condition mean min max 4 h after light 3.89284 2.63194 5.15374 8 h after light 1.42744 1.21984 1.63504 12 h after light 1.176835 1.00883 1.34484 4 h after dark 1.2302726666666666 0.815408 1.77504 8 h after dark 3.671133333333333 2.14999 4.48619 12 h after dark 4.90599 4.63741 5.29291