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Solar flares in December 2007
C-class12
M-class0
X-class0
LargestC8.32007-12-31
Sunspot number16.3NOAA SWPC
Flares per day (C and above)
Same month a year earlier
| Month | C | M | X | Largest |
|---|---|---|---|---|
| December 2006 | 53 | 5 | 4 | X9.0 |
| December 2007 | 12 | 0 | 0 | C8.3 |
Top 15 flares
| Date | Begin | Peak | Min | Class | Location | Region |
|---|---|---|---|---|---|---|
| 2007-12-31 | 00:37 | 01:11 | 61 | C8.3 | – | – |
| 2007-12-13 | 09:39 | 10:03 | 30 | C4.5 | S07W21 | 10978 |
| 2007-12-17 | 06:47 | 07:16 | 39 | C2.2 | S09W75 | 10978 |
| 2007-12-18 | 13:08 | 13:20 | 21 | C2.1 | – | – |
| 2007-12-13 | 21:52 | 22:00 | 27 | C1.7 | S07W25 | 10978 |
| 2007-12-30 | 19:32 | 20:05 | 47 | C1.7 | – | – |
| 2007-12-18 | 19:07 | 19:15 | 14 | C1.6 | – | – |
| 2007-12-16 | 03:49 | 03:55 | 14 | C1.2 | – | – |
| 2007-12-14 | 08:13 | 08:31 | 31 | C1.1 | S07W32 | 10978 |
| 2007-12-14 | 14:11 | 14:16 | 10 | C1.1 | – | – |
| 2007-12-18 | 14:47 | 14:52 | 9 | C1.1 | – | – |
| 2007-12-13 | 13:59 | 14:06 | 13 | C1.0 | – | – |
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
12 flares of class C or larger in December 2007; by M/X count it ranks 519 of 565 months.