condition mean min max 0 h after light 14.363 14.0146 14.7114 2 h after light 11.171 11.0988 11.2432 4 h after light 16.0612 15.1055 17.0169 8 h after light 12.557400000000001 12.4314 12.6834 12 h after light 13.8125 13.6078 14.0172 2 h after dark 13.55945 12.2131 14.9058 4 h after dark 16.0467 15.6614 16.432 8 h after dark 20.6087 20.2762 20.9412 12 h after dark 17.226 17.1334 17.3186