condition mean min max 4 h after light 32.1984 30.5903 33.8065 8 h after light 38.025850000000005 37.4055 38.6462 12 h after light 35.08905 32.5495 37.6286 4 h after dark 38.021 36.3076 39.7344 8 h after dark 30.148850000000003 29.7618 30.5359 12 h after dark 36.9093 36.6657 37.1529