condition mean min max 4 h after light 1.5454854999999998 0.874001 2.21697 8 h after light 1.86043 1.38349 2.33737 12 h after light 1.8550275 0.986215 2.72384 4 h after dark 1.0115923333333334 0.244068 1.7939 8 h after dark 1.3507736666666668 0.886871 1.64494 12 h after dark 1.94454 1.2974 2.78075