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
2/14/2026 00:05 38.8 / 39.2
-0.4
68 / 67
1
29.1 / 29.2
-0.1
2.0 / 0.9
1.1
SSE / SSW
30.128 / 30.189
-0.061
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
2/14/2026 00:10 38.6 / 38.8
-0.2
68 / 67
1
28.9 / 28.8
0.1
2.0 / 1.1
0.9
SSE / SSW
30.127 / 30.189
-0.062
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
2/14/2026 00:15 38.4 / 38.7
-0.3
69 / 67
2
29.1 / 28.6
0.5
2.0 / 2.0
0.0
S / SSW
30.124 / 30.183
-0.059
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
2/14/2026 00:20 38.3 / 38.5
-0.2
69 / 68
1
29.0 / 28.8
0.2
1.0 / 1.8
-0.8
S / S
30.123 / 30.183
-0.060
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
2/14/2026 00:25 38.2 / 38.5
-0.3
69 / 67
2
28.9 / 28.5
0.4
2.0 / 1.3
0.7
S / SSW
30.122 / 30.183
-0.061
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
2/14/2026 00:30 38.1 / 38.7
-0.6
69 / 67
2
28.8 / 28.6
0.2
2.0 / 2.2
-0.2
S / SSW
30.118 / 30.180
-0.062
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
2/14/2026 00:35 38.0 / 38.5
-0.5
69 / 67
2
28.7 / 28.5
0.2
2.0 / 1.3
0.7
S / SSW
30.119 / 30.180
-0.061
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
2/14/2026 00:40 37.9 / 38.5
-0.6
69 / 67
2
28.6 / 28.5
0.1
2.0 / 2.5
-0.5
S / SSW
30.118 / 30.180
-0.062
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
2/14/2026 00:45 37.9 / 38.5
-0.6
69 / 67
2
28.6 / 28.5
0.1
2.0 / 1.1
0.9
SSE / S
30.117 / 30.177
-0.060
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
2/14/2026 00:50 37.9 / 38.5
-0.6
70 / 67
3
29.0 / 28.5
0.5
3.0 / 2.2
0.8
SSE / S
30.117 / 30.177
-0.060
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
2/14/2026 00:55 37.8 / 38.3
-0.5
70 / 67
3
28.9 / 28.3
0.6
2.0 / 1.8
0.2
S / SW
30.117 / 30.177
-0.060
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
2/14/2026 01:00 37.7 / 38.1
-0.4
70 / 68
2
28.8 / 28.5
0.3
2.0 / 2.0
0.0
S / W
30.117 / 30.177
-0.060
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
2/14/2026 01:05 37.7 / 37.8
-0.1
70 / 69
1
28.8 / 28.5
0.3
2.0 / 1.3
0.7
S / SSW
30.115 / 30.177
-0.062
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
2/14/2026 01:10 37.5 / 37.6
-0.1
70 / 69
1
28.6 / 28.3
0.3
1.0 / 0.2
0.8
S / SW
30.115 / 30.174
-0.059
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
2/14/2026 01:15 37.5 / 37.4
0.1
70 / 69
1
28.6 / 28.2
0.4
2.0 / 0.7
1.3
S / SSW
30.115 / 30.174
-0.059
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
2/14/2026 01:20 37.4 / 37.2
0.2
70 / 69
1
28.5 / 28.0
0.5
2.0 / 1.1
0.9
S / SW
30.115 / 30.177
-0.062
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
2/14/2026 01:25 37.3 / 37.0
0.3
70 / 70
0
28.4 / 28.2
0.2
1.0 / 0.2
0.8
SSE / SW
30.115 / 30.174
-0.059
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
2/14/2026 01:30 37.1 / 36.9
0.2
70 / 70
0
28.2 / 28.0
0.2
1.0 / 0.7
0.3
SSE / SSW
30.113 / 30.174
-0.061
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
2/14/2026 01:35 37.0 / 36.5
0.5
71 / 71
0
28.5 / 28.0
0.5
2.0 / 1.8
0.2
SSE / SSW
30.109 / 30.171
-0.062
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
2/14/2026 01:40 36.8 / 36.5
0.3
71 / 70
1
28.3 / 27.6
0.7
2.0 / 0.4
1.6
S / SSW
30.107 / 30.168
-0.061
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
2/14/2026 01:45 36.8 / 36.7
0.1
71 / 70
1
28.3 / 27.8
0.5
2.0 / 1.8
0.2
S / SW
30.106 / 30.168
-0.062
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
2/14/2026 01:50 36.9 / 36.7
0.2
71 / 70
1
28.4 / 27.8
0.6
2.0 / 1.6
0.4
S / SSW
30.105 / 30.168
-0.063
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
2/14/2026 01:55 36.6 / 36.5
0.1
71 / 71
0
28.1 / 28.0
0.1
2.0 / 0.9
1.1
S / SSW
30.108 / 30.171
-0.063
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
2/14/2026 02:00 36.6 / 36.3
0.3
72 / 71
1
28.4 / 27.8
0.6
1.0 / 0.4
0.6
S / S
30.108 / 30.168
-0.060
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
2/14/2026 02:05 36.6 / 36.3
0.3
72 / 71
1
28.4 / 27.8
0.6
2.0 / 1.3
0.7
S / S
30.107 / 30.171
-0.064
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
2/14/2026 02:10 36.5 / 36.1
0.4
72 / 72
0
28.3 / 28.0
0.3
2.0 / 0.7
1.3
S / SSW
30.107 / 30.168
-0.061
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
2/14/2026 02:15 36.5 / 36.0
0.5
72 / 72
0
28.3 / 27.8
0.5
1.0 / 0.7
0.3
S / SSW
30.106 / 30.168
-0.062
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
2/14/2026 02:20 36.3 / 35.8
0.5
72 / 73
-1
28.1 / 28.0
0.1
2.0 / 0.7
1.3
S / SSW
30.106 / 30.168
-0.062
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
2/14/2026 02:25 36.3 / 35.8
0.5
72 / 72
0
28.1 / 27.6
0.5
2.0 / 1.1
0.9
S / S
30.104 / 30.168
-0.064
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
2/14/2026 02:30 36.4 / 36.1
0.3
72 / 71
1
28.2 / 27.6
0.6
3.0 / 1.8
1.2
S / SSW
30.104 / 30.165
-0.061
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
2/14/2026 02:35 36.5 / 36.5
0.0
72 / 70
2
28.3 / 27.6
0.7
2.0 / 1.6
0.4
S / S
30.103 / 30.165
-0.062
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
2/14/2026 02:40 36.5 / 36.7
-0.2
72 / 70
2
28.3 / 27.8
0.5
2.0 / 1.6
0.4
S / S
30.100 / 30.162
-0.062
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
2/14/2026 02:45 36.4 / 36.5
-0.1
72 / 71
1
28.2 / 28.0
0.2
1.0 / 1.3
-0.3
S / SSW
30.098 / 30.159
-0.061
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
2/14/2026 02:50 36.2 / 36.3
-0.1
72 / 71
1
28.0 / 27.8
0.2
2.0 / 1.6
0.4
SSE / SSE
30.095 / 30.159
-0.064
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
2/14/2026 02:55 36.1 / 36.1
0.0
72 / 71
1
27.9 / 27.6
0.3
2.0 / 1.3
0.7
S / SSW
30.097 / 30.159
-0.062
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
2/14/2026 03:00 36.0 / 35.8
0.2
72 / 72
0
27.8 / 27.6
0.2
2.0 / 1.1
0.9
SSE / S
30.097 / 30.159
-0.062
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
2/14/2026 03:05 36.1 / 36.0
0.1
72 / 71
1
27.9 / 27.5
0.4
1.0 / 0.4
0.6
S / SSW
30.095 / 30.156
-0.061
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
2/14/2026 03:10 36.1 / 36.1
0.0
72 / 71
1
27.9 / 27.6
0.3
1.0 / 0.4
0.6
S / SSW
30.092 / 30.156
-0.064
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
2/14/2026 03:15 35.9 / 35.8
0.1
72 / 72
0
27.7 / 27.6
0.1
0.0 / 0.0
0.0
S / SW
30.091 / 30.153
-0.062
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
2/14/2026 03:20 35.6 / 35.2
0.4
72 / 73
-1
27.5 / 27.4
0.1
0.0 / 0.0
0.0
S / SSW
30.089 / 30.153
-0.064
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
2/14/2026 03:25 35.5 / 34.7
0.8
72 / 74
-2
27.4 / 27.3
0.1
0.0 / 0.2
-0.2
S / ESE
30.088 / 30.150
-0.062
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
2/14/2026 03:30 35.2 / 34.3
0.9
73 / 74
-1
27.4 / 26.9
0.5
0.0 / 0.0
0.0
S / SSW
30.088 / 30.150
-0.062
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
2/14/2026 03:35 35.0 / 34.0
1.0
73 / 75
-2
27.2 / 26.9
0.3
0.0 / 0.2
-0.2
S / SSW
30.088 / 30.150
-0.062
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
2/14/2026 03:40 34.9 / 33.8
1.1
73 / 75
-2
27.1 / 26.7
0.4
0.0 / 0.0
0.0
S / S
30.087 / 30.150
-0.063
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
2/14/2026 03:45 34.6 / 33.4
1.2
74 / 76
-2
27.2 / 26.7
0.5
0.0 / 0.2
-0.2
S / SW
30.086 / 30.150
-0.064
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
2/14/2026 03:50 34.6 / 33.4
1.2
74 / 76
-2
27.2 / 26.7
0.5
1.0 / 0.7
0.3
S / S
30.085 / 30.150
-0.065
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
2/14/2026 03:55 34.7 / 33.8
0.9
74 / 74
0
27.3 / 26.4
0.9
1.0 / 0.2
0.8
S / SSW
30.084 / 30.147
-0.063
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
2/14/2026 04:00 34.7 / 33.8
0.9
74 / 74
0
27.3 / 26.4
0.9
0.0 / 0.0
0.0
S / S
30.085 / 30.147
-0.062
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
2/14/2026 04:05 34.6 / 33.6
1.0
74 / 76
-2
27.2 / 26.9
0.3
1.0 / 0.2
0.8
S / S
30.083 / 30.147
-0.064
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
2/14/2026 04:10 34.5 / 33.6
0.9
74 / 75
-1
27.1 / 26.5
0.6
1.0 / 0.4
0.6
S / S
30.084 / 30.147
-0.063
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
2/14/2026 04:15 34.5 / 33.4
1.1
74 / 75
-1
27.1 / 26.4
0.7
0.0 / 0.4
-0.4
S / S
30.083 / 30.147
-0.064
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
2/14/2026 04:20 34.3 / 33.4
0.9
74 / 76
-2
26.9 / 26.7
0.2
0.0 / 0.7
-0.7
S / SSW
30.084 / 30.147
-0.063
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
2/14/2026 04:25 34.1 / 33.3
0.8
74 / 76
-2
26.7 / 26.5
0.2
0.0 / 0.0
0.0
S / SW
30.085 / 30.147
-0.062
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
2/14/2026 04:30 34.1 / 33.6
0.5
74 / 74
0
26.7 / 26.2
0.5
1.0 / 0.4
0.6
S / S
30.084 / 30.147
-0.063
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
2/14/2026 04:35 34.1 / 33.6
0.5
74 / 75
-1
26.7 / 26.5
0.2
0.0 / 0.0
0.0
S / S
30.082 / 30.144
-0.062
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
2/14/2026 04:40 34.2 / 33.8
0.4
74 / 74
0
26.8 / 26.4
0.4
0.0 / 1.3
-1.3
S / W
30.084 / 30.144
-0.060
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
2/14/2026 04:45 34.2 / 34.0
0.2
74 / 74
0
26.8 / 26.6
0.2
0.0 / 0.0
0.0
--- / SSW
30.083 / 30.144
-0.061
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
Average Diff --:-- 0.2 0.4 0.4 0.4 --- -0.062 0.00 --- 0

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