Table 1: Examples of cyclic variation in meteorological and proxy weather records

Table constructed based on data from; Alexander, W. (2007), Burroughs, W.J. (2003), Mason P.J. (1998), Mason P. J. (2006a), Ruzamaikin A. et al. (2006) and the Kafue Gorge Lower Hydroelectric Project, Climate Change Impact Draft Report (2009).

Southern oscillation 3-3.8 6 10-12
Central England temperature 3.1 14.5 23 76
South African rainfall 3.5 10-12 18 21
South American rainfall 3.8 7 20
Extreme 1 hr rainfall (UK) 7.2 10.8 20 50
US east coast temperature 9 20
North Atlantic pressure 7-9 14 50-90
Atlantic hurricanes 9.3 11 15 22 52
Beijing rainfall 9.9 18.6 56 84 126
US rainfall 11 18.6
East African Lakes 11
Nile Floods 18.4 53 77-88
Global air temperature 22 65-70
Galapagos corals 3 6-8 11 17 22 34
Oman speleothem 3 7.5 24 87 134 205 779
Chinese speleothem 3.3 5-6 10-12 14-18 133 194
Zimbabwe tree rings 3.4 9-10 20 35-44 70 130
Geological sediments 5.6 11 22 90 200
Greenland ice cores 6.3 11 20-22 90 200 1470
Fennoscandian tree rings 11 31-34 86-100
US drought index (tree rings) 18.6 22 90
Finnish tree rings 23 30 90
Irish speleothem 78 169 625
Bristlecone pine tree rings 114 208 667 1400
Ocean sediments 550 1500