condition	mean	min	max
4 h after light	37.4138	30.0067	44.8209
8 h after light	39.553349999999995	39.4479	39.6588
12 h after light	33.3809	32.441	34.3208
4 h after dark	39.150933333333334	36.4459	42.7618
8 h after dark	40.8181	38.7495	42.6833
12 h after dark	37.597566666666665	36.3033	39.3956