condition	mean	min	max
4 h after light	18.52595	18.4613	18.5906
8 h after light	5.489065	5.33196	5.64617
12 h after light	6.3961749999999995	5.08432	7.70803
4 h after dark	6.645153333333333	6.33245	7.09092
8 h after dark	14.098966666666668	11.0188	17.2556
12 h after dark	9.30921	7.72859	10.4085