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Table 1 Comparison between CME numbers in solar cycles 23 and 24

From: Short-term variability of the Sun-Earth system: an overview of progress made during the CAWSES-II period

CME property Cycle 23 a Cycle 24 Ratio b
All CMEs 5,086 (89.2/mo) 8,201 (134.44/mo) 1.51
W < 30° 1,732 (30.38/mo) 3,907 (64.05) 2.11
W ≥ 30° 3,354 (58.84/mo) 4,294 (70.39/mo) 1.20
W ≥ 60° 1,858 (32.6/mo) 2,205 (36.15/mo) 1.13
W = 360° 178 (2.99/mo) 199 (3.06/mo) 1.02
V ≥ 900 km/s and W ≥ 60° 189 (3.32/mo) 142 (2.33/mo) 0.70
≥C3.0 flares, limb 273 (4.7/mo) 214 (3.45/mo) 0.73
  1. aOver the same epoch as cycle 24. bRatio of cycle-24 rate to cycle-23 rate.