condition mean min max 0 h after light 42.12915 42.0157 42.2426 4 h after light 48.0531 40.4589 55.6473 8 h after light 31.6438 31.3444 31.9432 4 h after dark 34.15875 27.856 40.4615 8 h after dark 48.7913 48.7358 48.8468 12 h after dark 52.675349999999995 46.1031 59.2476