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Solar flares in December 2003
C-class104
M-class6
X-class0
LargestM2.02003-12-06
Sunspot number75.7NOAA SWPC
Flares per day (C and above)
M/X flares per day
Same month a year earlier
| Month | C | M | X | Largest |
|---|---|---|---|---|
| December 2002 | 147 | 10 | 0 | M6.8 |
| December 2003 | 104 | 6 | 0 | M2.0 |
Top 15 flares
| Date | Begin | Peak | Min | Class | Location | Region |
|---|---|---|---|---|---|---|
| 2003-12-06 | 15:39 | 15:46 | 14 | M2.0 | – | – |
| 2003-12-02 | 22:50 | 23:00 | 17 | M1.5 | – | 10508 |
| 2003-12-26 | 19:13 | 19:28 | 20 | M1.5 | N09W30 | 10528 |
| 2003-12-02 | 12:47 | 13:08 | 35 | M1.4 | – | 10508 |
| 2003-12-06 | 10:58 | 11:20 | 30 | M1.3 | – | – |
| 2003-12-31 | 18:21 | 18:24 | 5 | M1.0 | – | 10528 |
| 2003-12-19 | 08:05 | 08:18 | 25 | C9.3 | N08E40 | 10528 |
| 2003-12-17 | 02:55 | 03:13 | 30 | C8.6 | N08E72 | 10525 |
| 2003-12-18 | 09:19 | 09:31 | 18 | C8.6 | N08E53 | 10525 |
| 2003-12-31 | 21:31 | 22:17 | 116 | C8.3 | – | – |
| 2003-12-02 | 09:40 | 09:48 | 14 | C7.2 | – | 10508 |
| 2003-12-26 | 10:23 | 10:40 | 36 | C7.1 | N08W22 | 10528 |
| 2003-12-23 | 10:14 | 10:24 | 21 | C6.9 | – | 10525 |
| 2003-12-19 | 12:20 | 12:31 | 19 | C5.9 | – | 10525 |
| 2003-12-18 | 12:00 | 12:09 | 11 | C5.5 | – | – |
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
110 flares of class C or larger in December 2003; by M/X count it ranks 300 of 565 months.