condition mean min max 4 h after light 421.7291945 387.056441 456.401948 8 h after light 325.2005755 274.092171 376.30898 12 h after light 397.3429005 393.209884 401.475917 4 h after dark 396.3425955 370.743453 421.941738 8 h after dark 365.84817150000003 349.99532 381.701023 12 h after dark 401.475917 401.475917 401.475917