condition mean min max 4 h after light 163.72979450000003 162.064129 165.39546 8 h after light 196.30898 187.616672 205.001288 12 h after light 272.7117015 133.19616 412.227243 4 h after dark 167.7934435 161.232057 174.35483 8 h after dark 161.204952 131.562691 190.847213 12 h after dark 79.397768 79.397768 79.397768