condition mean min max 0 h after light 34.29905 28.3876 40.2105 2 h after light 31.11365 26.4424 35.7849 4 h after light 20.61655 20.2413 20.9918 8 h after light 27.9754 26.7452 29.2056 12 h after light 76.8661 69.027 84.7052 2 h after dark 105.7799 99.7848 111.775 4 h after dark 78.28385 76.5871 79.9806 8 h after dark 62.96165 47.054 78.8693 12 h after dark 33.086349999999996 32.4287 33.744