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Query regrading plotting 95 % significance level - Printable Version

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Query regrading plotting 95 % significance level - PreetiRajpoot - Mar-09-2021

Hello all,
I am trying to add hatching (like dots, hashes, .. ) over contour map. Such hatching could represent the only the statistically significant contours, or contours with certain criteria like p values <= 0.05. I have trends values, and I need to mark these p values condition overworld map region. Can anyone tell me , in this code, in Levels what should i write?
levels = ?????????
filled_c1=ax.contourf(lons[:], lats[:], mam_swcrf_p[:,:],levels=levels ,hatches=["", "."], alpha=0)
Thanks.