Month Onion Prices 2 year average price for each month. 2 year annual average price   Seasonal Index
2012 2013
Jan. 2939 1700 2319 3057 65.95
Feb. 1955 2400 2177 3057 108.85
Mar. 1194 4100 2647 3057 132.35
Apr. 1094 4800 2947 3057 147.35
May 1012 4500 2756 3057 137.80
Jun 877 3600 2238 3057 111.90
July 1373 3800 2586 3057 129.30
Aug 1905 5500 3725 3057 186.25
Sept 2435 4800 3617 3057 180.85
Oct 3495 4600 4047 3057 202.35
Nov 3870 5000 4435 3057 221.75
Dec 2687 3700 3193 3057 159.65
Table 7: Simple average seasonal index for onion.