condition mean min max 4 h after light 159.099 125.255 192.943 8 h after light 167.89999999999998 163.403 172.397 12 h after light 152.89 149.842 155.938 4 h after dark 157.43900000000002 154.275 160.603 8 h after dark 120.2405 119.672 120.809 12 h after dark 130.8605 124.927 136.794