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
7/9/2026 00:05 75.4 / 75.9
-0.5
82 / 88
-6
69.5 / 72.1
-2.6
0.0 / 0.0
0.0
--- / SW
29.954 / 29.994
-0.040
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
7/9/2026 00:10 75.3 / 75.9
-0.6
82 / 88
-6
69.4 / 72.1
-2.7
0.0 / 0.2
-0.2
--- / SSW
29.958 / 29.997
-0.039
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
7/9/2026 00:15 75.3 / 75.9
-0.6
82 / 88
-6
69.4 / 72.1
-2.7
0.0 / 0.2
-0.2
--- / WSW
29.957 / 29.997
-0.040
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
7/9/2026 00:20 75.2 / 75.9
-0.7
82 / 88
-6
69.3 / 72.1
-2.8
0.0 / 1.1
-1.1
--- / WSW
29.958 / 29.997
-0.039
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
7/9/2026 00:25 75.2 / 75.9
-0.7
82 / 88
-6
69.3 / 72.1
-2.8
0.0 / 0.0
0.0
--- / WSW
29.958 / 29.997
-0.039
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
7/9/2026 00:30 75.2 / 75.9
-0.7
82 / 88
-6
69.3 / 72.1
-2.8
0.0 / 0.0
0.0
--- / WSW
29.961 / 29.997
-0.036
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
7/9/2026 00:35 75.2 / 75.9
-0.7
82 / 89
-7
69.3 / 72.4
-3.1
0.0 / 0.9
-0.9
--- / WSW
29.959 / 29.997
-0.038
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
7/9/2026 00:40 75.3 / 75.9
-0.6
82 / 88
-6
69.4 / 72.1
-2.7
0.0 / 0.2
-0.2
--- / SW
29.961 / 29.997
-0.036
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
7/9/2026 00:45 75.2 / 75.9
-0.7
82 / 89
-7
69.3 / 72.4
-3.1
0.0 / 0.0
0.0
S / WNW
29.962 / 30.000
-0.038
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
7/9/2026 00:50 75.2 / 75.9
-0.7
82 / 89
-7
69.3 / 72.4
-3.1
0.0 / 0.2
-0.2
S / WSW
29.960 / 30.000
-0.040
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
7/9/2026 00:55 75.2 / 75.9
-0.7
82 / 89
-7
69.3 / 72.4
-3.1
0.0 / 0.2
-0.2
S / SW
29.959 / 29.997
-0.038
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
7/9/2026 01:00 75.2 / 75.9
-0.7
82 / 89
-7
69.3 / 72.4
-3.1
0.0 / 0.7
-0.7
S / SSW
29.959 / 29.997
-0.038
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
7/9/2026 01:05 75.1 / 75.9
-0.8
82 / 89
-7
69.2 / 72.4
-3.2
1.0 / 0.9
0.1
S / SW
29.956 / 29.994
-0.038
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
7/9/2026 01:10 75.1 / 75.7
-0.6
82 / 89
-7
69.2 / 72.3
-3.1
0.0 / 0.9
-0.9
WSW / SW
29.956 / 29.997
-0.041
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
7/9/2026 01:15 74.9 / 75.7
-0.8
82 / 89
-7
69.0 / 72.3
-3.3
1.0 / 0.2
0.8
WSW / SW
29.960 / 29.997
-0.037
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
7/9/2026 01:20 74.9 / 75.7
-0.8
83 / 89
-6
69.4 / 72.3
-2.9
0.0 / 0.4
-0.4
WSW / SW
29.958 / 29.994
-0.036
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
7/9/2026 01:25 74.9 / 75.7
-0.8
83 / 89
-6
69.4 / 72.3
-2.9
0.0 / 0.0
0.0
WSW / S
29.954 / 29.994
-0.040
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
7/9/2026 01:30 74.9 / 75.7
-0.8
83 / 89
-6
69.4 / 72.3
-2.9
1.0 / 1.1
-0.1
WSW / SW
29.955 / 29.994
-0.039
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
7/9/2026 01:35 74.8 / 75.7
-0.9
83 / 89
-6
69.3 / 72.3
-3.0
1.0 / 0.4
0.6
SW / SW
29.956 / 29.994
-0.038
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
7/9/2026 01:40 74.7 / 75.6
-0.9
83 / 89
-6
69.2 / 72.1
-2.9
2.0 / 1.8
0.2
SSE / S
29.958 / 29.994
-0.036
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
7/9/2026 01:45 74.6 / 75.6
-1.0
83 / 88
-5
69.1 / 71.8
-2.7
1.0 / 0.9
0.1
S / SW
29.956 / 29.994
-0.038
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
7/9/2026 01:50 74.5 / 75.4
-0.9
82 / 88
-6
68.6 / 71.6
-3.0
1.0 / 1.1
-0.1
S / WNW
29.957 / 29.997
-0.040
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
7/9/2026 01:55 74.0 / 75.0
-1.0
82 / 88
-6
68.2 / 71.2
-3.0
2.0 / 1.6
0.4
SSE / SW
29.961 / 30.000
-0.039
0.00 / 0.00
0.00
0.00 / 0.00
0.00
0 / 0
0
7/9/2026 02:00 73.4 / 74.5
-1.1
82 / 89
-7
67.6 / 71.0
-3.4
3.0 / 3.6
-0.6
S / WSW
29.967 / 30.005
-0.038
0.04 / 0.00
0.04
0.04 / 0.00
0.04
0 / 0
0
7/9/2026 02:05 73.0 / 73.8
-0.8
83 / 91
-8
67.5 / 71.0
-3.5
3.0 / 2.7
0.3
S / SSW
29.972 / 30.008
-0.036
0.08 / 0.00
0.08
0.12 / 0.00
0.12
0 / 0
0
7/9/2026 02:10 72.2 / 73.0
-0.8
83 / 91
-8
66.7 / 70.3
-3.6
3.0 / 2.5
0.5
S / SW
29.968 / 30.002
-0.034
0.11 / 0.00
0.11
0.23 / 0.00
0.23
0 / 0
0
7/9/2026 02:15 71.4 / 72.3
-0.9
83 / 92
-9
66.0 / 69.9
-3.9
3.0 / 1.6
1.4
SSW / WSW
29.962 / 30.000
-0.038
0.12 / 0.00
0.12
0.35 / 0.00
0.35
0 / 0
0
7/9/2026 02:20 71.0 / 71.8
-0.8
84 / 92
-8
65.9 / 69.3
-3.4
3.0 / 3.1
-0.1
S / NW
29.962 / 30.000
-0.038
0.12 / 0.00
0.12
0.47 / 0.00
0.47
0 / 0
0
7/9/2026 02:25 70.9 / 71.6
-0.7
84 / 93
-9
65.8 / 69.5
-3.7
3.0 / 2.0
1.0
S / SW
29.967 / 30.002
-0.035
0.12 / 0.00
0.12
0.59 / 0.00
0.59
0 / 0
0
7/9/2026 02:30 70.9 / 71.4
-0.5
85 / 93
-8
66.2 / 69.3
-3.1
2.0 / 2.7
-0.7
SSE / NE
29.964 / 30.002
-0.038
0.10 / 0.00
0.10
0.69 / 0.00
0.69
0 / 0
0
7/9/2026 02:35 70.8 / 71.4
-0.6
85 / 93
-8
66.1 / 69.3
-3.2
2.0 / 4.2
-2.2
SSE / NNE
29.964 / 30.000
-0.036
0.09 / 0.00
0.09
0.78 / 0.00
0.78
0 / 0
0
7/9/2026 02:40 70.7 / 71.4
-0.7
85 / 93
-8
66.0 / 69.3
-3.3
1.0 / 0.7
0.3
SSE / NNE
29.960 / 29.997
-0.037
0.07 / 0.00
0.07
0.85 / 0.00
0.85
0 / 0
0
7/9/2026 02:45 70.6 / 71.2
-0.6
85 / 93
-8
65.9 / 69.1
-3.2
1.0 / 0.9
0.1
SSW / NE
29.958 / 29.997
-0.039
0.06 / 0.00
0.06
0.91 / 0.00
0.91
0 / 0
0
7/9/2026 02:50 70.6 / 71.2
-0.6
85 / 93
-8
65.9 / 69.1
-3.2
0.0 / 0.9
-0.9
WSW / NE
29.960 / 29.997
-0.037
0.04 / 0.00
0.04
0.95 / 0.00
0.95
0 / 0
0
7/9/2026 02:55 70.4 / 71.1
-0.7
85 / 93
-8
65.7 / 68.9
-3.2
1.0 / 1.1
-0.1
S / SW
29.958 / 29.994
-0.036
0.02 / 0.00
0.02
0.97 / 0.00
0.97
0 / 0
0
7/9/2026 03:00 70.2 / 70.9
-0.7
85 / 93
-8
65.5 / 68.8
-3.3
1.0 / 1.3
-0.3
S / SW
29.956 / 29.994
-0.038
0.02 / 0.00
0.02
0.99 / 0.00
0.99
0 / 0
0
7/9/2026 03:05 70.0 / 70.7
-0.7
85 / 93
-8
65.3 / 68.6
-3.3
0.0 / 0.9
-0.9
S / SW
29.955 / 29.994
-0.039
0.01 / 0.00
0.01
1.00 / 0.00
1.00
0 / 0
0
7/9/2026 03:10 69.9 / 70.7
-0.8
85 / 93
-8
65.2 / 68.6
-3.4
1.0 / 1.3
-0.3
S / SW
29.957 / 29.994
-0.037
0.00 / 0.00
0.00
1.00 / 0.00
1.00
0 / 0
0
7/9/2026 03:15 69.8 / 70.5
-0.7
85 / 93
-8
65.1 / 68.4
-3.3
0.0 / 0.2
-0.2
S / N
29.956 / 29.994
-0.038
0.01 / 0.00
0.01
1.01 / 0.00
1.01
0 / 0
0
7/9/2026 03:20 69.9 / 70.5
-0.6
85 / 94
-9
65.2 / 68.7
-3.5
0.0 / 0.2
-0.2
S / NE
29.955 / 29.994
-0.039
0.00 / 0.00
0.00
1.01 / 0.00
1.01
0 / 0
0
7/9/2026 03:25 69.9 / 70.5
-0.6
85 / 94
-9
65.2 / 68.7
-3.5
0.0 / 0.2
-0.2
--- / E
29.957 / 29.994
-0.037
0.01 / 0.00
0.01
1.02 / 0.00
1.02
0 / 0
0
7/9/2026 03:30 69.9 / 70.5
-0.6
85 / 94
-9
65.2 / 68.7
-3.5
0.0 / 0.7
-0.7
--- / NNE
29.959 / 29.997
-0.038
0.01 / 0.00
0.01
1.03 / 0.00
1.03
0 / 0
0
7/9/2026 03:35 70.0 / 70.7
-0.7
86 / 94
-8
65.6 / 68.9
-3.3
0.0 / 0.0
0.0
--- / NNE
29.963 / 30.000
-0.037
0.01 / 0.00
0.01
1.04 / 0.00
1.04
0 / 0
0
7/9/2026 03:40 70.1 / 70.7
-0.6
86 / 94
-8
65.7 / 68.9
-3.2
0.0 / 0.2
-0.2
--- / NNE
29.965 / 30.000
-0.035
0.01 / 0.00
0.01
1.05 / 0.00
1.05
0 / 0
0
7/9/2026 03:45 70.2 / 70.7
-0.5
86 / 94
-8
65.8 / 68.9
-3.1
0.0 / 0.0
0.0
--- / NNW
29.967 / 30.002
-0.035
0.01 / 0.00
0.01
1.06 / 0.00
1.06
0 / 0
0
7/9/2026 03:50 70.3 / 70.9
-0.6
86 / 94
-8
65.9 / 69.1
-3.2
0.0 / 0.0
0.0
--- / N
29.964 / 30.000
-0.036
0.01 / 0.00
0.01
1.07 / 0.00
1.07
0 / 0
0
7/9/2026 03:55 70.4 / 70.9
-0.5
85 / 94
-9
65.7 / 69.1
-3.4
1.0 / 0.0
1.0
S / NNE
29.964 / 30.000
-0.036
0.01 / 0.00
0.01
1.08 / 0.00
1.08
0 / 0
0
7/9/2026 04:00 70.3 / 70.9
-0.6
86 / 94
-8
65.9 / 69.1
-3.2
0.0 / 0.0
0.0
--- / N
29.963 / 30.000
-0.037
0.00 / 0.00
0.00
1.08 / 0.00
1.08
0 / 0
0
7/9/2026 04:05 70.3 / 70.9
-0.6
86 / 94
-8
65.9 / 69.1
-3.2
0.0 / 0.0
0.0
--- / ENE
29.961 / 29.997
-0.036
0.01 / 0.00
0.01
1.09 / 0.00
1.09
0 / 0
0
7/9/2026 04:10 70.3 / 71.1
-0.8
86 / 94
-8
65.9 / 69.2
-3.3
0.0 / 0.0
0.0
S / N
29.957 / 29.997
-0.040
0.00 / 0.00
0.00
1.09 / 0.00
1.09
0 / 0
0
7/9/2026 04:15 70.4 / 71.1
-0.7
85 / 94
-9
65.7 / 69.2
-3.5
1.0 / 0.0
1.0
S / N
29.961 / 29.997
-0.036
0.00 / 0.00
0.00
1.09 / 0.00
1.09
0 / 0
0
7/9/2026 04:20 70.4 / 71.1
-0.7
85 / 94
-9
65.7 / 69.2
-3.5
0.0 / 0.0
0.0
S / N
29.956 / 29.994
-0.038
0.00 / 0.00
0.00
1.09 / 0.00
1.09
0 / 0
0
7/9/2026 04:25 70.4 / 71.1
-0.7
85 / 94
-9
65.7 / 69.2
-3.5
0.0 / 0.0
0.0
--- / N
29.954 / 29.991
-0.037
0.00 / 0.00
0.00
1.09 / 0.00
1.09
0 / 0
0
7/9/2026 04:30 70.3 / 71.1
-0.8
86 / 94
-8
65.9 / 69.2
-3.3
0.0 / 0.0
0.0
S / NNE
29.953 / 29.991
-0.038
0.00 / 0.00
0.00
1.09 / 0.00
1.09
0 / 0
0
7/9/2026 04:35 70.4 / 71.1
-0.7
86 / 94
-8
66.0 / 69.2
-3.2
0.0 / 0.0
0.0
S / NW
29.954 / 29.994
-0.040
0.00 / 0.00
0.00
1.09 / 0.00
1.09
0 / 0
0
7/9/2026 04:40 70.3 / 71.1
-0.8
86 / 94
-8
65.9 / 69.2
-3.3
0.0 / 0.0
0.0
S / NNE
29.953 / 29.991
-0.038
0.00 / 0.00
0.00
1.09 / 0.00
1.09
0 / 0
0
7/9/2026 04:45 70.3 / 71.1
-0.8
86 / 94
-8
65.9 / 69.2
-3.3
0.0 / 0.0
0.0
--- / NE
29.951 / 29.988
-0.037
0.00 / 0.00
0.00
1.09 / 0.00
1.09
0 / 0
0
7/9/2026 04:50 70.2 / 70.9
-0.7
86 / 94
-8
65.8 / 69.1
-3.3
0.0 / 0.2
-0.2
--- / NNW
29.950 / 29.988
-0.038
0.00 / 0.00
0.00
1.09 / 0.00
1.09
0 / 0
0
7/9/2026 04:55 70.1 / 70.9
-0.8
86 / 94
-8
65.7 / 69.1
-3.4
0.0 / 0.2
-0.2
--- / NE
29.950 / 29.988
-0.038
0.00 / 0.00
0.00
1.09 / 0.00
1.09
0 / 0
0
7/9/2026 05:00 70.1 / 70.7
-0.6
86 / 94
-8
65.7 / 68.9
-3.2
0.0 / 0.0
0.0
--- / NNW
29.949 / 29.985
-0.036
0.00 / 0.00
0.00
1.09 / 0.00
1.09
0 / 0
0
7/9/2026 05:05 70.0 / 70.7
-0.7
86 / 94
-8
65.6 / 68.9
-3.3
0.0 / 0.2
-0.2
--- / N
29.947 / 29.985
-0.038
0.00 / 0.00
0.00
1.09 / 0.00
1.09
0 / 0
0
7/9/2026 05:10 70.1 / 70.9
-0.8
86 / 94
-8
65.7 / 69.1
-3.4
0.0 / 0.0
0.0
--- / ENE
29.948 / 29.985
-0.037
0.00 / 0.00
0.00
1.09 / 0.00
1.09
0 / 0
0
7/9/2026 05:15 70.1 / 70.9
-0.8
86 / 94
-8
65.7 / 69.1
-3.4
0.0 / 0.0
0.0
--- / NNW
29.948 / 29.988
-0.040
0.00 / 0.00
0.00
1.09 / 0.00
1.09
0 / 0
0
7/9/2026 05:20 70.2 / 70.9
-0.7
86 / 94
-8
65.8 / 69.1
-3.3
0.0 / 0.2
-0.2
--- / NE
29.951 / 29.991
-0.040
0.00 / 0.00
0.00
1.09 / 0.00
1.09
0 / 0
0
7/9/2026 05:25 70.2 / 70.9
-0.7
86 / 94
-8
65.8 / 69.1
-3.3
0.0 / 0.4
-0.4
--- / WNW
29.951 / 29.991
-0.040
0.00 / 0.00
0.00
1.09 / 0.00
1.09
0 / 0
0
7/9/2026 05:30 70.2 / 71.1
-0.9
86 / 94
-8
65.8 / 69.2
-3.4
0.0 / 0.4
-0.4
--- / SW
29.952 / 29.991
-0.039
0.00 / 0.00
0.00
1.09 / 0.00
1.09
0 / 0
0
7/9/2026 05:35 70.2 / 71.1
-0.9
86 / 94
-8
65.8 / 69.2
-3.4
0.0 / 0.2
-0.2
--- / ENE
29.953 / 29.991
-0.038
0.00 / 0.00
0.00
1.09 / 0.00
1.09
0 / 0
0
7/9/2026 05:40 70.1 / 71.1
-1.0
86 / 94
-8
65.7 / 69.2
-3.5
0.0 / 0.0
0.0
--- / W
29.952 / 29.991
-0.039
0.00 / 0.00
0.00
1.09 / 0.00
1.09
0 / 0
0
7/9/2026 05:45 70.1 / 70.9
-0.8
86 / 95
-9
65.7 / 69.4
-3.7
0.0 / 0.0
0.0
--- / NW
29.949 / 29.988
-0.039
0.00 / 0.00
0.00
1.09 / 0.00
1.09
0 / 0
0
7/9/2026 05:50 70.0 / 70.9
-0.9
86 / 95
-9
65.6 / 69.4
-3.8
0.0 / 0.7
-0.7
--- / SW
29.949 / 29.988
-0.039
0.00 / 0.00
0.00
1.09 / 0.00
1.09
0 / 0
0
7/9/2026 05:55 70.0 / 70.9
-0.9
86 / 95
-9
65.6 / 69.4
-3.8
0.0 / 0.0
0.0
--- / SE
29.947 / 29.988
-0.041
0.00 / 0.00
0.00
1.09 / 0.00
1.09
0 / 0
0
7/9/2026 06:00 70.0 / 70.9
-0.9
86 / 95
-9
65.6 / 69.4
-3.8
0.0 / 0.0
0.0
S / SE
29.946 / 29.985
-0.039
0.00 / 0.00
0.00
1.09 / 0.00
1.09
0 / 0
0
7/9/2026 06:05 69.9 / 70.9
-1.0
86 / 95
-9
65.5 / 69.4
-3.9
1.0 / 0.4
0.6
S / WSW
29.947 / 29.988
-0.041
0.00 / 0.00
0.00
1.09 / 0.00
1.09
0 / 0
0
7/9/2026 06:10 69.9 / 70.7
-0.8
86 / 95
-9
65.5 / 69.2
-3.7
1.0 / 0.0
1.0
S / SE
29.947 / 29.985
-0.038
0.00 / 0.00
0.00
1.09 / 0.00
1.09
0 / 0
0
7/9/2026 06:15 69.9 / 70.7
-0.8
86 / 95
-9
65.5 / 69.2
-3.7
1.0 / 0.4
0.6
S / WSW
29.949 / 29.988
-0.039
0.00 / 0.00
0.00
1.09 / 0.00
1.09
0 / 1
-1
Average Diff --:-- -0.7 -7.7 -3.3 -0.1 --- -0.038 0.01 --- -0

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