condition	mean	min	max
4 h after light	16.9180525	15.962522	17.873583
8 h after light	15.0928385	14.597707	15.58797
12 h after light	20.1979345	17.333937	23.061932
4 h after dark	19.244305	13.41878	25.06983
8 h after dark	40.578537999999995	25.101239	56.055837
12 h after dark	26.740024	26.740024	26.740024