condition mean min max 0 h after light 28.298650000000002 27.8012 28.7961 4 h after light 32.8862 31.1864 34.586 8 h after light 28.54155 27.087 29.9961 4 h after dark 28.950850000000003 26.934 30.9677 8 h after dark 30.3302 30.1686 30.4918 12 h after dark 41.16475 32.4079 49.9216