File: figure32.txt Title: Annual average frequency of dust storms and dust devils during the Mars Global Surveyor (MGS) mission, as determined from examination of all Mars Orbiter Camera wide angle and narrow angle images. Reference: Malin, M. C., K. S. Edgett, B. A. Cantor, M. A. Caplinger, G. E. Danielson, E. H. Jensen, M. A. Ravine, J. L. Sandoval, and K. D. Supulver (2010) "An overview of the 1985-2006 Mars Orbiter Camera science investigation" Mars 5, 1-60; doi:10.1555/mars.2010.0001 These data cover the period between March 1999 and October 2006. Column 1: Ls bins (units of degrees) Column 2: Average Frequency of Dust Storms Planetwide over 4 Mars years Column 3: Average Frequency of Dust Storms in Northern Hemisphere over 4 Mars years Column 4: Average Frequency of Dust Storms in Southern Hemisphere over 4 Mars years Column 5: Average Frequency of Dust Devils Planetwide over 4 Mars years Column 6: Average Frequency of Dust Devils in Northern Hemisphere over 4 Mars years Column 7: Average Frequency of Dust Devils in Southern Hemisphere over 4 Mars years 000-005 51.8 17.8 34.0 11.8 8.8 3.0 005-010 112.5 21.2 91.2 10.8 5.8 5.0 010-015 82.2 22.5 59.8 19.8 17.5 2.2 015-020 78.0 25.5 52.5 69.8 68.5 1.2 020-025 89.2 21.2 68.0 23.8 23.2 0.5 025-030 88.2 29.5 58.8 50.5 49.5 1.0 030-035 61.5 21.8 39.8 61.8 60.8 1.0 035-040 73.2 29.5 43.8 115.8 114.2 1.5 040-045 61.5 18.2 43.2 43.2 41.2 2.0 045-050 36.5 14.0 22.5 52.0 51.8 0.2 050-055 28.5 15.8 12.8 31.8 29.5 2.2 055-060 25.2 11.2 14.0 127.2 127.0 0.2 060-065 23.0 15.2 7.8 59.8 57.0 2.8 065-070 23.2 18.0 5.2 140.0 137.2 2.8 070-075 19.2 17.0 2.2 65.8 63.2 2.5 075-080 21.2 19.8 1.5 91.5 89.8 1.8 080-085 22.8 21.0 1.8 63.2 62.8 0.5 085-090 12.2 10.5 1.8 64.5 64.0 0.5 090-095 14.2 11.2 3.0 34.2 33.0 1.2 095-100 14.8 12.0 2.8 113.5 112.2 1.2 100-105 10.8 8.0 2.8 111.0 110.2 0.8 105-110 16.2 12.8 3.5 87.5 82.8 4.8 110-115 26.5 18.5 8.0 186.5 181.0 5.5 115-120 22.5 17.2 5.2 90.2 77.2 13.0 120-125 17.2 15.0 2.2 145.5 135.0 10.5 125-130 10.0 5.5 4.5 153.0 147.0 6.0 130-135 22.0 13.2 8.8 109.2 97.2 12.0 135-140 38.2 15.8 22.5 183.5 182.5 1.0 140-145 64.2 25.8 38.5 123.8 122.8 1.0 145-150 65.5 26.8 38.8 102.5 101.5 1.0 150-155 53.2 26.5 26.8 45.8 45.8 0.0 155-160 53.5 23.2 30.2 42.2 42.2 0.0 160-165 54.5 26.5 28.0 83.0 83.0 0.0 165-170 67.8 21.8 46.0 34.5 33.8 0.8 170-175 53.8 18.8 35.0 38.5 38.5 0.0 175-180 57.8 24.2 33.5 23.2 22.2 1.0 180-185 46.8 16.2 30.5 8.5 8.2 0.2 185-190 41.2 14.0 27.2 7.2 5.2 2.0 190-195 28.0 15.2 12.8 1.2 0.8 0.5 195-200 30.0 11.2 18.8 12.0 9.8 2.2 200-205 24.8 13.8 11.0 3.0 1.8 1.2 205-210 41.8 24.0 17.8 0.5 0.0 0.5 210-215 39.0 20.0 19.0 0.8 0.0 0.8 215-220 50.0 25.2 24.8 0.8 0.0 0.8 220-225 46.2 16.8 29.5 0.8 0.0 0.8 225-230 36.0 13.0 23.0 0.5 0.0 0.5 230-235 24.2 5.8 18.5 0.0 0.0 0.0 235-240 19.0 4.5 14.5 1.0 0.0 1.0 240-245 24.2 2.5 21.8 0.0 0.0 0.0 245-250 27.2 2.5 24.8 0.8 0.0 0.8 250-255 22.2 1.0 21.2 3.5 0.0 3.5 255-260 18.2 1.2 17.0 4.2 0.0 4.2 260-265 15.5 0.8 14.8 7.2 0.0 7.2 265-270 8.5 1.2 7.2 7.0 0.0 7.0 270-275 9.5 2.8 6.8 15.8 0.0 15.8 275-280 4.8 1.8 3.0 7.2 0.0 7.2 280-285 8.2 4.2 4.0 6.0 0.2 5.8 285-290 15.8 11.8 4.0 14.2 0.0 14.2 290-295 17.5 11.8 5.8 11.0 0.0 11.0 295-300 19.0 14.8 4.2 5.5 0.5 5.0 300-305 29.2 22.8 6.5 12.5 0.0 12.5 305-310 39.0 34.5 4.5 16.2 0.0 16.2 310-315 44.8 38.8 6.0 15.0 0.2 14.8 315-320 37.0 30.8 6.2 10.5 0.2 10.2 320-325 27.0 25.5 1.5 5.0 0.0 5.0 325-330 39.8 39.2 0.5 0.0 0.0 0.0 330-335 33.2 32.8 0.5 0.5 0.0 0.5 335-340 23.2 21.5 1.8 5.5 0.0 5.5 340-345 52.2 33.0 19.2 2.0 0.0 2.0 345-350 45.0 25.0 20.0 18.5 17.0 1.5 350-355 38.2 21.2 17.0 15.2 14.0 1.2 355-360 45.2 21.0 24.2 19.8 17.2 2.5 360-365 45.2 21.0 24.2 19.8 17.2 2.5