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Solar flares in December 2016
C-class5
M-class0
X-class0
LargestC4.02016-12-10
Sunspot number17.1NOAA SWPC
Flares per day (C and above)
Same month a year earlier
| Month | C | M | X | Largest |
|---|---|---|---|---|
| December 2015 | 94 | 6 | 0 | M4.7 |
| December 2016 | 5 | 0 | 0 | C4.0 |
Top 15 flares
| Date | Begin | Peak | Min | Class | Location | Region |
|---|---|---|---|---|---|---|
| 2016-12-10 | 16:48 | 17:15 | 49 | C4.0 | – | – |
| 2016-12-04 | 17:35 | 17:55 | 39 | C1.8 | S06W16 | 12615 |
| 2016-12-04 | 07:15 | 07:23 | 10 | C1.2 | S07W05 | 12615 |
| 2016-12-05 | 05:57 | 06:07 | 17 | C1.2 | S08W20 | 12615 |
| 2016-12-04 | 02:47 | 02:51 | 7 | C1.1 | S06W03 | 12615 |
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
5 flares of class C or larger in December 2016; by M/X count it ranks 540 of 565 months.