condition	mean	min	max
4 h after light	13.021699	12.791553	13.251845
8 h after light	13.436803000000001	12.791553	14.082053
12 h after light	16.701348	16.301463	17.101233
4 h after dark	14.994124	14.690822	15.297426
8 h after dark	16.825181	15.272891	18.377471
12 h after dark	16.352984	16.352984	16.352984