condition	mean	min	max
4 h after light	17.65935	17.3338	17.9849
8 h after light	18.14565	18.1163	18.175
12 h after light	38.11405	36.0432	40.1849
4 h after dark	38.23165	37.1584	39.3049
8 h after dark	28.3542	25.9758	30.7326
12 h after dark	22.2255	19.916	24.535