condition mean min max 4 h after light 168.6390285 162.847441 174.430616 8 h after light 203.36109 178.883461 227.838719 12 h after light 190.27051849999998 176.30898 204.232057 4 h after dark 124.48430049999999 89.924447 159.044154 8 h after dark 108.919917 78.063235 139.776599 12 h after dark 156.116202 156.116202 156.116202