condition	mean	min	max
4 h after light	16.35675	15.871	16.8425
8 h after light	19.7779	18.3447	21.2111
12 h after light	18.71465	18.0564	19.3729
4 h after dark	33.18965	29.7047	36.6746
8 h after dark	28.8784	28.4046	29.3522
12 h after dark	25.035249999999998	23.3231	26.7474