condition mean min max 3 h after light 0.9115893333333334 0.0 2.00353 6 h after light 0.41976433333333335 0.0 0.643988 9 h after light 0.6364043333333333 0.36253 0.891132 12 h after light 1.243234 0.292226 2.42847 3 h after dark 1.7001600000000001 1.12944 2.84154 6 h after dark 2.3864 1.30102 3.23228 9 h after dark 2.0021966666666664 1.4601 2.48924 12 h after dark 0.621886 0.372844 0.870928