condition mean min max 4 h after light 814.798274 769.690502 859.906046 8 h after light 858.9706550000001 850.377921 867.563389 12 h after light 792.951108 756.125731 829.776485 4 h after dark 771.2466415 751.811271 790.682012 8 h after dark 834.212826 803.155134 865.270518 12 h after dark 803.155134 803.155134 803.155134