condition mean min max 0 h after light 10.56595 10.0237 11.1082 2 h after light 0.2482435 0.0 0.496487 4 h after light 0.6581465 0.449332 0.866961 8 h after light 25.36945 22.6827 28.0562 12 h after light 66.8123 64.7816 68.843 2 h after dark 53.125 47.5194 58.7306 4 h after dark 47.1459 44.8462 49.4456 8 h after dark 36.87995 36.455 37.3049 12 h after dark 13.24605 12.1159 14.3762