condition mean min max 0 h after light 20.0398 19.7881 20.2915 4 h after light 24.8678 22.8391 26.8965 8 h after light 27.45225 25.5909 29.3136 4 h after dark 27.6553 27.5124 27.7982 8 h after dark 26.009149999999998 23.8983 28.12 12 h after dark 20.5816 19.8229 21.3403