condition mean min max 0 h after light 21.49025 19.6692 23.3113 2 h after light 31.86635 31.1231 32.6096 4 h after light 29.8808 28.8204 30.9412 8 h after light 33.12065 33.0577 33.1836 12 h after light 35.390100000000004 32.6026 38.1776 2 h after dark 39.61855 39.022 40.2151 4 h after dark 25.8435 23.6163 28.0707 8 h after dark 21.19265 19.6058 22.7795 12 h after dark 23.251649999999998 20.0505 26.4528