Seeing for Ashburn

Fri 2019-01-18 to Sat 2019-01-19
Ground Sky
Hour (EST) Temp rel. hum. Clouds
Best values are marked
arc sec.
19 2°C 83% 100 1.56
20 1°C 83% 92 1.56
21 1°C 83% 83 1.52
22 1°C 82% 75 1.47
23 1°C 82% 83 1.41
0 1°C 86% 92 1.37
1 1°C 92% 100 1.38
2 1°C 94% 100 1.39
3 1°C 97% 100 1.39
4 1°C 96% 100 1.40
5 1°C 96% 100 1.43
6 1°C 96% 100 1.51
7 1°C 96% 100 1.56
8 1°C 96% 100 1.65
9 2°C 96% 100 1.72
10 2°C 96% 100 1.80
11 2°C 94% 100 1.86
12 3°C 93% 100 1.85
13 2°C 94% 100 1.69
14 2°C 94% 100 1.51
15 2°C 95% 100 1.52
16 2°C 96% 100 1.44
17 2°C 96% 100 1.56
18 2°C 97% 100 1.66