condition mean min max 0 h after light 0.02801895 0.0 0.0560379 4 h after light 0.13880185 0.0569967 0.220607 8 h after light 0.02767105 0.0 0.0553421 4 h after dark 0.0551555 0.0 0.110311 8 h after dark 0.0555565 0.0 0.111113 12 h after dark 0.081969 0.0 0.163938