condition mean min max 4 h after light 45.550873333333335 41.567840000000004 47.714729999999996 8 h after light 60.355760000000004 41.27814 70.8725 12 h after light 70.05064666666667 65.0641 78.45203000000001 16 h after light 78.61927666666666 69.57301 84.5367 4 h after dark 123.34823333333333 107.7233 132.4708 8 h after dark 79.19487000000001 63.54825 88.91955