condition mean min max 0 h after light 3.158545 2.73205 3.58504 2 h after light 1.2753510000000001 0.971682 1.57902 4 h after light 2.061555 1.79064 2.33247 8 h after light 1.75789 1.70291 1.81287 12 h after light 2.8954750000000002 2.72771 3.06324 2 h after dark 2.373755 2.33426 2.41325 4 h after dark 3.5719000000000003 3.40273 3.74107 8 h after dark 4.7361699999999995 3.96289 5.50945 12 h after dark 3.1599 2.95083 3.36897