Estimating Climate Trends: Application to United States Plant Hardiness Zones

<table>(a) Gridded annual minimum temperature trend as that of 2011-2012, relative to the 1976–2005 mean, over the coterminous USA. (b) Change in trend annual minimum temperature between 1970-1971 and 2011-2012. Units are K; pointwise 1-<svg height="8.3000002" id="M56" style="vertical-align:-0.1638pt" version="1.1" viewbox="0 0 9.7250004 8.3000002" width="9.7250004" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
<g transform="matrix(.017,0,0,-.017,.062,8.038)"><path d="M548 455q-32 -77 -74 -77q-37 0 -103 10l-3 -2q36 -30 48.5 -62t12.5 -80q0 -103 -75 -179.5t-175 -76.5q-70 0 -113 45t-43 128q0 115 83.5 200.5t209.5 85.5q31 0 77.5 -4t67.5 -4q36 0 62 30zM350 274q0 54 -17 86q-19 35 -57 35q-50 0 -90 -37.5t-59 -91.5t-19 -109
q0 -61 24.5 -96.5t65.5 -35.5q51 0 87.5 46.5t50.5 100.5t14 102z" id="x1D70E"></path></g>
</svg> uncertainties are around 0.6 K.</table>

Advances in Meteorology

fig5

Figure 5

Figure 5: Estimating Climate Trends: Application to United States Plant Hardiness Zones 