condition	mean	min	max
4 h after light	22.3318	20.6503	24.0133
8 h after light	19.26715	17.2152	21.3191
12 h after light	20.70565	20.0171	21.3942
4 h after dark	34.00905	29.8794	38.1387
8 h after dark	25.440649999999998	23.7582	27.1231
12 h after dark	23.2653	22.4799	24.0507