Seeing for Ashburn

Tue 2018-01-16 to Wed 2018-01-17
Ground Sky
Hour (EST) Temp rel. hum. Clouds
Best values are marked
arc sec.
13 3°C 61% 100 1.70
14 3°C 59% 92 1.70
15 3°C 54% 83 1.70
16 3°C 54% 77 1.68
17 2°C 55% 85 1.68
18 1°C 56% 92 1.72
19 0°C 58% 100 1.80
20 0°C 60% 100 2.01
21 -1°C 63% 100 2.22
22 -1°C 67% 100 2.24
23 -1°C 73% 100 2.26
0 -1°C 90% 100 2.32
1 -2°C 97% 100 2.35
2 -2°C 95% 100 2.26
3 -2°C 89% 100 2.17
4 -2°C 81% 100 2.17
5 -3°C 79% 100 2.19
6 -3°C 80% 99 2.15
7 -3°C 83% 99 2.17
8 -4°C 83% 70 2.23
9 -4°C 79% 41 2.22
10 -4°C 68% 12 2.13
11 -4°C 59% 9 2.07
12 -3°C 54% 6 2.11