Seeing for 42.36°N 71.94°W

Sun 2019-01-20 to Mon 2019-01-21
Ground Sky
Hour (EST) Temp rel. hum. Clouds
Best values are marked
arc sec.
13 -8°C 83% 100 1.07
14 -8°C 79% 100 0.81
15 -7°C 81% 100 0.89
16 -7°C 84% 100 0.98
17 -7°C 86% 92 1.10
18 -7°C 88% 85 1.09
19 -8°C 86% 77 1.18
20 -10°C 85% 51 1.23
21 -12°C 83% 26 1.29
22 -14°C 78% 0 1.22
23 -16°C 73% 1 1.03
0 -17°C 73% 1 1.00
1 -18°C 79% 2 1.15
2 -18°C 82% 3 1.27
3 -19°C 77% 5 1.25
4 -20°C 67% 7 1.42
5 -21°C 64% 31 1.77
6 -21°C 67% 55 2.10
7 -22°C 73% 80 2.13
8 -21°C 75% 84 2.12
9 -19°C 69% 88 2.16
10 -17°C 70% 93 2.17
11 -16°C 70% 95 2.24
12 -16°C 70% 98 2.34