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Solar flares in July 1978
C-class92
M-class34
X-class4
LargestX1.51978-07-11
Flares per day (C and above)
M/X flares per day
Same month a year earlier
| Month | C | M | X | Largest |
|---|---|---|---|---|
| July 1977 | 5 | 0 | 0 | C0.2 |
| July 1978 | 92 | 34 | 4 | X1.5 |
Top 15 flares
| Date | Begin | Peak | Min | Class | Location | Region |
|---|---|---|---|---|---|---|
| 1978-07-11 | 10:54 | 10:58 | 56 | X1.5 | N20E46 | 1203 |
| 1978-07-09 | 00:01 | 00:33 | 98 | X0.3 | N19E68 | 1203 |
| 1978-07-10 | 06:20 | 06:24 | 47 | X0.3 | N18E58 | 1203 |
| 1978-07-11 | 22:15 | 22:31 | 66 | X0.2 | N18E38 | 1203 |
| 1978-07-21 | 18:57 | 19:00 | 29 | M0.8 | N17W90 | 1203 |
| 1978-07-10 | 16:55 | 17:34 | 42 | M0.7 | N19E54 | 1203 |
| 1978-07-18 | 19:22 | 19:58 | 100 | M0.6 | N17W52 | 1203 |
| 1978-07-10 | 01:37 | 01:43 | 81 | M0.5 | N18E63 | 1203 |
| 1978-07-10 | 18:19 | 19:20 | 184 | M0.4 | N17E54 | 1203 |
| 1978-07-12 | 02:49 | 02:51 | 2 | M0.4 | N18E36 | 1203 |
| 1978-07-07 | 09:46 | 09:51 | 38 | M0.3 | N15W90 | – |
| 1978-07-08 | 19:46 | 19:56 | 29 | M0.3 | N17E79 | 1203 |
| 1978-07-09 | 12:58 | 14:24 | 153 | M0.3 | N19E68 | 1203 |
| 1978-07-12 | 20:49 | 20:58 | 31 | M0.3 | N17E27 | 1203 |
| 1978-07-15 | 00:46 | 00:55 | 54 | M0.3 | N17W03 | 1203 |
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
130 flares of class C or larger in July 1978; by M/X count it ranks 75 of 565 months.