00 / no data 0 / no data
6/9/2026 01:15 70.3 / no data 84 / no data 65.2 / no data 0.0 / no data SSE / no data 30.073 / no data 0.00 / no data 0.00 / no data 0 / no data
Average Diff --:-- -0.9 -9.7 -4.1 0.1 --- -0.023 0.00 --- 0

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