condition mean min max 0 h after light 0.311696 0.15564 0.467752 4 h after light 1.13178 1.07417 1.18939 8 h after light 3.34843 2.69334 4.00352 4 h after dark 1.6087850000000001 1.29929 1.91828 8 h after dark 1.345128 0.927466 1.76279 12 h after dark 0.65127 0.466292 0.836248