condition mean min max 4 h after light 988.7094443333333 527.455 1833.203333 8 h after light 575.8844444666667 505.46 667.5266667 12 h after light 1349.578889 1063.216667 1728.59 1.5 h after dark 2786.194444333333 2594.57 2897.75 5.5 h after dark 2438.914444666667 2280.59 2700.676667 9.5 h after dark 1415.658889 1252.206667 1561.353333