condition mean min max 4 h after light 805.8050165 569.378091 1042.231942 8 h after light 288.202785 210.942744 365.462826 12 h after light 304.3765755 221.227582 387.525569 4 h after dark 320.9972095 198.688191 443.306228 8 h after dark 709.7896055 446.570996 973.008215 12 h after dark 1131.348271 1131.348271 1131.348271