SW-NCA-color-FINALweb

Present Weather and Climate: Evolving Conditions 77Table 5.1 Comparison of Southwest annual and seasonal surface temperaturesaveraged for 2001–2010Average TEMPERATURE1901–2000 6-State Avg. 2001–2010 DecadalSeasonMeanoF ( o C)Std.Dev.oF ( o C)MeanoF ( o C)AnomoF ( o C)Rank AZ CA CO NV NM UTDJF 35.1 (1.7) 0.7 (0.4) 36 (2.2) +0.9 (0.5) 2 3 2 3 2 3 2MAM 50.0 (10.0) 0.9 (0.5) 51.8 (11) +1.8 (1.0) 1 1 1 1 1 1 1JJA 70.0 (21.1) 0.9 (0.5) 72 (22.2) +2.0 (1.1) 1 1 1 1 1 1 1SON 53.2 (11.8) 0.7 (0.4) 54.7 (12.6) +1.4 (0.8) 1 1 1 1 1 1 1Annual 52.2 (11.2) 0.7 (0.4) 53.6 (12) +1.4 (0.8) 1 1 1 1 1 1 1MAXIMUM TEMPERATURESeason1901–2000 6-State Avg. 2001–2010 DecadalMeanoF ( o C)Std.Dev.oF ( o C)MeanoF ( o C)AnomoF ( o C)Rank AZ CA CO NV NM UTDJF 47.7 (8.7) 0.7 (0.4) 47.8 (8.8) +0.2 (0.1) 5 4 3 8 6 3 4MAM 64.6 (18.1) 0.9 (0.5) 66.2 (19) +1.6 (0.9) 1 1 2 1 2 1 1JJA 86.0 (30.0) 0.7 (0.4) 87.4 (30.8) +1.4 (0.8) 1 1 1 2 1 2 1SON 68.2 (20.1) 0.7 (0.4) 68.9 (20.5) +0.7 (0.4) 3 2 3 5 3 2 4Annual 66.6 (19.2) 0.7 (0.4) 67.6 (19.8) +1.1 (0.6) 1 1 1 2 1 1 1MINIMUM TEMPERATURE1901–2000 6-State Avg. 2001–2010 DecadalSeasonMeanoF ( o C)Std.Dev.oF ( o C)MeanoF ( o C)AnomoF ( o C)Rank AZ CA CO NV NM UTDJF 22.5 (-5.3) 0.9 (0.5) 24.1 (-4.4) +1.6 (0.9) 2 2 2 2 1 2 2MAM 35.6 (2.0) 0.9 (0.5) 37.4 (3.0) +1.8 (1.0) 1 1 2 1 1 1 1JJA 54.1 (12.3) 0.9 (0.5) 56.5 (13.6) +2.3 (1.3) 1 1 1 1 1 1 1SON 38.3 (3.5) 0.9 (0.5) 40.6 (4.8) +2.3 (1.3) 1 1 1 1 1 1 1Annual 37.6 (3.1) 0.9 (0.5) 39.7 (4.3) +2.2 (1.2) 1 1 1 1 1 1 1Note: Comparison of annual and seasonal surface temperatures for the six Southwestern states, averaged for2001–2010 versus 1901–2000, and a ranking of the 2001–2010 decadal averages relative to the ten individualdecades of the twentieth century. Results shown for daily averaged, maximum, and minimum temperatures.Source: PRISM monthly gridded analysis for 1901–2010 (PRISM Climate Group, Oregon State University,http://prism.oregonstate.edu).