condition	mean	min	max
4 h after light	14.747913	13.79242	15.703406
8 h after light	16.031384	14.515109	17.547659
12 h after light	14.409886	13.330525	15.489247
4 h after dark	18.3990945	17.819081	18.979108
8 h after dark	18.0097655	17.351451	18.66808
12 h after dark	15.489247	15.489247	15.489247