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
4/9/2026 00:05 57.4 / 58.5
-1.1
55 / 52
3
41.4 / 40.9
0.5
2.0 / 0.9
1.1
ESE / SSE
30.190 / 30.259
-0.069
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
4/9/2026 00:10 57.4 / 58.5
-1.1
55 / 53
2
41.4 / 41.4
0.0
2.0 / 0.9
1.1
E / SE
30.191 / 30.259
-0.068
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
4/9/2026 00:15 57.3 / 58.3
-1.0
55 / 53
2
41.3 / 41.2
0.1
2.0 / 1.8
0.2
ESE / S
30.189 / 30.259
-0.070
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
4/9/2026 00:20 57.2 / 58.3
-1.1
55 / 52
3
41.2 / 40.7
0.5
2.0 / 1.6
0.4
ESE / SSE
30.191 / 30.256
-0.065
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
4/9/2026 00:25 57.2 / 58.5
-1.3
55 / 52
3
41.2 / 40.9
0.3
2.0 / 2.0
0.0
ESE / SE
30.188 / 30.256
-0.068
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
4/9/2026 00:30 57.2 / 58.3
-1.1
55 / 52
3
41.2 / 40.7
0.5
2.0 / 2.9
-0.9
ESE / SSE
30.188 / 30.256
-0.068
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
4/9/2026 00:35 57.2 / 58.3
-1.1
55 / 52
3
41.2 / 40.7
0.5
2.0 / 2.7
-0.7
SE / SSE
30.186 / 30.253
-0.067
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
4/9/2026 00:40 57.2 / 58.5
-1.3
55 / 52
3
41.2 / 40.9
0.3
2.0 / 2.5
-0.5
ESE / SE
30.186 / 30.253
-0.067
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
4/9/2026 00:45 57.2 / 58.5
-1.3
55 / 52
3
41.2 / 40.9
0.3
3.0 / 2.0
1.0
ESE / SSE
30.185 / 30.253
-0.068
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
4/9/2026 00:50 57.2 / 58.5
-1.3
55 / 51
4
41.2 / 40.4
0.8
2.0 / 2.7
-0.7
ESE / SSE
30.185 / 30.253
-0.068
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
4/9/2026 00:55 57.2 / 58.5
-1.3
55 / 52
3
41.2 / 40.9
0.3
3.0 / 2.2
0.8
ESE / SSE
30.184 / 30.253
-0.069
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
4/9/2026 01:00 57.2 / 58.5
-1.3
55 / 51
4
41.2 / 40.4
0.8
3.0 / 2.5
0.5
ESE / SSE
30.183 / 30.253
-0.070
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
4/9/2026 01:05 57.2 / 58.5
-1.3
55 / 51
4
41.2 / 40.4
0.8
2.0 / 2.2
-0.2
SE / SSW
30.182 / 30.251
-0.069
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
4/9/2026 01:10 57.1 / 58.5
-1.4
55 / 51
4
41.1 / 40.4
0.7
3.0 / 2.5
0.5
SE / SSE
30.182 / 30.253
-0.071
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
4/9/2026 01:15 57.2 / 58.5
-1.3
55 / 51
4
41.2 / 40.4
0.8
3.0 / 2.0
1.0
ESE / SE
30.182 / 30.253
-0.071
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
4/9/2026 01:20 57.2 / 58.5
-1.3
54 / 51
3
40.7 / 40.4
0.3
3.0 / 2.7
0.3
SE / SSE
30.181 / 30.251
-0.070
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
4/9/2026 01:25 57.1 / 58.5
-1.4
55 / 51
4
41.1 / 40.4
0.7
3.0 / 1.8
1.2
ESE / SE
30.181 / 30.251
-0.070
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
4/9/2026 01:30 57.1 / 58.3
-1.2
55 / 51
4
41.1 / 40.2
0.9
3.0 / 2.2
0.8
ESE / SSE
30.180 / 30.251
-0.071
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
4/9/2026 01:35 56.9 / 58.1
-1.2
54 / 51
3
40.4 / 40.1
0.3
3.0 / 2.2
0.8
ESE / SSE
30.180 / 30.251
-0.071
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
4/9/2026 01:40 56.8 / 57.9
-1.1
55 / 52
3
40.8 / 40.4
0.4
2.0 / 2.5
-0.5
SE / SSE
30.178 / 30.251
-0.073
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
4/9/2026 01:45 56.6 / 57.9
-1.3
55 / 51
4
40.6 / 39.9
0.7
2.0 / 2.5
-0.5
ESE / SE
30.179 / 30.251
-0.072
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
4/9/2026 01:50 56.5 / 57.9
-1.4
56 / 51
5
41.0 / 39.9
1.1
2.0 / 2.5
-0.5
SE / SSE
30.179 / 30.251
-0.072
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
4/9/2026 01:55 56.4 / 57.9
-1.5
55 / 51
4
40.4 / 39.9
0.5
2.0 / 2.5
-0.5
ESE / SSE
30.178 / 30.251
-0.073
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
4/9/2026 02:00 56.5 / 57.7
-1.2
55 / 51
4
40.5 / 39.7
0.8
2.0 / 2.7
-0.7
SSE / SE
30.177 / 30.248
-0.071
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
4/9/2026 02:05 56.4 / 57.7
-1.3
55 / 52
3
40.4 / 40.2
0.2
2.0 / 1.8
0.2
SE / S
30.177 / 30.248
-0.071
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
4/9/2026 02:10 56.5 / 57.7
-1.2
55 / 51
4
40.5 / 39.7
0.8
2.0 / 1.3
0.7
SE / S
30.175 / 30.248
-0.073
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
4/9/2026 02:15 56.5 / 57.9
-1.4
54 / 51
3
40.0 / 39.9
0.1
2.0 / 2.7
-0.7
SSE / S
30.175 / 30.248
-0.073
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
4/9/2026 02:20 56.4 / 57.9
-1.5
55 / 51
4
40.4 / 39.9
0.5
2.0 / 2.5
-0.5
SSE / SE
30.175 / 30.248
-0.073
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
4/9/2026 02:25 56.3 / 57.7
-1.4
55 / 51
4
40.3 / 39.7
0.6
1.0 / 3.1
-2.1
SSE / SE
30.174 / 30.245
-0.071
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
4/9/2026 02:30 56.2 / 57.7
-1.5
55 / 51
4
40.2 / 39.7
0.5
2.0 / 2.2
-0.2
SE / SE
30.174 / 30.245
-0.071
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
4/9/2026 02:35 56.1 / 57.7
-1.6
55 / 51
4
40.1 / 39.7
0.4
1.0 / 1.3
-0.3
SE / S
30.174 / 30.245
-0.071
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
4/9/2026 02:40 56.1 / 57.6
-1.5
55 / 51
4
40.1 / 39.6
0.5
2.0 / 2.0
0.0
SE / SE
30.173 / 30.245
-0.072
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
4/9/2026 02:45 56.1 / 57.6
-1.5
55 / 52
3
40.1 / 40.1
0.0
2.0 / 2.5
-0.5
SE / SE
30.171 / 30.245
-0.074
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
4/9/2026 02:50 56.1 / 57.6
-1.5
55 / 53
2
40.1 / 40.5
-0.4
2.0 / 1.8
0.2
ESE / E
30.173 / 30.245
-0.072
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
4/9/2026 02:55 56.0 / 57.4
-1.4
56 / 52
4
40.5 / 39.9
0.6
2.0 / 2.9
-0.9
ESE / SE
30.174 / 30.245
-0.071
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
4/9/2026 03:00 56.0 / 57.6
-1.6
55 / 52
3
40.1 / 40.1
0.0
2.0 / 2.9
-0.9
SSE / S
30.174 / 30.248
-0.074
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
4/9/2026 03:05 56.1 / 57.6
-1.5
56 / 53
3
40.6 / 40.5
0.1
2.0 / 1.1
0.9
S / S
30.175 / 30.248
-0.073
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
4/9/2026 03:10 56.0 / 57.4
-1.4
56 / 54
2
40.5 / 40.9
-0.4
2.0 / 2.5
-0.5
S / S
30.175 / 30.248
-0.073
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
4/9/2026 03:15 55.9 / 57.2
-1.3
56 / 52
4
40.4 / 39.7
0.7
2.0 / 2.9
-0.9
SSE / SSW
30.174 / 30.248
-0.074
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
4/9/2026 03:20 56.0 / 57.4
-1.4
56 / 53
3
40.5 / 40.4
0.1
3.0 / 2.5
0.5
SSE / SW
30.174 / 30.248
-0.074
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
4/9/2026 03:25 56.1 / 57.4
-1.3
57 / 53
4
41.1 / 40.4
0.7
2.0 / 2.5
-0.5
SSE / SSE
30.175 / 30.251
-0.076
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
4/9/2026 03:30 56.1 / 57.4
-1.3
57 / 53
4
41.1 / 40.4
0.7
2.0 / 2.0
0.0
SSE / S
30.176 / 30.251
-0.075
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
4/9/2026 03:35 56.0 / 57.2
-1.2
57 / 54
3
41.0 / 40.7
0.3
2.0 / 2.2
-0.2
SSE / S
30.175 / 30.251
-0.076
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
4/9/2026 03:40 55.8 / 57.0
-1.2
58 / 54
4
41.2 / 40.5
0.7
2.0 / 3.8
-1.8
S / SSE
30.176 / 30.251
-0.075
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
4/9/2026 03:45 55.7 / 56.8
-1.1
58 / 55
3
41.1 / 40.8
0.3
3.0 / 2.5
0.5
SSE / SSW
30.179 / 30.253
-0.074
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
4/9/2026 03:50 55.7 / 56.8
-1.1
58 / 55
3
41.1 / 40.8
0.3
3.0 / 2.5
0.5
SSE / S
30.181 / 30.253
-0.072
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
4/9/2026 03:55 55.8 / 56.8
-1.0
58 / 55
3
41.2 / 40.8
0.4
3.0 / 3.4
-0.4
SSE / S
30.180 / 30.253
-0.073
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
4/9/2026 04:00 55.8 / 56.8
-1.0
59 / 55
4
41.7 / 40.8
0.9
4.0 / 2.7
1.3
S / SSE
30.178 / 30.253
-0.075
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
4/9/2026 04:05 55.7 / 56.7
-1.0
59 / 56
3
41.6 / 41.1
0.5
3.0 / 2.2
0.8
S / SSE
30.178 / 30.253
-0.075
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
4/9/2026 04:10 55.6 / 56.7
-1.1
59 / 56
3
41.5 / 41.1
0.4
4.0 / 3.1
0.9
S / S
30.180 / 30.253
-0.073
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
4/9/2026 04:15 55.6 / 56.5
-0.9
60 / 57
3
41.9 / 41.4
0.5
3.0 / 3.8
-0.8
SSE / SSW
30.180 / 30.253
-0.073
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
4/9/2026 04:20 55.5 / 56.5
-1.0
60 / 57
3
41.8 / 41.4
0.4
4.0 / 3.6
0.4
S / SSE
30.181 / 30.256
-0.075
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
4/9/2026 04:25 55.4 / 56.3
-0.9
60 / 58
2
41.7 / 41.7
0.0
3.0 / 2.9
0.1
SSE / SSE
30.182 / 30.256
-0.074
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
4/9/2026 04:30 55.2 / 56.1
-0.9
61 / 58
3
42.0 / 41.5
0.5
4.0 / 3.6
0.4
SSE / S
30.183 / 30.259
-0.076
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
4/9/2026 04:35 55.1 / 56.1
-1.0
61 / 58
3
41.9 / 41.5
0.4
3.0 / 3.8
-0.8
S / SW
30.187 / 30.262
-0.075
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
4/9/2026 04:40 55.0 / 56.1
-1.1
61 / 58
3
41.8 / 41.5
0.3
3.0 / 3.4
-0.4
S / S
30.187 / 30.262
-0.075
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
4/9/2026 04:45 55.0 / 56.1
-1.1
62 / 58
4
42.2 / 41.5
0.7
4.0 / 4.2
-0.2
SSE / SSW
30.189 / 30.262
-0.073
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
4/9/2026 04:50 54.9 / 55.9
-1.0
62 / 60
2
42.1 / 42.2
-0.1
4.0 / 3.1
0.9
SSE / SSW
30.190 / 30.265
-0.075
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
4/9/2026 04:55 54.8 / 55.8
-1.0
62 / 59
3
42.0 / 41.6
0.4
3.0 / 3.8
-0.8
SSE / S
30.191 / 30.265
-0.074
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
4/9/2026 05:00 54.7 / 55.8
-1.1
63 / 59
4
42.3 / 41.6
0.7
4.0 / 4.5
-0.5
S / S
30.190 / 30.268
-0.078
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
4/9/2026 05:05 54.6 / 55.6
-1.0
63 / 59
4
42.3 / 41.5
0.8
4.0 / 4.0
0.0
S / SSW
30.192 / 30.268
-0.076
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
4/9/2026 05:10 54.6 / 55.6
-1.0
63 / 60
3
42.3 / 41.9
0.4
5.0 / 3.1
1.9
SSE / SSW
30.195 / 30.268
-0.073
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
4/9/2026 05:15 54.5 / 55.4
-0.9
63 / 60
3
42.2 / 41.7
0.5
4.0 / 3.6
0.4
SSE / S
30.196 / 30.271
-0.075
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
Average Diff --:-- -1.2 3.3 0.4 0.0 --- -0.072 0.00 --- 0

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