condition mean min max 0 h after light 0.0 0.0 0.0 4 h after light 0.2473065 0.243238 0.251375 8 h after light 0.0 0.0 0.0 4 h after dark 0.121627 0.0 0.243254 8 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0