condition mean min max 4 h after light 27.858139 23.790621 31.925657 8 h after light 27.336021000000002 23.916727 30.755315 12 h after light 26.981198 25.668996 28.2934 4 h after dark 40.935608 32.228774 49.642442 8 h after dark 44.683999 36.857346 52.510652 12 h after dark 32.228774 32.228774 32.228774