condition mean min max 0 h after light 2.044575 1.75725 2.3319 2 h after light 2.650245 1.63523 3.66526 4 h after light 2.776395 1.89551 3.65728 8 h after light 0.9614665 0.959639 0.963294 12 h after light 1.0487425 0.234205 1.86328 2 h after dark 0.8611965 0.522033 1.20036 4 h after dark 3.101995 2.01713 4.18686 8 h after dark 3.222475 3.03524 3.40971 12 h after dark 3.16449 2.7381 3.59088