. Bird-lore . bruary, but I have not theofficial records for that month. *Tbe minimum for the same date at the Weather Bureau Station in town was 2° Bird-Life in Southern Illinois 5 The normal or average mean temperature of the different months atOlney*, as shown by the records for twenty-two consecutive years, are as fol-lows: January, °; February, °; March, °; April, °; May,°; June, +°; July, +°; August, +°; September, °;October, °; November, °; December, °. The average meanannual temperature for the same period is ° (extremes
. Bird-lore . bruary, but I have not theofficial records for that month. *Tbe minimum for the same date at the Weather Bureau Station in town was 2° Bird-Life in Southern Illinois 5 The normal or average mean temperature of the different months atOlney*, as shown by the records for twenty-two consecutive years, are as fol-lows: January, °; February, °; March, °; April, °; May,°; June, +°; July, +°; August, +°; September, °;October, °; November, °; December, °. The average meanannual temperature for the same period is ° (extremes being ° °). The average date of the first killing frost in autumn is October average annual precipitation for the same period is inches, butvaries from inches (in 1891) to inches (in 1907), the monthly aver-ages being as follows: January, + inches; February, +; March, +;April, ; May, +; June, ; July, +; August, +; September,. A BIT OF LARCHMOUND ; October, ; November, +; December, +. The distribution isnot, however, so uniform as might appear from these averages, being, in fact,extremely irregular; that is to say, scarcely two years are closely similar indistribution of the rain- and snow-fall, and any one of the twelve months mayrepresent either the maximum or minimum monthly precipitation for the , in the twenty-two-year period the maximum monthly precipitation fora given year has fallen in every month except August and November, thesemonthly maximums (for the year) ranging from inches in (January, 1899)to inches (in September, 1911), the greatest amount recorded for each *The latitude of Olney is 38°4353; longitude, 88°o339; altitude, feet abovemean tide at Sandy Hook. fThe records are very incomplete as to the last killing frost in spring, the date havingbeen recorded for four years only. The average for these four years is April 24, the extreme
Size: 1987px × 1258px
Photo credit: © Reading Room 2020 / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., boo, bookcentury1800, bookdecade1890, booksubjectbirdsperiodicals
