condition	mean	min	max
4 h after light	18.347109	16.803568	19.89065
8 h after light	23.441122	21.186362	25.695882
12 h after light	16.355065500000002	12.546094	20.164037
4 h after dark	35.8685305	21.783434	49.953627
8 h after dark	41.143663	30.87725	51.410076
12 h after dark	20.389519	20.389519	20.389519