condition	mean	min	max
4 h after light	33.557687	29.483764	37.63161
8 h after light	20.92533	14.956176	26.894484
12 h after light	24.1490675	22.557469	25.740666
4 h after dark	19.4503645	18.437933	20.462796
8 h after dark	19.5644705	17.756385	21.372556
12 h after dark	31.123299	31.123299	31.123299