title:<hr>子午面質量流線関数極大値の年々変動(N30-S30)<hr>
title:<hr>
STRM_1980-2001_NCEP:
STRM_1990-2001_NCEP:
title:<hr>中緯度ジェット極大値の年々変動(北半球はN30-N60, 南半球はS30-S60)<hr>
title:<hr>
JET_time-series_NCEP: