condition mean min max 0 h after light 2.773715 2.45916 3.08827 4 h after light 4.955335 4.67974 5.23093 8 h after light 4.74925 3.4661 6.0324 4 h after dark 6.507725000000001 5.98838 7.02707 8 h after dark 5.719475 5.14726 6.29169 12 h after dark 3.156235 2.13516 4.17731