condition mean min max 4 h after light 2.761806 2.694888 2.843899 8 h after light 2.005462 1.486975 2.353409 12 h after light 1.6895856666666664 1.318134 2.2945919999999997 16 h after light 2.8060543333333334 2.477315 3.241909 4 h after dark 2.2830723333333336 2.0839529999999997 2.5452060000000003 8 h after dark 1.4816353333333334 1.441537 1.508438