condition mean min max 0 h after light 38.615449999999996 37.5787 39.6522 4 h after light 43.82855000000001 40.718 46.9391 8 h after light 38.0813 35.3855 40.7771 4 h after dark 48.38935 45.4313 51.3474 8 h after dark 41.46365 40.0162 42.9111 12 h after dark 39.4251 39.2265 39.6237