Seeing for Ashburn

Mon 2017-11-20 to Tue 2017-11-21
Ground Sky
Hour (EST) Temp rel. hum. Clouds
Best values are marked
arc sec.
13 9°C 38% 0 2.27
14 9°C 36% 0 2.24
15 10°C 34% 0 2.22
16 9°C 35% 0 2.19
17 8°C 35% 0 2.13
18 6°C 36% 0 2.04
19 4°C 37% 0 1.96
20 3°C 38% 3 1.89
21 3°C 40% 6 1.83
22 3°C 41% 9 1.74
23 3°C 42% 20 1.66
0 3°C 43% 32 1.61
1 3°C 45% 43 1.57
2 3°C 47% 29 1.43
3 2°C 51% 15 1.24
4 2°C 56% 1 1.11
5 1°C 57% 1 1.03
6 1°C 58% 0 1.01
7 2°C 57% 0 1.02
8 4°C 56% 0 1.07
9 6°C 56% 0 1.11
10 9°C 49% 0 1.14
11 11°C 46% 33 1.12
12 13°C 41% 67 1.10