condition	mean	min	max
4 h after light	32.4628425	19.884613	45.041072
8 h after light	17.536538999999998	17.327555	17.745523
12 h after light	21.327978	19.590999	23.064957
4 h after dark	18.898782	15.925235	21.872329
8 h after dark	24.770343	18.518224	31.022462
12 h after dark	131.3487	131.3487	131.3487