[Ips-ssn-predictions] ISES Observed and Predicted Solar Indices
Regional Warning Centre
rwc at ips.gov.au
Sat Jun 1 21:17:34 EST 2013
IPS OBSERVED AND PREDICTED SOLAR INDICES FOR CYCLE 24
Prepared by IPS Radio and Space Services
Issued on Jun 01 2013
------------------------ SMOOTHED SUNSPOT NUMBER ---------------------------
Year Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
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2000 113.0 116.9 120.0 120.9 119.0 118.8 119.8 118.7 116.3 114.5 112.7 112.1
2001 108.7 104.0 104.8 107.5 108.6 109.8 111.7 113.6 114.1 114.0 115.5 114.6
2002 113.5 114.6 113.3 110.5 108.8 106.2 102.7 98.7 94.6 90.5 85.3 82.1
2003 81.0 78.6 74.2 70.4 67.9 65.3 62.1 60.3 59.8 58.4 57.0 55.0
2004 52.1 49.4 47.2 45.6 43.9 41.7 40.2 39.3 37.6 35.9 35.4 35.2
2005 34.6 34.0 33.6 31.7 28.9 28.8 29.1 27.5 25.9 25.6 25.0 23.0
2006 20.8 18.7 17.4 17.1 17.4 16.4 15.3 15.6 15.6 14.2 12.7 12.1
2007 12.0 11.6 10.8 9.9 8.7 7.7 7.0 6.1 5.9 6.1 5.7 5.0
2008 4.2 3.6 3.3 3.3 3.5 3.2 2.7 2.6 2.2 1.8 1.7 1.7
2009 1.8 1.9 2.0 2.2 2.3 2.7 3.6 4.8 6.1 7.0 7.5 8.2
2010 9.2 10.6 12.3 13.9 15.4 16.3 16.7 17.4 19.6 23.2 26.5 28.9
2011 31.0 33.5 36.9 41.8 47.6 53.2 57.3 59.1 59.6 59.9 61.1 63.4
2012 65.5 66.9 66.8 64.6 61.7 58.9 57.8 58.2 58.1 58.6 59.7 59.5e
2013 58.1e 56.7e 55.3e 54.3e 53.1e 52.2e 51.2e 50.1e 49.1e 46.6e 43.0e 40.4
2014 38.4 36.7 35.1 33.7 32.8 32.0 31.4 30.8 30.6 30.5 30.0 29.5
2015 28.6 27.3 26.1 24.8 23.8 22.7 21.3 20.0 18.8 17.9 17.1 16.5
2016 16.1 15.7 15.5 15.5 15.3 15.0 14.7 14.2 13.7 13.2 12.5 11.7
2017 11.0 10.3 9.8 9.4 9.1 8.9 8.9 8.8 8.3 8.0 7.8 7.6
2018 7.4 7.2 7.0 6.8 6.6 6.0 5.8 5.6 5.4 5.2 5.0 4.8
2019 4.6 4.4 3.9 3.5 3.4 3.3 3.1 2.8 2.1 1.9 1.8 1.7
============================================================================
----------------- EQUIVALENT 10.7 CM SOLAR RADIO FLUX ---------------------
Year Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
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2000 162.2 166.2 169.4 170.3 168.3 168.1 169.2 168.0 165.6 163.7 161.9 161.2
2001 157.8 153.0 153.7 156.6 157.7 158.9 160.8 162.8 163.3 163.2 164.8 163.9
2002 162.7 163.9 162.5 159.6 157.9 155.2 151.6 147.6 143.4 139.3 134.1 131.0
2003 129.9 127.6 123.4 119.7 117.4 114.9 112.0 110.4 109.9 108.7 107.4 105.6
2004 103.2 100.8 98.9 97.6 96.2 94.4 93.3 92.5 91.2 89.9 89.5 89.4
2005 88.9 88.4 88.1 86.7 84.7 84.6 84.8 83.6 82.5 82.3 81.9 80.5
2006 79.0 77.6 76.8 76.7 76.8 76.2 75.5 75.7 75.7 74.8 73.9 73.6
2007 73.5 73.3 72.8 72.3 71.6 71.0 70.6 70.1 70.1 70.1 69.9 69.5
2008 69.1 68.8 68.6 68.7 68.7 68.6 68.4 68.3 68.1 67.9 67.9 67.8
2009 67.9 67.9 68.0 68.1 68.1 68.4 68.8 69.4 70.2 70.6 70.9 71.3
2010 71.9 72.7 73.6 74.6 75.6 76.1 76.4 76.8 78.2 80.7 82.9 84.6
2011 86.2 88.0 90.7 94.6 99.3 104.1 107.7 109.3 109.7 110.1 111.1 113.2
2012 115.1 116.5 116.3 114.4 111.7 109.1 108.1 108.5 108.4 108.8 109.8 109.6e
2013 108.4e107.1e106.0e105.0e104.0e103.3e102.4e101.4e100.6e 98.4e 95.5e 93.4
2014 91.8 90.5 89.3 88.2 87.5 86.9 86.5 86.0 85.9 85.8 85.4 85.1
2015 84.4 83.5 82.7 81.7 81.1 80.3 79.4 78.5 77.7 77.1 76.6 76.2
2016 76.0 75.7 75.6 75.6 75.5 75.3 75.1 74.8 74.5 74.2 73.8 73.3
2017 72.9 72.5 72.2 72.0 71.8 71.7 71.7 71.6 71.4 71.2 71.1 71.0
2018 70.9 70.7 70.6 70.5 70.4 70.1 70.0 69.9 69.8 69.7 69.6 69.4
2019 69.3 69.2 69.0 68.8 68.7 68.7 68.6 68.4 68.0 67.9 67.9 67.8
============================================================================
This page is updated monthly using observed monthly sunspot numbers from
the Solar Influences Data Analysis Center (http://sidc.oma.be). Monthly
values are smoothed using a 13 monthly running filter (first and last half weighting)
and, where needed, combined with a predicted sunspot number curve for Cycle 24.
Values which have an "e" next to them are based partly on observed and partly on
predicted values. Values earlier in time to these are based entirely on
observed values; values later in time are entirely predicted. Observed
data are adjusted slightly at times to use the SIDC final monthly values
which are available several months later - SIDC preliminary monthly values
are used up to this time.
All Solar Radio Flux values, including the "observed" values, are
obtained from sunspot numbers using a statistical conversion. They are
best described as equivalent solar flux values.
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