condition mean min max 0 h after light 1.4196849999999999 1.11975 1.71962 4 h after light 1.366289 0.613258 2.11932 8 h after light 0.7729604999999999 0.525141 1.02078 4 h after dark 0.760502 0.254334 1.26667 8 h after dark 0.381777 0.170789 0.592765 12 h after dark 0.6813134999999999 0.503971 0.858656