condition	mean	min	max
4 h after light	18.85454	15.177520000000001	22.93881
8 h after light	23.307546666666667	15.087620000000001	32.6048
12 h after light	19.61132333333333	16.85853	22.46624
16 h after light	28.31171	17.07152	34.01258
4 h after dark	30.952593333333333	29.3729	31.992109999999997
8 h after dark	19.02488333333333	17.15617	20.98035