Ratios of extreme low TMIN on extreme positive and negative PNA days

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See these same figures WITHOUT terrain elevation shown

Figures show results for sets of stations determined by certain criteria.
Choose a viewing option from the set in a row.  All figures in a row are the same, and a small version is shown on the right.

Stations whose TMIN/PNA ratios are statistically significant
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Only PNG figures due to larger file sizes with terrain

Stations with >=0 extreme low TMIN days
PNG: (1200x900) | (640x480)
Open PNG in new window:
(1200x900) | (640x480)

Only PNG figures due to larger file sizes with terrain