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Solar flares in December 2002
C-class147
M-class10
X-class0
LargestM6.82002-12-20
Sunspot number144.8NOAA SWPC
Flares per day (C and above)
M/X flares per day
Same month a year earlier
| Month | C | M | X | Largest |
|---|---|---|---|---|
| December 2001 | 155 | 47 | 3 | X6.2 |
| December 2002 | 147 | 10 | 0 | M6.8 |
Top 15 flares
| Date | Begin | Peak | Min | Class | Location | Region |
|---|---|---|---|---|---|---|
| 2002-12-20 | 13:13 | 13:18 | 7 | M6.8 | S25W34 | 10226 |
| 2002-12-19 | 21:34 | 21:53 | 43 | M2.7 | – | 10229 |
| 2002-12-04 | 22:41 | 22:49 | 16 | M2.5 | N16E61 | 10213 |
| 2002-12-16 | 11:07 | 11:15 | 19 | M2.5 | N17E32 | 10225 |
| 2002-12-18 | 06:31 | 06:42 | 25 | M2.4 | S28W03 | 10226 |
| 2002-12-16 | 22:45 | 22:55 | 35 | M1.9 | S27E10 | 10226 |
| 2002-12-17 | 22:57 | 23:35 | 48 | M1.6 | S27E00 | 10226 |
| 2002-12-16 | 23:33 | 23:36 | 7 | M1.3 | N06W08 | 10227 |
| 2002-12-10 | 12:19 | 12:26 | 12 | M1.1 | – | – |
| 2002-12-22 | 02:14 | 02:52 | 58 | M1.1 | N23W42 | 10223 |
| 2002-12-02 | 19:19 | 19:27 | 14 | C9.5 | N09E32 | 10208 |
| 2002-12-20 | 08:20 | 08:33 | 25 | C8.5 | S24W31 | 10226 |
| 2002-12-03 | 08:11 | 08:18 | 12 | C8.3 | N09E25 | 10208 |
| 2002-12-12 | 12:33 | 12:39 | 9 | C8.3 | – | – |
| 2002-12-13 | 13:25 | 13:32 | 13 | C8.0 | – | – |
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
157 flares of class C or larger in December 2002; by M/X count it ranks 240 of 565 months.