condition mean min max 0 h after light 4.422625 4.2264 4.61885 4 h after light 3.07965 3.03405 3.12525 8 h after light 1.44607 1.42547 1.46667 4 h after dark 2.3164949999999997 1.98109 2.6519 8 h after dark 4.943215 4.16248 5.72395 12 h after dark 4.699215000000001 4.4103 4.98813