21 December

Solar wind parameters were indicative of a nominal solar wind
environment. Solar wind speeds were relatively steady in the 340 – 380
km/s range. Total field strength values were steady near 4 nT while the
Bz component ranged between +4 nT and -4 nT. The phi angle was
predominately configured in a negative (toward) sector, with some
variability to a positive (away) sector between 21/0000 – 0800 UTC.

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