condition	mean	min	max
4 h after light	23.74723333333333	19.0781	32.1508
8 h after light	24.0392	11.774	31.772
12 h after light	29.982499999999998	20.2369	41.1172
4 h after dark	42.691066666666664	31.1235	48.8674
8 h after dark	41.8134	38.7191	47.0701
12 h after dark	30.4352	25.5156	35.5597