condition mean min max 4 h after light 173.2 173.2 173.2 8 h after light 142.75 130.6 154.9 12 h after light 146.39999999999998 100.6 192.2 4 h after dark 176.55 161.6 191.5 8 h after dark 257.5 226.6 288.4 12 h after dark 210.75 175.2 246.3