condition mean min max 4 h after light 11.8564 11.5171 12.1957 8 h after light 13.2735 12.8832 13.6638 12 h after light 23.1067 22.4665 23.7469 4 h after dark 34.391 32.9622 35.12 8 h after dark 28.555166666666665 27.5719 29.136 12 h after dark 26.117633333333334 25.7029 26.43