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Solar flares in December 1984
C-class5
M-class0
X-class0
LargestC1.81984-12-01
Flares per day (C and above)
Same month a year earlier
| Month | C | M | X | Largest |
|---|---|---|---|---|
| December 1983 | 43 | 3 | 0 | M2.2 |
| December 1984 | 5 | 0 | 0 | C1.8 |
Top 15 flares
| Date | Begin | Peak | Min | Class | Location | Region |
|---|---|---|---|---|---|---|
| 1984-12-01 | 14:04 | 14:25 | 52 | C1.8 | – | – |
| 1984-12-09 | 16:49 | 17:19 | 52 | C1.3 | – | – |
| 1984-12-10 | 02:12 | 02:23 | 24 | C1.2 | – | – |
| 1984-12-21 | 02:36 | 02:50 | 56 | C1.1 | S13E34 | 4609 |
| 1984-12-02 | 08:55 | 09:13 | 36 | 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
5 flares of class C or larger in December 1984; by M/X count it ranks 463 of 565 months.