condition mean min max 0 h after light 1.45064 1.40191 1.49937 4 h after light 0.0492767 0.0 0.0985534 8 h after light 0.0 0.0 0.0 4 h after dark 0.0 0.0 0.0 8 h after dark 0.0984465 0.0 0.196893 12 h after dark 0.24956 0.0 0.49912