Analysis
- Source:気象庁
- Monthly data
- OHLC plot:Up = Red,Down = Blue
- 年毎のボックスプロット、月毎のボックスプロット、年毎のOHLCチャート、年平均(算術平均)の時系列チャート、原時系列チャート、ACFチャート(自己相関関数)を表示しています。
黄砂観測日数表:1967-01~2019-12
Year
|
Jan
|
Feb
|
Mar
|
Apr
|
May
|
Jun
|
Jul
|
Aug
|
Sep
|
Oct
|
Nov
|
Dec
|
1967
|
2
|
1
|
3
|
3
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
1968
|
0
|
0
|
2
|
8
|
5
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
1969
|
0
|
0
|
6
|
11
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
1970
|
2
|
0
|
4
|
3
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
1971
|
0
|
0
|
2
|
4
|
1
|
0
|
0
|
0
|
0
|
0
|
0
|
1
|
1972
|
0
|
0
|
0
|
4
|
1
|
0
|
0
|
0
|
0
|
1
|
3
|
1
|
1973
|
0
|
0
|
2
|
2
|
5
|
1
|
0
|
0
|
0
|
0
|
2
|
0
|
1974
|
0
|
1
|
4
|
5
|
0
|
0
|
0
|
0
|
0
|
0
|
1
|
0
|
1975
|
0
|
0
|
5
|
7
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
1976
|
4
|
3
|
3
|
11
|
8
|
0
|
0
|
0
|
0
|
0
|
0
|
4
|
1977
|
0
|
9
|
21
|
7
|
1
|
0
|
0
|
0
|
0
|
1
|
0
|
0
|
1978
|
1
|
2
|
8
|
6
|
3
|
0
|
0
|
0
|
0
|
0
|
0
|
2
|
1979
|
7
|
9
|
3
|
9
|
1
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
1980
|
0
|
0
|
0
|
6
|
4
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
1981
|
0
|
0
|
8
|
5
|
12
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
1982
|
0
|
0
|
3
|
0
|
5
|
1
|
0
|
0
|
0
|
0
|
0
|
4
|
1983
|
1
|
3
|
2
|
13
|
3
|
1
|
0
|
0
|
0
|
0
|
0
|
0
|
1984
|
0
|
4
|
9
|
1
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
1985
|
0
|
1
|
4
|
9
|
5
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
1986
|
0
|
0
|
4
|
1
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
1987
|
3
|
3
|
2
|
1
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
1988
|
2
|
4
|
0
|
11
|
2
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
1989
|
0
|
0
|
3
|
12
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
1990
|
1
|
3
|
17
|
10
|
6
|
0
|
0
|
0
|
0
|
0
|
0
|
3
|
1991
|
0
|
4
|
4
|
2
|
6
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
1992
|
0
|
0
|
0
|
14
|
6
|
0
|
0
|
0
|
0
|
1
|
0
|
0
|
1993
|
0
|
2
|
3
|
15
|
4
|
1
|
0
|
0
|
0
|
0
|
0
|
1
|
1994
|
0
|
6
|
13
|
11
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
1995
|
0
|
0
|
4
|
5
|
2
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
1996
|
2
|
8
|
6
|
5
|
7
|
0
|
0
|
0
|
0
|
0
|
3
|
0
|
1997
|
0
|
0
|
6
|
9
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
1998
|
0
|
2
|
4
|
7
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
1999
|
4
|
4
|
5
|
5
|
2
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
2000
|
0
|
1
|
13
|
17
|
13
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
2001
|
2
|
0
|
21
|
15
|
6
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
2002
|
0
|
5
|
14
|
18
|
1
|
6
|
0
|
0
|
0
|
0
|
3
|
0
|
2003
|
0
|
0
|
6
|
7
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
2004
|
0
|
4
|
9
|
13
|
4
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
2005
|
0
|
2
|
4
|
21
|
3
|
1
|
0
|
0
|
0
|
0
|
4
|
0
|
2006
|
0
|
0
|
15
|
21
|
4
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
2007
|
0
|
2
|
7
|
11
|
12
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
2008
|
0
|
0
|
7
|
1
|
1
|
1
|
0
|
0
|
0
|
0
|
0
|
0
|
2009
|
0
|
7
|
5
|
2
|
2
|
0
|
0
|
0
|
0
|
4
|
0
|
1
|
2010
|
0
|
0
|
9
|
6
|
15
|
0
|
0
|
0
|
0
|
0
|
4
|
6
|
2011
|
0
|
0
|
2
|
3
|
8
|
1
|
0
|
0
|
0
|
0
|
0
|
0
|
2012
|
0
|
0
|
1
|
8
|
2
|
0
|
0
|
0
|
0
|
0
|
0
|
1
|
2013
|
2
|
0
|
8
|
3
|
0
|
0
|
0
|
0
|
0
|
2
|
0
|
0
|
2014
|
2
|
0
|
0
|
0
|
6
|
2
|
0
|
0
|
0
|
0
|
0
|
0
|
2015
|
0
|
4
|
5
|
3
|
4
|
2
|
0
|
0
|
0
|
0
|
0
|
0
|
2016
|
0
|
0
|
0
|
9
|
2
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
2017
|
0
|
0
|
0
|
0
|
3
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
2018
|
0
|
0
|
2
|
8
|
1
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
2019
|
0
|
0
|
0
|
7
|
3
|
0
|
0
|
0
|
0
|
2
|
2
|
0
|
Descriptive Statistics
[1] "黄砂観測日数表"
[1] "1967-01~2019-12"
valuedata
n missing distinct Info Mean Gmd .05 .10 .25 .50 .75 .90 .95
636 0 19 0.693 1.675 2.737 0 0 0 0 2 6 9
lowest : 0 1 2 3 4, highest: 14 15 17 18 21
Value 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 17 18 21
Frequency 429 35 35 25 28 14 15 10 9 9 1 5 3 5 2 4 2 1 4
Proportion 0.675 0.055 0.055 0.039 0.044 0.022 0.024 0.016 0.014 0.014 0.002 0.008 0.005 0.008 0.003 0.006 0.003 0.002 0.006