condition	mean	min	max
4 h after light	59.7528	47.620378	71.885222
8 h after light	41.260450500000005	35.704361	46.81654
12 h after light	34.169343	30.562236	37.77645
4 h after dark	21.1854815	19.805107	22.565856
8 h after dark	17.9208285	16.593153	19.248504
12 h after dark	111.183575	111.183575	111.183575