condition mean min max 4 h after light 584.7491835000001 546.343233 623.155134 8 h after light 575.4185185 548.599169 602.237868 12 h after light 647.89513 584.21865 711.57161 4 h after dark 736.7945595 674.026315 799.562804 8 h after dark 572.111562 516.809161 627.413963 12 h after dark 783.675111 783.675111 783.675111