Seeing for 38.44°N 77.13°W

Tue 2018-05-22 to Wed 2018-05-23
Ground Sky
Hour (EDT) Temp rel. hum. Clouds
Best values are marked
arc sec.
20 21°C 81% 100 1.31
21 21°C 81% 93 1.31
22 21°C 81% 96 1.32
23 21°C 83% 100 1.28
0 22°C 85% 78 1.25
1 21°C 87% 56 1.25
2 21°C 89% 43 1.27
3 21°C 91% 33 1.27
4 21°C 93% 66 1.29
5 20°C 95% 100 1.29
6 20°C 95% 100 1.30
7 21°C 97% 100 1.30
8 21°C 95% 100 1.31
9 22°C 82% 95 1.34
10 24°C 70% 89 1.40
11 25°C 65% 84 1.52
12 26°C 61% 73 1.66
13 27°C 57% 61 1.77
14 27°C 53% 50 1.84
15 28°C 51% 55 1.88
16 28°C 50% 61 1.84
17 28°C 50% 67 1.82
18 28°C 53% 45 1.79
19 27°C 54% 22 1.86