condition mean min max 4 h after light 4.9496199999999995 3.30136 6.59788 8 h after light 2.63324 2.51289 2.75359 12 h after light 5.8713999999999995 5.74745 5.99535 4 h after dark 8.151205000000001 7.71848 8.58393 8 h after dark 7.1311350000000004 6.78327 7.479 12 h after dark 6.903895 6.35244 7.45535