condition mean min max 0 h after light 0.9262554999999999 0.613671 1.23884 4 h after light 1.212425 1.19979 1.22506 8 h after light 0.3065185 0.300447 0.31259 4 h after dark 0.592565 0.296839 0.888291 8 h after dark 1.093429 0.979528 1.20733 12 h after dark 1.814095 1.48996 2.13823