TABLE 1

Mean (± SD) monthly temperatures for collection site at Blue Diamond (30-y normal, PRISM Climate Group 2020) and propagation site at USGS shade house in Boulder City, Nevada, during study period (2020).

Blue Diamond (1067 m elev)
36.05361 N, 115.40083 W
Boulder City (770 m elev)
35.97897 N, 114.84136 W
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June25.5 ± 0.1428.3 ± 0.78
July30.0 ± 0.4932.0 ± 0.35
August30.8 ± 1.7733.2 ± 0.99
September26.0 ± 1.2728.9 ± 0.71
October20.1 ± 1.9123.9 ± 1.91
November11.3 ± 0.7113.8 ± 0.07