condition mean min max 0 h after light 2.263515 1.99235 2.53468 2 h after light 3.163245 2.98121 3.34528 4 h after light 3.24107 2.7212 3.76094 8 h after light 2.73639 2.36835 3.10443 12 h after light 3.212685 3.03108 3.39429 2 h after dark 4.204725 4.14313 4.26632 4 h after dark 3.2968900000000003 2.86152 3.73226 8 h after dark 3.52664 3.21296 3.84032 12 h after dark 2.5555399999999997 2.14776 2.96332