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
3/29/2026 00:05 39.6 / 40.5
-0.9
50 / 46
4
22.5 / 21.3
1.2
2.0 / 1.1
0.9
E / ESE
30.405 / 30.445
-0.040
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
3/29/2026 00:10 39.6 / 40.3
-0.7
50 / 46
4
22.5 / 21.1
1.4
2.0 / 0.7
1.3
E / ESE
30.404 / 30.445
-0.041
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
3/29/2026 00:15 39.5 / 40.1
-0.6
50 / 47
3
22.4 / 21.5
0.9
1.0 / 0.0
1.0
E / ESE
30.404 / 30.442
-0.038
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
3/29/2026 00:20 39.3 / 39.9
-0.6
50 / 47
3
22.2 / 21.3
0.9
1.0 / 0.2
0.8
E / ESE
30.403 / 30.442
-0.039
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
3/29/2026 00:25 39.2 / 39.6
-0.4
51 / 48
3
22.6 / 21.5
1.1
1.0 / 0.7
0.3
E / E
30.400 / 30.440
-0.040
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
3/29/2026 00:30 39.1 / 39.6
-0.5
51 / 47
4
22.5 / 21.0
1.5
1.0 / 0.7
0.3
E / ESE
30.402 / 30.440
-0.038
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
3/29/2026 00:35 39.0 / 39.6
-0.6
51 / 47
4
22.4 / 21.0
1.4
1.0 / 0.2
0.8
E / ESE
30.401 / 30.442
-0.041
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
3/29/2026 00:40 38.9 / 39.4
-0.5
51 / 47
4
22.3 / 20.8
1.5
1.0 / 0.4
0.6
E / E
30.405 / 30.442
-0.037
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
3/29/2026 00:45 38.7 / 39.4
-0.7
51 / 48
3
22.1 / 21.3
0.8
1.0 / 0.2
0.8
E / E
30.405 / 30.442
-0.037
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
3/29/2026 00:50 38.7 / 39.2
-0.5
51 / 48
3
22.1 / 21.1
1.0
1.0 / 0.0
1.0
E / NNW
30.401 / 30.442
-0.041
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
3/29/2026 00:55 38.6 / 38.7
-0.1
52 / 49
3
22.5 / 21.1
1.4
0.0 / 0.0
0.0
E / NNE
30.399 / 30.440
-0.041
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
3/29/2026 01:00 38.3 / 38.3
0.0
53 / 51
2
22.6 / 21.7
0.9
0.0 / 0.0
0.0
E / E
30.399 / 30.440
-0.041
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
3/29/2026 01:05 38.1 / 37.9
0.2
53 / 52
1
22.5 / 21.9
0.6
1.0 / 0.0
1.0
E / E
30.398 / 30.437
-0.039
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
3/29/2026 01:10 37.9 / 37.6
0.3
53 / 52
1
22.3 / 21.5
0.8
1.0 / 0.0
1.0
E / SE
30.397 / 30.437
-0.040
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
3/29/2026 01:15 37.9 / 37.6
0.3
53 / 51
2
22.3 / 21.1
1.2
1.0 / 0.2
0.8
E / S
30.395 / 30.437
-0.042
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
3/29/2026 01:20 37.8 / 37.4
0.4
53 / 51
2
22.2 / 20.9
1.3
1.0 / 0.4
0.6
E / E
30.396 / 30.437
-0.041
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
3/29/2026 01:25 37.7 / 37.4
0.3
53 / 51
2
22.1 / 20.9
1.2
1.0 / 0.0
1.0
E / ESE
30.395 / 30.434
-0.039
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
3/29/2026 01:30 37.6 / 37.4
0.2
53 / 52
1
22.0 / 21.4
0.6
1.0 / 0.0
1.0
E / ENE
30.397 / 30.437
-0.040
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
3/29/2026 01:35 37.6 / 37.2
0.4
53 / 51
2
22.0 / 20.7
1.3
1.0 / 0.0
1.0
E / SE
30.397 / 30.437
-0.040
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
3/29/2026 01:40 37.5 / 37.2
0.3
54 / 52
2
22.3 / 21.2
1.1
1.0 / 0.2
0.8
E / ESE
30.397 / 30.437
-0.040
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
3/29/2026 01:45 37.3 / 37.4
-0.1
54 / 51
3
22.2 / 20.9
1.3
1.0 / 1.3
-0.3
E / ESE
30.395 / 30.434
-0.039
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
3/29/2026 01:50 37.1 / 37.4
-0.3
55 / 51
4
22.4 / 20.9
1.5
1.0 / 0.9
0.1
E / SE
30.392 / 30.431
-0.039
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
3/29/2026 01:55 37.1 / 37.4
-0.3
54 / 51
3
22.0 / 20.9
1.1
1.0 / 0.2
0.8
E / ESE
30.388 / 30.428
-0.040
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
3/29/2026 02:00 37.0 / 37.2
-0.2
55 / 53
2
22.3 / 21.6
0.7
2.0 / 0.4
1.6
E / ESE
30.387 / 30.428
-0.041
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
3/29/2026 02:05 37.0 / 36.9
0.1
55 / 53
2
22.3 / 21.3
1.0
2.0 / 0.4
1.6
E / SE
30.384 / 30.422
-0.038
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
3/29/2026 02:10 36.9 / 36.7
0.2
55 / 54
1
22.2 / 21.6
0.6
2.0 / 0.2
1.8
E / SSE
30.379 / 30.419
-0.040
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
3/29/2026 02:15 36.8 / 36.5
0.3
55 / 54
1
22.1 / 21.4
0.7
2.0 / 0.4
1.6
E / SE
30.375 / 30.416
-0.041
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
3/29/2026 02:20 36.7 / 36.3
0.4
55 / 54
1
22.0 / 21.2
0.8
2.0 / 0.0
2.0
E / ESE
30.375 / 30.416
-0.041
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
3/29/2026 02:25 36.7 / 36.3
0.4
55 / 53
2
22.0 / 20.8
1.2
2.0 / 0.7
1.3
E / ESE
30.375 / 30.416
-0.041
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
3/29/2026 02:30 36.7 / 36.7
0.0
55 / 52
3
22.0 / 20.7
1.3
2.0 / 1.6
0.4
E / SE
30.375 / 30.416
-0.041
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
3/29/2026 02:35 36.6 / 36.9
-0.3
55 / 52
3
21.9 / 20.9
1.0
2.0 / 1.3
0.7
E / SE
30.373 / 30.413
-0.040
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
3/29/2026 02:40 36.6 / 36.9
-0.3
55 / 53
2
21.9 / 21.3
0.6
1.0 / 1.3
-0.3
E / SE
30.374 / 30.413
-0.039
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
3/29/2026 02:45 36.5 / 37.0
-0.5
55 / 52
3
21.8 / 21.0
0.8
1.0 / 1.3
-0.3
E / ESE
30.374 / 30.413
-0.039
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
3/29/2026 02:50 36.4 / 37.0
-0.6
56 / 52
4
22.2 / 21.0
1.2
1.0 / 1.3
-0.3
E / SE
30.373 / 30.413
-0.040
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
3/29/2026 02:55 36.4 / 37.0
-0.6
55 / 52
3
21.8 / 21.0
0.8
2.0 / 0.9
1.1
E / SE
30.372 / 30.413
-0.041
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
3/29/2026 03:00 36.3 / 36.9
-0.6
56 / 52
4
22.1 / 20.9
1.2
1.0 / 0.7
0.3
E / ENE
30.371 / 30.410
-0.039
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
3/29/2026 03:05 36.2 / 36.7
-0.5
56 / 52
4
22.0 / 20.7
1.3
1.0 / 0.7
0.3
E / E
30.371 / 30.410
-0.039
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
3/29/2026 03:10 36.0 / 36.5
-0.5
57 / 52
5
22.2 / 20.5
1.7
1.0 / 0.4
0.6
E / SE
30.368 / 30.410
-0.042
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
3/29/2026 03:15 35.9 / 36.5
-0.6
56 / 53
3
21.7 / 21.0
0.7
2.0 / 1.6
0.4
E / SE
30.365 / 30.404
-0.039
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
3/29/2026 03:20 35.8 / 36.5
-0.7
57 / 53
4
22.0 / 21.0
1.0
2.0 / 1.8
0.2
E / SE
30.361 / 30.401
-0.040
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
3/29/2026 03:25 35.8 / 36.7
-0.9
57 / 53
4
22.0 / 21.1
0.9
2.0 / 1.8
0.2
E / SE
30.358 / 30.398
-0.040
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
3/29/2026 03:30 35.9 / 36.7
-0.8
57 / 53
4
22.1 / 21.1
1.0
2.0 / 1.6
0.4
E / ESE
30.357 / 30.398
-0.041
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
3/29/2026 03:35 35.9 / 36.7
-0.8
57 / 53
4
22.1 / 21.1
1.0
2.0 / 2.0
0.0
E / SE
30.355 / 30.395
-0.040
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
3/29/2026 03:40 36.0 / 36.7
-0.7
57 / 53
4
22.2 / 21.1
1.1
2.0 / 1.6
0.4
E / SE
30.354 / 30.392
-0.038
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
3/29/2026 03:45 36.0 / 36.7
-0.7
57 / 53
4
22.2 / 21.1
1.1
2.0 / 2.9
-0.9
E / SE
30.347 / 30.389
-0.042
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
3/29/2026 03:50 35.9 / 36.7
-0.8
57 / 53
4
22.1 / 21.1
1.0
2.0 / 2.0
0.0
ESE / SE
30.348 / 30.386
-0.038
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
3/29/2026 03:55 35.8 / 36.7
-0.9
57 / 52
5
22.0 / 20.7
1.3
2.0 / 3.1
-1.1
ESE / ESE
30.345 / 30.386
-0.041
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
3/29/2026 04:00 35.8 / 36.7
-0.9
57 / 52
5
22.0 / 20.7
1.3
2.0 / 2.7
-0.7
ESE / E
30.342 / 30.383
-0.041
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
3/29/2026 04:05 35.8 / 36.9
-1.1
56 / 51
5
21.6 / 20.4
1.2
2.0 / 2.7
-0.7
ESE / SE
30.341 / 30.380
-0.039
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
3/29/2026 04:10 35.9 / 36.9
-1.0
56 / 52
4
21.7 / 20.9
0.8
3.0 / 3.8
-0.8
ESE / SE
30.338 / 30.378
-0.040
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
3/29/2026 04:15 36.0 / 36.9
-0.9
56 / 52
4
21.8 / 20.9
0.9
3.0 / 2.7
0.3
E / SE
30.332 / 30.375
-0.043
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
3/29/2026 04:20 36.1 / 37.0
-0.9
56 / 52
4
21.9 / 21.0
0.9
3.0 / 3.1
-0.1
E / SE
30.334 / 30.375
-0.041
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
3/29/2026 04:25 36.1 / 36.9
-0.8
56 / 51
5
21.9 / 20.4
1.5
3.0 / 3.1
-0.1
E / E
30.334 / 30.375
-0.041
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
3/29/2026 04:30 36.0 / 36.9
-0.9
56 / 52
4
21.8 / 20.9
0.9
3.0 / 2.7
0.3
ESE / SE
30.335 / 30.375
-0.040
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
3/29/2026 04:35 36.0 / 36.9
-0.9
56 / 52
4
21.8 / 20.9
0.9
2.0 / 2.7
-0.7
ESE / SE
30.331 / 30.375
-0.044
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
3/29/2026 04:40 36.0 / 36.9
-0.9
56 / 52
4
21.8 / 20.9
0.9
3.0 / 3.1
-0.1
E / SE
30.331 / 30.372
-0.041
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
3/29/2026 04:45 36.2 / 37.0
-0.8
55 / 51
4
21.6 / 20.6
1.0
3.0 / 3.6
-0.6
ESE / SE
30.328 / 30.372
-0.044
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
3/29/2026 04:50 36.3 / 37.2
-0.9
55 / 51
4
21.7 / 20.7
1.0
3.0 / 3.4
-0.4
ESE / ESE
30.328 / 30.369
-0.041
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
3/29/2026 04:55 36.4 / 37.2
-0.8
55 / 50
5
21.8 / 20.3
1.5
3.0 / 3.8
-0.8
ESE / SE
30.327 / 30.369
-0.042
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
3/29/2026 05:00 36.5 / 37.4
-0.9
55 / 51
4
21.8 / 20.9
0.9
3.0 / 3.8
-0.8
ESE / SSE
30.327 / 30.369
-0.042
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
3/29/2026 05:05 36.5 / 37.4
-0.9
55 / 50
5
21.8 / 20.4
1.4
3.0 / 3.1
-0.1
E / SE
30.327 / 30.369
-0.042
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
3/29/2026 05:10 36.6 / 37.4
-0.8
54 / 50
4
21.5 / 20.4
1.1
3.0 / 3.1
-0.1
E / SE
30.328 / 30.369
-0.041
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
3/29/2026 05:15 36.6 / 37.4
-0.8
55 / 50
5
21.9 / 20.4
1.5
2.0 / 3.1
-1.1
ESE / SE
30.328 / 30.369
-0.041
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
Average Diff --:-- -0.4 3.3 1.1 0.3 --- -0.040 0.00 --- 0

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