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Solar flares in December 2012
C-class45
M-class0
X-class0
LargestC5.72012-12-12
Sunspot number60.4NOAA SWPC
Flares per day (C and above)
Same month a year earlier
| Month | C | M | X | Largest |
|---|---|---|---|---|
| December 2011 | 141 | 8 | 0 | M4.0 |
| December 2012 | 45 | 0 | 0 | C5.7 |
Top 15 flares
| Date | Begin | Peak | Min | Class | Location | Region |
|---|---|---|---|---|---|---|
| 2012-12-12 | 07:22 | 07:27 | 8 | C5.7 | N11W16 | 11629 |
| 2012-12-10 | 05:49 | 05:58 | 12 | C5.5 | – | – |
| 2012-12-25 | 12:58 | 13:04 | 9 | C4.1 | N11W14 | 11635 |
| 2012-12-03 | 03:13 | 04:00 | 83 | C3.9 | – | – |
| 2012-12-07 | 21:13 | 21:21 | 14 | C3.9 | – | – |
| 2012-12-26 | 04:48 | 04:55 | 10 | C3.9 | – | – |
| 2012-12-25 | 18:04 | 18:10 | 11 | C3.0 | N13W17 | 11635 |
| 2012-12-01 | 10:17 | 10:30 | 25 | C1.9 | – | – |
| 2012-12-21 | 23:52 | 23:55 | 8 | C1.9 | – | – |
| 2012-12-22 | 03:57 | 04:05 | 12 | C1.9 | N11E31 | 11635 |
| 2012-12-22 | 22:15 | 22:20 | 8 | C1.9 | – | – |
| 2012-12-25 | 06:38 | 06:43 | 9 | C1.8 | N11E25 | 11635 |
| 2012-12-05 | 00:12 | 00:28 | 38 | C1.7 | – | – |
| 2012-12-24 | 16:07 | 16:14 | 15 | C1.7 | – | – |
| 2012-12-26 | 11:18 | 11:25 | 10 | C1.6 | – | – |
All times UTC. Until June 2017 classes are NOAA's reports of the time (GOES-15 and earlier included a 0.7 scaling factor); later classes come from calibrated GOES-16/18 data, so the same flare reads about 1.4× larger. Do not compare the two periods directly.
About this page
45 flares of class C or larger in December 2012; by M/X count it ranks 533 of 565 months.