condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.0867523 0.0547558 0.147262 12 h after light 0.0 0.0 0.0 4 h after dark 0.12245553333333332 0.0713596 0.160182 8 h after dark 0.20411666666666667 0.107003 0.267739 12 h after dark 0.081819 0.0 0.125456