Station: Portland Airport  
Atmospheric Gas Attenuation - ITU Rec 676-11
----------------- dB/100km -----------------
Date Time
Temp
RH %
AH g/m3
Dew Point
Wind Direction
Speed kph
Gust kph
Barometer mB
Rainfall Since 9am
24GHz
47GHz
76GHz
122GHz
134GHz
241GHz
21/09 04:20
9
78
6.88
5.4
24
35
1020.9
2.2
16.1
24.8
35.5
92.8
81.8
279.5
21/09 04:10
9.1
77
6.83
5.3
26
41
1020.7
2.2
16.0
24.6
35.2
92.1
81.0
276.8
21/09 04:00
9.5
71
6.46
4.5
24
32
1020.4
2.2
15.2
23.9
33.6
87.7
75.7
258.4
21/09 03:50
9.5
73
6.65
4.9
24
33
1020.3
2.2
15.6
24.2
34.3
89.7
78.2
267.0
21/09 03:40
9.1
74
6.57
4.7
20
37
1020.3
2.2
15.4
24.2
34.2
89.3
77.5
264.7
21/09 03:30
9.2
74
6.61
4.8
24
39
1020.3
2.2
15.5
24.2
34.3
89.6
78.0
266.2
21/09 03:20
9.1
81
7.19
6
24
37
1020.2
2.2
16.8
25.2
36.7
95.9
85.7
293.5
21/09 03:10
9.3
82
7.37
6.4
28
43
1020.1
2.2
17.2
25.4
37.3
97.6
87.9
301.2
21/09 03:00
9.5
80
7.28
6.2
20
35
1019.9
2.2
17.0
25.2
36.8
96.4
86.5
296.1
21/09 02:50
9.8
80
7.42
6.5
26
41
1019.9
2.2
17.2
25.4
37.3
97.5
88.0
301.5
21/09 02:40
9.8
79
7.33
6.3
24
35
1019.9
2.2
17.0
25.2
36.9
96.6
86.8
297.3
21/09 02:30
9.7
74
6.82
5.3
26
39
1019.8
2.2
16.0
24.4
34.9
91.2
80.2
274.0
21/09 02:20
9.5
74
6.74
5.1
22
33
1019.7
2.2
15.8
24.3
34.7
90.6
79.3
271.0
21/09 02:10
9.1
80
7.1
5.8
22
33
1019.7
2.2
16.6
25.0
36.3
94.9
84.5
289.1
21/09 02:00
9.1
82
7.28
6.2
28
41
1019.7
2.2
17.0
25.3
37.0
96.9
86.9
297.6
21/09 01:50
9.6
85
7.79
7.2
28
43
1019.6
2.2
18.0
26.0
38.9
101.8
93.2
319.8
21/09 01:40
9.7
81
7.47
6.6
24
35
1019.6
2.2
17.4
25.5
37.5
98.2
88.8
304.2
21/09 01:30
9.8
75
6.96
5.6
22
33
1019.4
2.2
16.3
24.6
35.4
92.5
81.9
280.0
21/09 01:20
9.7
74
6.82
5.3
24
35
1019.3
2.2
16.0
24.4
34.9
91.1
80.1
273.9
21/09 01:10
9.9
74
6.91
5.5
28
35
1019.1
2.2
16.1
24.5
35.1
91.9
81.1
277.3
21/09 01:00
9.6
77
7.06
5.8
28
43
1019
2.2
16.5
24.8
35.9
93.8
83.4
285.3
21/09 00:50
10.1
75
7.09
5.9
30
41
1018.9
2.2
16.5
24.7
35.8
93.5
83.2
284.8
21/09 00:40
10.1
77
7.28
6.3
33
41
1018.7
2.2
16.9
25.0
36.5
95.5
85.7
293.6
21/09 00:30
10.5
72
6.98
5.7
37
50
1018.5
2.2
16.3
24.4
35.1
91.8
81.3
278.2
21/09 00:20
10.4
72
6.94
5.6
30
41
1018.4
2.2
16.2
24.4
35.0
91.5
80.9
276.7
21/09 00:10
10.3
71
6.8
5.3
30
46
1018.2
2.2
15.9
24.2
34.5
90.1
79.2
270.7
21/09 00:00
10.5
70
6.79
5.3
33
46
1018.1
2.2
15.9
24.1
34.4
89.8
78.8
269.5
20/09 23:50
10.5
74
7.18
6.1
30
43
1017.9
2.2
16.7
24.7
35.9
93.9
83.9
287.3
20/09 23:40
10.5
77
7.47
6.6
32
44
1017.9
2.2
17.3
25.2
37.1
97.0
87.8
300.7
20/09 23:30
10.7
76
7.47
6.6
33
43
1017.6
2.2
17.3
25.1
36.9
96.7
87.5
299.9
20/09 23:20
10.7
76
7.47
6.6
32
46
1017.7
2.2
17.3
25.1
36.9
96.7
87.5
299.9
20/09 23:10
10.8
79
7.81
7.3
33
48
1017.5
2.2
18.0
25.6
38.3
100.3
91.9
315.3
20/09 23:00
11.2
77
7.81
7.3
35
50
1017.1
2.2
18.0
25.5
38.1
99.7
91.4
313.6
20/09 22:50
11.2
79
8.01
7.7
35
50
1017.1
2.2
18.4
25.8
38.9
101.9
94.1
323.0
20/09 22:40
11.1
80
8.06
7.8
30
39
1017
2.2
18.6
25.9
39.1
102.6
94.9
325.7
20/09 22:30
11.2
81
8.21
8.1
30
43
1016.7
2.2
18.9
26.1
39.7
104.0
96.7
332.3
20/09 22:20
11
81
8.11
7.9
30
44
1016.7
2.2
18.7
26.0
39.4
103.2
95.6
328.4
20/09 22:10
11.4
78
8.01
7.7
35
54
1016.5
2.2
18.4
25.8
38.7
101.6
93.8
322.0
20/09 22:00
11.4
83
8.52
8.6
32
46
1016.4
2.2
19.5
26.6
40.8
107.1
100.7
346.1
20/09 21:50
11.6
83
8.63
8.8
33
48
1016.2
2.2
19.8
26.7
41.2
108.1
101.9
350.4
20/09 21:40
11.7
83
8.68
8.9
33
46
1015.9
2.2
19.9
26.7
41.3
108.5
102.4
352.3
20/09 21:30
11.8
86
9.05
9.5
35
50
1015.6
2.2
20.7
27.3
42.8
112.4
107.3
369.5
20/09 21:20
11.8
91
9.58
10.4
32
44
1015.6
2.2
21.8
28.2
45.1
118.4
114.7
395.4
20/09 21:10
11.6
90
9.36
10
33
46
1015.3
2.2
21.3
27.9
44.2
116.2
111.9
385.5
20/09 21:00
11.6
94
9.77
10.7
33
46
1015
2.2
22.2
28.6
46.0
120.8
117.7
405.6
20/09 20:50
11.6
96
9.98
11
37
48
1015.1
2
22.7
29.0
46.9
123.3
120.7
416.1
20/09 20:40
11.6
96
9.98
11
41
63
1014.8
2
22.7
29.0
46.9
123.2
120.7
416.0
20/09 20:30
13
94
10.66
12.1
39
57
1014.2
1.4
24.1
29.7
48.9
128.8
128.1
442.1
20/09 20:20
13.2
93
10.68
12.1
35
52
1014.1
1
24.1
29.6
48.9
128.7
128.0
442.0
20/09 20:10
13.3
93
10.75
12.2
35
48
1013.9
1
24.2
29.7
49.1
129.3
128.8
444.8
20/09 20:00
13.1
93
10.61
12
32
43
1013.7
1
23.9
29.5
48.6
128.0
127.1
438.9
20/09 19:50
12.9
94
10.6
12
35
48
1013.5
1
23.9
29.6
48.7
128.2
127.3
439.5
20/09 19:40
13.1
96
10.96
12.5
37
57
1013.4
1
24.7
30.1
50.2
132.1
132.2
456.4
20/09 19:30
13.1
96
10.96
12.5
35
50
1013.3
1
24.7
30.1
50.2
132.1
132.1
456.4
20/09 19:20
13
94
10.66
12.1
39
54
1013
1
24.1
29.6
48.9
128.7
128.0
441.7
20/09 19:10
13.2
93
10.68
12.1
35
52
1012.9
1
24.1
29.6
48.8
128.6
127.9
441.5
20/09 19:00
13
93
10.55
11.9
37
48
1012.7
1
23.8
29.4
48.4
127.4
126.3
436.1
20/09 18:50
12.7
96
10.69
12.1
41
54
1012.6
1
24.1
29.8
49.2
129.5
128.9
444.8
20/09 18:40
12.7
96
10.69
12.1
43
69
1012.5
1
24.1
29.8
49.2
129.5
128.8
444.8
20/09 18:30
13.5
95
11.11
12.7
37
50
1012.2
0.4
25.0
30.2
50.5
133.0
133.5
461.2
20/09 18:20
13.5
96
11.23
12.9
37
57
1012
0.4
25.3
30.4
51.0
134.4
135.2
467.2
20/09 18:10
13.6
93
10.95
12.5
39
52
1011.8
0.4
24.6
29.9
49.7
130.9
131.0
452.4
20/09 18:00
13.8
91
10.84
12.4
39
61
1011.5
0
24.4
29.6
49.1
129.2
129.0
445.6
20/09 17:50
13.9
89
10.67
12.1
41
61
1011.2
0
24.0
29.3
48.3
127.1
126.4
436.5
20/09 17:40
14.1
90
10.92
12.5
41
57
1011.2
0
24.6
29.6
49.2
129.6
129.6
447.7
20/09 17:30
13.9
91
10.91
12.5
41
57
1010.9
0
24.5
29.7
49.3
129.8
129.8
448.3
20/09 17:20
13.7
93
11.01
12.6
44
63
1010.8
0
24.8
29.9
49.9
131.3
131.6
454.4
20/09 17:10
13.9
94
11.27
13
43
63
1010.7
0
25.3
30.3
50.9
134.0
135.0
466.3
20/09 17:00
14.6
88
11.01
12.6
48
65
1010.6
0
24.7
29.6
49.3
129.8
130.0
449.1
20/09 16:50
15.4
80
10.51
12
43
57
1010.3
0
23.6
28.5
46.6
122.7
121.6
420.0
20/09 16:40
15.3
80
10.45
11.9
39
59
1010.2
0
23.5
28.4
46.4
122.2
121.0
417.7
20/09 16:30
15.7
77
10.3
11.7
41
61
1010.2
0
23.1
28.0
45.6
119.9
118.3
408.3
20/09 16:20
15.8
76
10.23
11.6
43
65
1010.1
0
23.0
27.8
45.2
119.0
117.2
404.5
20/09 16:10
16.1
76
10.42
11.9
44
67
1010
0
23.4
28.1
45.8
120.6
119.3
411.9
20/09 16:00
15.9
74
10.02
11.3
52
76
1009.7
0
22.5
27.4
44.3
116.5
114.1
393.9
20/09 15:50
16
72
9.81
11
54
82
1009.5
0
22.1
27.1
43.4
114.0
111.2
383.5
20/09 15:40
16.6
74
10.45
12
48
70
1009.5
0
23.4
27.9
45.6
120.1
118.9
410.5
20/09 15:30
16.4
77
10.75
12.4
46
67
1009.6
0
24.1
28.5
47.0
123.8
123.3
425.9
20/09 15:20
16.8
77
11.01
12.7
50
69
1009.4
0
24.6
28.8
47.8
126.0
126.2
436.1
20/09 15:10
16.9
78
11.22
13
48
69
1009.2
0
25.0
29.1
48.6
128.2
128.9
445.6
20/09 15:00
16.8
77
11.01
12.7
52
70
1009.1
0
24.6
28.8
47.8
126.0
126.2
436.0
20/09 14:50
17.4
78
11.56
13.5
48
70
1009
0
25.7
29.5
49.8
131.1
132.7
459.0
20/09 14:40
17.2
76
11.13
12.9
54
70
1008.7
0
24.8
28.8
48.1
126.6
127.1
439.3
20/09 14:30
17.4
73
10.82
12.5
50
74
1008.6
0
24.1
28.3
46.6
122.8
122.5
423.4
20/09 14:20
17.4
73
10.82
12.5
52
70
1008.4
0
24.1
28.3
46.6
122.8
122.5
423.4
20/09 14:10
18.1
73
11.28
13.2
50
80
1008.3
0
25.1
28.8
48.1
126.8
127.6
441.3
20/09 14:00
18.2
68
10.57
12.2
50
70
1008.1
0
23.6
27.6
45.1
118.8
117.9
407.3
20/09 13:50
19
63
10.27
11.8
48
67
1007.8
0
22.9
26.8
43.5
114.4
112.7
389.4
20/09 13:40
20.7
56
10.08
11.6
46
61
1007.8
0
22.4
26.0
41.8
110.0
107.9
372.7
20/09 13:30
21.4
51
9.56
10.9
48
69
1007.6
0
21.3
25.0
39.5
103.8
100.5
346.8
20/09 13:20
22
46
8.93
9.9
50
82
1007.6
0
19.9
23.9
36.9
96.9
92.1
317.7
20/09 13:10
22.4
43
8.54
9.2
46
74
1007.5
0
19.1
23.3
35.3
92.7
87.1
300.0
20/09 13:00
22.9
40
8.17
8.6
48
82
1007.2
0
18.3
22.6
33.8
88.6
82.3
283.1
20/09 12:50
23.4
37
7.78
7.9
46
70
1007.1
0
17.4
21.9
32.3
84.5
77.3
265.9
20/09 12:40
24
35
7.61
7.6
37
72
1007.1
0
17.1
21.6
31.4
82.4
74.9
257.4
20/09 12:30
23.5
36
7.61
7.6
39
56
1007.1
0
17.1
21.7
31.6
82.9
75.3
259.0
20/09 12:20
22.6
35
7.03
6.4
37
56
1007.3
0
15.9
21.1
30.0
78.6
69.7
239.2
20/09 12:10
22.5
36
7.19
6.7
35
56
1007.2
0
16.2
21.3
30.6
80.1
71.6
245.7
20/09 12:00
22.9
35
7.15
6.6
35
54
1006.9
0
16.1
21.2
30.3
79.3
70.8
242.9
20/09 11:50
22.4
36
7.15
6.6
33
48
1007
0
16.2
21.3
30.5
79.8
71.2
244.4
Last Refresh: 21-Sep-2026 04:02:30