熊谷市の8月の最高気温の変化

format-kumagaya.sh

#!/usr/bin/env bash
set -eEuo pipefail
file="${1-""}"
[[ -n "$file" ]] || {
    echo "Usage: $0 <file>" >&2
    exit 1
}

linecount=0
while read -r txtline; do
    linecount=$((linecount + 1))
    if ((linecount % 2 == 0)); then
        cat <<< "$txtline" |sed "s|	|,|g"
    else
        printf "%s," "$txtline"
    fi
done <"$file" | cut -d "," -f "1,9"

kumagaya-raw.txt

1897
8.1	8.6	10.7	16.1	22.7	23.7	27.1	29.3	24.5	20.2	15.2	10.1	18.0
1898
8.6	9.5	10.4	16.7	22.0	23.6	31.4	30.7	25.2	21.1	15.5	11.0	18.8
1899
9.1	9.2	13.2	18.2	23.1	26.8	27.2	30.9	23.7	19.6	14.9	10.4	18.9
1900
6.1	8.2	11.5	17.1	23.0	24.9	26.9	30.9	26.9	21.3	16.3	11.1	18.7
1901
8.8	9.1	13.2	17.9	21.1	25.2	25.9	29.8	27.1	21.5	15.6	10.9	18.8
1902
8.7	9.6	14.3	16.8	21.1	24.7	25.9	26.9	26.7	21.3	16.6	11.8	18.7
1903
9.8	9.3	12.6	17.5	21.3	24.9	27.7	31.2	26.8	19.3	15.0	9.5	18.7
1904
7.4	9.7	10.5	18.1	20.5	27.2	29.6	30.7	25.6	20.5	15.4	10.3	18.8
1905
10.1	8.2	11.2	16.1	22.3	25.3	28.1	25.7	26.4	21.1	15.3	11.6	18.5
1906
7.0	6.4	13.0	18.8	22.8	23.9	27.9	29.4	23.7	20.0	15.1	12.4	18.4
1907
8.9	9.0	11.1	17.9	22.5	24.4	28.0	30.5	25.7	20.3	15.9	10.4	18.7
1908
9.2	9.4	11.0	17.4	21.3	25.9	26.8	30.5	23.8	21.5	15.4	10.8	18.6
1909
6.3	8.9	10.9	19.4	22.4	24.9	29.6	30.8	25.6	20.2	16.2	11.7	18.9
1910
9.3	8.4	11.9	18.4	22.8	25.6	27.8	28.7	25.1	20.3	16.8	10.5	18.8
1911
7.4	10.9	13.4	19.1	22.2	26.1	29.1	30.0	27.2	20.7	17.9	10.6	19.6
1912
9.1	11.1	13.2	19.1	22.3	25.0	29.1	31.2	24.0	20.7	14.2	9.6	19.1
1913
7.0	9.8	12.3	19.1	21.2	25.3	28.0	29.3	24.6	20.2	15.0	10.9	18.6
1914
10.2	8.8	14.0	17.4	22.7	26.3	30.7	31.3	26.8	21.7	16.9	12.2	19.9
1915
7.9	8.2	11.8	16.9	21.5	27.3	30.0	29.9	26.3	21.5	16.1	11.8	19.1
1916
11.5	9.1	11.0	17.9	22.7	28.1	28.2	29.8	27.8	19.8	16.3	11.1	19.4
1917
8.2	11.1	11.2	18.3	21.9	24.3	31.4	29.8	25.1	20.6	14.0	10.3	18.9
1918
7.3	8.8	12.0	16.8	21.9	24.7	31.7	31.3	27.3	20.0	15.2	8.7	18.8
1919
7.0	8.9	14.2	19.3	22.2	25.7	28.7	30.0	26.8	21.0	15.6	10.3	19.1
1920
9.7	6.7	11.5	17.7	21.6	24.7	31.3	29.5	25.6	21.8	17.3	10.3	19.0
1921
9.7	8.8	11.2	19.0	21.4	23.1	29.2	30.2	24.4	19.9	15.5	10.6	18.6
1922
6.0	11.7	12.4	19.2	22.2	27.6	29.8	32.8	28.0	22.2	16.4	10.2	19.9
1923
7.1	7.9	14.3	17.6	21.4	25.0	28.7	32.9	27.7	21.5	17.0	11.1	19.4
1924
9.4	10.4	10.9	20.1	22.3	24.0	33.0	31.5	26.0	19.4	16.1	10.9	19.5
1925
8.7	7.7	12.4	17.7	22.1	25.3	27.3	29.9	26.6	20.9	16.3	12.5	19.0
1926
8.9	10.6	12.3	17.6	22.1	24.8	29.9	31.0	26.9	19.9	15.8	9.3	19.1
1927
8.4	7.5	11.3	18.9	22.4	26.2	30.7	30.9	24.8	21.1	15.9	11.0	19.1
1928
9.1	8.8	12.2	18.0	22.8	24.2	27.7	28.4	28.1	20.6	16.1	10.3	18.9
1929
8.2	9.4	13.6	18.3	20.6	26.0	30.9	32.2	24.3	20.3	15.3	12.7	19.3
1930
8.7	9.5	13.2	19.5	23.1	26.3	30.7	30.9	26.4	21.6	15.7	10.6	19.7
1931
7.6	6.3	13.9	18.1	22.3	25.3	25.3	31.2	26.1	20.8	16.2	11.8	18.7
1932
11.2	9.0	12.6	17.1	23.6	23.5	30.1	30.6	25.5	21.1	15.9	10.8	19.3
1933
7.8	8.8	10.5	16.8	23.7	27.1	31.5	31.3	28.0	21.0	16.2	11.3	19.5
1934
7.8	9.7	11.7	15.9	23.8	27.4	27.6	30.1	24.5	18.5	16.0	10.5	18.6
1935
8.6	9.3	12.0	17.9	21.7	26.8	29.0	28.5	23.8	21.9	15.0	10.9	18.8
1936
6.8	6.4	10.5	17.0	21.4	26.6	29.9	30.6	28.6	20.2	14.9	11.0	18.7
1937
9.0	10.0	12.6	17.9	22.8	24.4	30.3	33.1	26.4	20.3	16.4	10.9	19.5
1938
8.5	7.7	14.3	18.8	23.2	24.8	29.1	29.6	26.2	20.7	16.5	11.0	19.2
1939
7.3	9.0	12.1	17.4	21.7	25.5	31.6	30.3	27.9	22.2	16.9	11.6	19.5
1940
8.8	9.0	13.6	18.8	24.3	27.6	32.0	28.9	26.3	21.9	17.1	11.9	20.0
1941
10.7	11.0	13.0	17.6	22.5	24.9	27.2	29.1	24.3	22.1	16.2	11.5	19.2
1942
8.7	7.5	15.3	19.9	22.5	26.7	32.0	30.7	28.3	21.1	15.6	10.8	19.9
1943
8.3	9.8	12.6	18.1	23.5	25.6	29.2	31.8	27.7	21.7	16.5	11.8	19.7
1944
8.7	9.0	10.5	15.5	23.1	27.3	30.0	31.8	27.0	20.4	15.6	9.9	19.1
1945
7.1	6.3	12.2	20.4	20.8	24.6	25.8	30.9	25.7	20.3	16.5	10.8	18.5
1946
8.8	9.2	10.9	19.9	21.1	28.1	30.8	30.9	26.9	21.8	17.1	9.7	19.6
1947
8.2	8.5	12.0	19.8	21.8	23.3	30.6	32.8	26.5	20.7	16.1	10.1	19.2
1948
10.0	11.3	11.4	19.1	22.8	26.1	30.2	29.4	27.1	21.4	16.7	12.7	19.9
1949
11.2	11.0	11.8	17.1	24.1	23.1	29.9	31.3	26.3	20.1	14.8	11.1	19.3
1950
8.9	9.4	13.1	18.6	23.8	25.0	31.3	30.2	27.9	19.9	15.2	10.5	19.5
1951
8.2	9.1	13.3	18.0	23.0	26.3	28.4	31.7	24.2	21.8	16.1	13.3	19.5
1952
9.4	7.0	12.3	17.5	23.1	25.7	28.5	31.2	26.2	21.4	16.8	10.7	19.2
1953
8.6	9.5	14.0	18.0	22.3	24.6	27.5	28.7	25.2	21.8	15.3	12.3	19.0
1954
8.5	11.2	13.4	19.8	22.2	21.5	26.1	30.9	27.6	19.7	16.4	11.5	19.1
1955
9.5	11.5	12.8	17.6	22.6	27.6	31.6	30.1	25.8	21.0	16.1	13.4	20.0
1956
9.2	10.0	12.5	17.9	21.9	26.6	28.1	29.5	26.1	20.5	16.3	10.4	19.1
1957
10.6	8.7	12.1	19.1	21.8	23.7	27.6	31.2	23.7	21.8	17.5	12.9	19.2
1958
9.4	10.8	13.3	18.4	23.6	27.2	28.8	29.5	26.7	19.2	15.0	13.0	19.6
1959
8.3	11.7	13.0	19.4	23.2	24.0	29.4	30.1	26.8	21.2	15.8	12.2	19.6
1960
9.8	12.9	14.7	17.6	22.4	25.7	30.8	30.7	26.9	20.6	16.1	12.0	20.0
1961
8.9	9.5	13.3	20.1	24.5	26.9	31.4	30.5	29.2	21.6	16.9	11.9	20.4
1962
9.3	11.4	13.6	19.2	23.3	24.5	28.4	32.9	27.9	20.9	15.4	11.9	19.9
1963
8.7	9.6	12.5	19.0	21.9	25.9	29.5	30.1	24.7	20.5	16.4	12.7	19.3
1964
8.9	7.6	12.2	19.6	23.9	25.3	29.4	31.7	25.0	19.7	16.1	11.7	19.3
1965
9.4	10.4	11.7	16.5	22.0	26.0	28.0	31.6	25.8	21.8	16.6	10.8	19.2
1966
9.0	11.7	13.4	18.1	23.6	24.1	28.8	31.4	26.6	22.9	17.0	10.6	19.8
1967
9.2	9.2	14.3	18.4	25.2	27.8	29.8	32.1	25.7	20.6	15.5	10.9	19.9
1968
10.2	8.9	14.0	19.5	22.4	26.8	28.6	30.0	25.8	19.3	18.8	13.6	19.8
1969
9.6	9.0	12.0	19.2	24.4	26.5	28.5	31.8	26.5	20.4	16.4	12.0	19.7
1970
9.2	10.4	10.6	17.8	24.4	24.9	29.4	31.2	26.8	21.3	16.3	10.7	19.4
1971
9.1	10.3	13.4	18.3	22.8	25.6	30.6	31.7	24.6	19.1	16.8	12.3	19.6
1972
10.2	8.5	15.0	18.0	23.7	26.4	29.7	31.8	27.3	22.6	16.6	12.5	20.2
1973
10.7	12.3	12.8	20.5	23.8	24.2	31.6	34.1	27.4	21.4	16.4	11.6	20.6
1974
9.1	9.3	12.1	20.4	24.3	25.5	26.1	31.5	25.4	20.5	14.8	9.8	19.1
1975
7.7	8.1	12.1	18.4	23.4	25.2	29.8	31.9	28.9	19.8	15.3	10.2	19.2
1976
9.2	9.9	13.0	17.2	21.9	24.9	27.7	28.9	24.8	20.6	14.1	10.6	18.6
1977
6.7	9.0	13.4	19.8	23.5	24.4	30.7	28.1	27.6	22.6	17.7	12.6	19.7
1978
9.5	8.6	13.2	17.8	23.4	28.3	33.1	34.2	24.6	20.4	16.4	12.0	20.1
1979
10.9	11.9	13.7	17.9	23.3	29.3	29.2	31.1	26.7	22.7	16.6	13.3	20.6
1980
8.8	9.2	11.7	17.7	24.1	28.0	27.3	26.7	25.6	21.2	16.1	10.6	18.9
1981
8.1	8.9	13.3	19.1	22.2	24.2	31.3	30.5	25.2	20.8	13.5	11.2	19.0
1982
9.4	9.4	14.5	18.7	26.2	25.7	26.3	30.7	24.9	21.1	16.5	12.2	19.6
1983
9.5	9.3	11.9	20.6	25.2	25.2	27.6	31.1	25.8	20.8	15.8	10.4	19.4
1984
7.0	5.7	10.0	16.7	22.5	26.0	30.6	33.6	26.8	21.1	15.5	10.5	18.8
1985
7.8	9.5	11.0	18.8	24.2	23.8	30.7	33.3	26.3	20.9	16.5	10.1	19.4
1986
7.9	8.1	11.6	18.0	22.7	25.2	27.1	31.0	26.6	20.2	15.4	11.4	18.8
1987
9.4	10.1	12.9	19.8	24.4	27.6	31.5	31.4	26.2	22.2	15.1	11.6	20.2
1988
11.2	8.5	12.0	18.6	23.0	26.2	25.4	30.8	24.6	20.6	15.3	12.1	19.0
1989
10.6	10.5	13.3	20.2	21.6	24.5	28.0	31.1	28.4	20.5	16.8	12.1	19.8
1990
8.1	10.0	14.5	18.6	23.9	28.1	30.1	34.0	28.2	22.3	18.2	13.0	20.8
1991
9.9	10.3	13.6	19.4	24.1	27.9	30.2	29.8	26.7	20.5	15.9	12.2	20.0
1992
10.3	10.6	13.3	19.4	21.4	24.6	30.5	31.2	27.3	20.7	16.3	12.4	19.8
1993
9.0	11.7	13.1	18.8	23.9	25.7	25.1	28.0	25.2	20.3	17.0	11.3	19.1
1994
8.5	10.1	12.0	21.3	24.4	26.6	33.0	34.3	28.4	22.9	16.8	12.4	20.9
1995
9.7	10.4	12.7	19.9	23.4	23.8	30.4	34.7	27.1	23.1	16.4	11.8	20.3
1996
10.0	9.6	13.3	18.3	23.0	26.5	31.2	30.8	26.2	21.6	15.8	12.9	19.9
1997
10.5	11.1	15.2	20.3	23.8	27.9	31.5	31.9	26.1	23.0	17.3	11.9	20.9
1998
8.8	11.0	15.1	20.4	25.1	25.2	29.4	30.9	27.7	22.9	17.0	12.4	20.5
1999
10.5	11.0	13.9	19.2	25.0	27.7	30.8	33.1	29.7	22.6	17.4	12.2	21.1
2000
10.8	9.9	14.2	19.2	25.1	26.8	32.9	33.2	28.6	21.4	15.9	12.2	20.9
2001
8.0	10.8	14.2	21.3	24.7	27.1	34.7	29.9	26.5	21.9	17.1	11.7	20.7
2002
10.8	11.8	16.7	20.8	23.7	26.0	32.6	33.3	26.6	22.5	14.8	9.4	20.8
2003
8.7	10.3	12.9	19.7	23.7	27.3	26.0	30.0	28.2	21.3	17.3	12.5	19.8
2004
10.0	13.0	14.9	22.4	24.3	28.7	34.9	31.9	28.8	20.4	18.3	13.0	21.7
2005
9.2	10.0	12.9	21.0	23.4	28.3	29.7	32.8	28.7	21.9	17.0	9.6	20.4
2006
8.5	10.2	14.3	18.1	23.4	26.3	28.7	32.6	27.2	23.0	17.2	12.2	20.1
2007
10.7	12.6	15.5	18.8	25.4	28.4	27.8	34.3	29.2	22.3	16.4	12.2	21.1
2008
9.3	9.2	15.6	19.8	23.6	26.0	32.2	31.0	28.0	23.1	16.3	12.8	20.6
2009
10.1	11.5	14.1	20.9	24.9	27.0	30.1	30.8	27.2	22.2	16.6	12.1	20.6
2010
11.0	9.9	13.0	16.9	24.1	29.1	32.6	34.8	30.0	21.9	17.2	13.3	21.2
2011
9.3	11.3	13.3	20.2	23.8	27.8	33.0	32.0	29.4	22.2	18.0	10.8	20.9
2012
8.4	9.3	12.9	18.9	24.4	26.0	31.5	35.2	30.8	23.1	15.7	10.7	20.6
2013
9.4	9.9	16.9	19.4	25.6	28.0	32.0	33.9	28.5	22.8	16.6	11.8	21.2
2014
10.2	8.6	14.3	20.6	26.4	27.9	31.3	31.7	27.1	22.3	16.8	10.8	20.7
2015
9.9	10.2	15.5	19.9	27.6	27.5	31.6	31.4	26.3	22.8	17.3	13.3	21.1
2016
10.5	11.9	14.9	20.6	26.1	27.5	30.4	32.3	28.2	22.6	15.2	13.2	21.1
2017
10.6	11.5	13.1	20.7	25.9	27.8	32.8	30.5	27.8	20.6	16.2	11.5	20.8
2018
9.5	10.4	16.8	22.9	25.9	27.9	34.5	34.0	26.9	23.3	18.3	12.5	21.9
2019
10.7	11.8	15.4	19.6	26.9	26.9	28.5	33.6	29.5	23.4	17.5	12.3	21.3
2020
11.5	12.7	15.8	18.4	25.4	28.5	27.6	35.6	28.6	21.4	18.1	12.7	21.4
2021
10.1	13.7	17.0	20.6	24.7	28.3	31.3	32.0	26.1	22.5	18.2	12.4	21.4
2022
9.3	10.4	16.5	20.7	24.4	28.8	33.0	32.6	28.8	21.5	18.6	12.2	21.4
2023
10.4	11.9	18.3	22.2	25.4	28.4	34.9	35.4	31.9	23.8	18.7	14.1	23.0

kumagaya.csv