Introduction to Probability and Statistics for Engineers and Scientists

18 Chapter 2:Descriptive Statistics

TABLE 2.5 Normal Daily Minimum Temperature — Selected Cities

[In Fahrenheit degrees. Airport data except as noted. Based on standard 30-year period, 1961 through 1990]

Annual
State Station Jan. Feb. Mar. Apr. May June July Aug. Sept. Oct. Nov. Dec. avg.

AL Mobile............... 40.0 42.7 50.1 57.1 64.4 70.7 73.2 72.9 68.7 57.3 49.1 43.1 57.4

AK Juneau................ 19.0 22.7 26.7 32.1 38.9 45.0 48.1 47.3 42.9 37.2 27.2 22.6 34.1

AZ Phoenix.............. 41.2 44.7 48.8 55.3 63.9 72.9 81.0 79.2 72.8 60.8 48.9 41.8 59.3

AR Little Rock............ 29.1 33.2 42.2 50.7 59.0 67.4 71.5 69.8 63.5 50.9 41.5 33.1 51.0

CA Los Angeles........... 47.8 49.3 50.5 52.8 56.3 59.5 62.8 64.2 63.2 59.2 52.8 47.9 55.5

Sacramento........... 37.7 41.4 43.2 45.5 50.3 55.3 58.1 58.0 55.7 50.4 43.4 37.8 48.1

San Diego............ 48.9 50.7 52.8 55.6 59.1 61.9 65.7 67.3 65.6 60.9 53.9 48.8 57.6

San Francisco.......... 41.8 45.0 45.8 47.2 49.7 52.6 53.9 55.0 55.2 51.8 47.1 42.7 49.0

CO Denver............... 16.1 20.2 25.8 34.5 43.6 52.4 58.6 56.9 47.6 36.4 25.4 17.4 36.2

CT Hartford.............. 15.8 18.6 28.1 37.5 47.6 56.9 62.2 60.4 51.8 40.7 32.8 21.3 39.5

DE Wilmington........... 22.4 24.8 33.1 41.8 52.2 61.6 67.1 65.9 58.2 45.7 37.0 27.6 44.8

DC Washington........... 26.8 29.1 37.7 46.4 56.6 66.5 71.4 70.0 62.5 50.3 41.1 31.7 49.2

FL Jacksonville........... 40.5 43.3 49.2 54.9 62.1 69.1 71.9 71.8 69.0 59.3 50.2 43.4 57.1

Miami................ 59.2 60.4 64.2 67.8 72.1 75.1 76.2 76.7 75.9 72.1 66.7 61.5 69.0

GA Atlanta............... 31.5 34.5 42.5 50.2 58.7 66.2 69.5 69.0 63.5 51.9 42.8 35.0 51.3

HI Honolulu............. 65.6 65.4 67.2 68.7 70.3 72.2 73.5 74.2 73.5 72.3 70.3 67.0 70.0

ID Boise................. 21.6 27.5 31.9 36.7 43.9 52.1 57.7 56.8 48.2 39.0 31.1 22.5 39.1

IL Chicago.............. 12.9 17.2 28.5 38.6 47.7 57.5 62.6 61.6 53.9 42.2 31.6 19.1 39.5

Peoria................ 13.2 17.7 29.8 40.8 50.9 60.7 65.4 63.1 55.2 43.1 32.5 19.3 41.0

IN Indianapolis........... 17.2 20.9 31.9 41.5 51.7 61.0 65.2 62.8 55.6 43.5 34.1 23.2 42.4

IA Des Moines........... 10.7 15.6 27.6 40.0 51.5 61.2 66.5 63.6 54.5 42.7 29.9 16.1 40.0

KS Wichita............... 19.2 23.7 33.6 44.5 54.3 64.6 69.9 67.9 59.2 46.6 33.9 23.0 45.0

KY Louisville............. 23.2 26.5 36.2 45.4 54.7 62.9 67.3 65.8 58.7 45.8 37.3 28.6 46.0

LA New Orleans.......... 41.8 44.4 51.6 58.4 65.2 70.8 73.1 72.8 69.5 58.7 51.0 44.8 58.5

ME Portland.............. 11.4 13.5 24.5 34.1 43.4 52.1 58.3 57.1 48.9 38.3 30.4 17.8 35.8

MD Baltimore............. 23.4 25.9 34.1 42.5 52.6 61.8 66.8 65.7 58.4 45.9 37.1 28.2 45.2

MA Boston............... 21.6 23.0 31.3 40.2 49.8 59.1 65.1 64.0 56.8 46.9 38.3 26.7 43.6

MI Detroit............... 15.6 17.6 27.0 36.8 47.1 56.3 61.3 59.6 52.5 40.9 32.2 21.4 39.0

Sault Ste. Marie........ 4.6 4.815.3 28.4 38.4 45.5 51.3 51.3 44.3 36.2 25.9 11.8 29.8

MN Duluth............... −2.2 2.8 15.7 28.9 39.6 48.5 55.1 53.3 44.5 35.1 21.5 4.9 29.0

Minneapolis-St. Paul... 2.8 9.2 22.7 36.2 47.6 57.6 63.1 60.3 50.3 38.8 25.2 10.2 35.3

MS Jackson............... 32.7 35.7 44.1 51.9 60.0 67.1 70.5 69.7 63.7 50.3 42.3 36.1 52.0

MO Kansas City........... 16.7 21.8 32.6 43.8 53.9 63.1 68.2 65.7 56.9 45.7 33.6 21.9 43.7

St. Louis.............. 20.8 25.1 35.5 46.4 56.0 65.7 70.4 67.9 60.5 48.3 37.7 26.0 46.7

MT Great Falls............ 11.6 17.2 22.8 31.9 40.9 48.6 53.2 52.2 43.5 35.8 24.3 14.6 33.1

Source: U.S. National Oceanic and Atmospheric Administration, Climatography of the United States, No. 81.