condition mean min max 4 h after light 920.0761745 697.160143 1142.992206 8 h after light 1332.8947195 1202.017526 1463.771913 12 h after light 1536.4570625 1311.717667 1761.196458 4 h after dark 2131.7781725 1556.346351 2707.209994 8 h after dark 2753.052149 1680.964118 3825.14018 12 h after dark 1436.372639 1436.372639 1436.372639