condition	mean	min	max
4 h after light	4.399066666666666	4.38289	4.41285
8 h after light	4.43569	4.38646	4.47326
12 h after light	4.457043333333333	4.3278300000000005	4.5957099999999995
4 h after dark	4.514970000000001	4.363580000000001	4.6733400000000005
8 h after dark	4.482156666666667	4.360869999999999	4.68196
12 h after dark	4.429216666666667	4.40123	4.4646300000000005