condition mean min max 0 h after light 2.855315 2.81393 2.8967 4 h after light 3.90626 3.39872 4.4138 8 h after light 7.65621 7.17806 8.13436 4 h after dark 6.6930250000000004 5.97199 7.41406 8 h after dark 5.56878 5.14361 5.99395 12 h after dark 3.7671 3.38955 4.14465