condition mean min max 3 h after light 2.12152 1.3537 2.63501 6 h after light 2.1602 1.29173 2.77157 9 h after light 5.54194 3.54341 8.38478 12 h after light 7.9775575 2.09659 10.5543 3 h after dark 11.231766666666667 9.7455 13.1415 6 h after dark 8.378126666666667 7.1185 10.2205 9 h after dark 5.12485 4.1185 5.99458 12 h after dark 2.021425 2.01531 2.02754