List of magnetic storms in July 2004
Location — Hay River (geographic coordinates — 60.8 N -115.78 W | time zone UTC-06 - summer time)
Days with magnetic storms — 8
16 July 2004 — Magnetic storm of level G2
17 July 2004 — Magnetic storm of level G1
22 July 2004 — Magnetic storm of level G2
23 July 2004 — Magnetic storm of level G2
24 July 2004 — Magnetic storm of level G3
25 July 2004 — Magnetic storm of level G4
26 July 2004 — Magnetic storm of level G4
27 July 2004 — Magnetic storm of level G5
Days with geomagnetic disturbances — 4
11 July 2004 — geomagnetic disturbances
12 July 2004 — geomagnetic disturbances
13 July 2004 — geomagnetic disturbances
15 July 2004 — geomagnetic disturbances
Maximum of solar activity in July 2004
Solar radio flux (10.7 cm) = 175
Mean planetary A index = 162
Mean planetary Kp index = 9