condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.128322 0.0 0.256644 12 h after light 0.0 0.0 0.0 4 h after dark 0.899716 0.709092 1.26649 8 h after dark 1.1268953333333334 0.0 2.50428 12 h after dark 1.2139573333333333 0.515239 2.60214