condition	mean	min	max
4 h after light	16.719976000000003	16.38963	17.050322
8 h after light	16.158268	14.442426	17.87411
12 h after light	17.217941	16.323206	18.112676
4 h after dark	18.068188499999998	18.017025	18.119352
8 h after dark	19.9496695	17.050322	22.849017
12 h after dark	14.232355	14.232355	14.232355