condition mean min max 4 h after light 479.4367 464.4597 491.5279 8 h after light 1170.3547333333333 660.3142 1653.2479999999998 12 h after light 1512.009 1156.714 1807.059 16 h after light 881.8242 731.6991 974.0136 4 h after dark 968.7011333333332 864.7033 1065.3039999999999 8 h after dark 261.3289 165.5485 321.7813