condition	mean	min	max
4 h after light	20.587600000000002	19.6935	21.4817
8 h after light	15.8988	15.0779	16.7197
12 h after light	19.75515	17.1646	22.3457
4 h after dark	26.106733333333334	24.4671	27.3324
8 h after dark	35.9123	32.4222	38.723
12 h after dark	32.031333333333336	29.8576	34.3082