condition mean min max 0 h after light 2.56004 2.55776 2.56232 4 h after light 9.907895 7.52339 12.2924 8 h after light 4.5791699999999995 4.42839 4.72995 4 h after dark 2.8536 2.34457 3.36263 8 h after dark 5.376205000000001 5.20608 5.54633 12 h after dark 3.2141 2.59689 3.83131