condition mean min max 0 h after light 0.869348 0.843366 0.89533 2 h after light 1.32124 1.00904 1.63344 4 h after light 1.399375 1.20674 1.59201 8 h after light 2.884235 2.76339 3.00508 12 h after light 4.187355 4.15893 4.21578 2 h after dark 4.85505 3.57181 6.13829 4 h after dark 4.16278 4.13048 4.19508 8 h after dark 2.65034 2.26584 3.03484 12 h after dark 1.229235 1.19465 1.26382