condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.111987 0.0 0.223124 12 h after light 0.100861 0.0 0.195895 4 h after dark 0.17878013333333334 0.0836314 0.282551 8 h after dark 0.0850032 0.0 0.163978 12 h after dark 0.37683666666666665 0.288386 0.49811