condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.055853999999999994 0.0 0.167562 12 h after light 0.04489233333333333 0.0 0.134677 4 h after dark 0.0 0.0 0.0 8 h after dark 0.0 0.0 0.0 12 h after dark 0.04875292 0.0 0.143054