condition	mean	min	max
4 h after light	14.511666666666667	6.105	18.79
8 h after light	26.47722222333333	18.565	33.62666667
12 h after light	130.65444443333334	87.76	179.54
1.5 h after dark	174.4911111	71.15	243.97
5.5 h after dark	123.30000001	85.81333333	145.34
9.5 h after dark	32.91111111	12.69	52.02