condition mean min max 0 h after light 1.2024750000000002 1.12338 1.28157 4 h after light 1.22764 1.03378 1.4215 8 h after light 1.7157499999999999 1.63773 1.79377 4 h after dark 2.31263 2.04533 2.57993 8 h after dark 1.74282 1.73551 1.75013 12 h after dark 1.26417 1.11987 1.40847