condition mean min max 4 h after light 1540.9673333333333 1442.8429999999998 1623.586 8 h after light 959.8926333333334 523.0664 1370.068 12 h after light 1126.2367 917.2193 1502.604 16 h after light 1986.538 1641.99 2361.173 4 h after dark 1560.5286666666668 1364.4370000000001 1786.142 8 h after dark 1388.888 1140.771 1594.914