年ごとの値
津山(岡山県) 年ごとの値 詳細(気温・蒸気圧・湿度)
年 | 気温(℃) | 蒸気圧 (hPa) | 湿度(%) | ||||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
平均 | 最高気温 | 最低気温 | 各階級の日数(平均) | 各階級の日数(最低) | 各階級の日数(最高) | ||||||||||||||||||
年 平均 | 最高 | 最低 | 年 平均 | 最低 | 最高 | <0℃ | ≧25℃ | <0℃ | ≧25℃ | <0℃ | ≧25℃ | ≧30℃ | ≧35℃ | 平均 | 平均 | 最小 | |||||||
値 | 日 | 値 | 日 | 値 | 日 | 値 | 日 | 値 | 日 | ||||||||||||||
12.6 | 18.7 | 35.4 | 8/11 | -1.3 | 1/12 | 7.9 | -9.5 | 1/8 | 23.8 | 8/29 * | 28 | 40 | 111 | 0 | 1 | 114 | 51 | 2 | 79 | ||||
12.8 | 18.9 | 35.6 | 8/6 * | 0.8 | 2/20 | 8.1 | -8.1 | 2/20 | 24.9 | 8/2 | 12 | 41 | 101 | 0 | 0 | 123 | 57 | 4 | 80 | ||||
12.5 | 18.3 | 35.6 | 8/18 | -1.3 | 2/7 | 7.8 | -10.1 | 2/9 | 25.0 | 8/27 * | 32 | 33 | 106 | 2 | 1 | 113 | 37 | 1 | 80 | ||||
13.3 | 19.0 | 36.1 | 7/24 | 1.3 | 1/6 | 8.6 | -7.5 | 1/19 | 24.4 | 7/20 | 16 | 45 | 92 | 0 | 0 | 120 | 55 | 7 | 80 | ||||
12.3 | 18.3 | 35.1 | 8/23 | 0.3 | 2/3 | 7.5 | -8.8 | 2/21 * | 24.7 | 7/27 | 25 | 48 | 106 | 0 | 0 | 109 | 54 | 3 | 78 | ||||
13.6 | 19.6 | 34.7 | 8/19 | 1.0 | 1/29 | 8.9 | -7.5 | 1/19 | 24.0 | 7/30 | 10 | 43 | 77 | 0 | 0 | 121 | 57 | 0 | 79 | ||||
13.0 | 18.7 | 34.7 | 8/6 | 1.3 | 1/5 | 8.4 | -7.5 | 1/17 | 23.7 | 8/16 * | 7 | 41 | 87 | 0 | 0 | 106 | 43 | 0 | 79 | ||||
13.6 | 19.1 | 35.2 | 8/2 | 2.2 | 1/6 | 9.0 | -7.9 | 1/7 | 25.6 | 7/21 | 5 | 49 | 79 | 1 | 0 | 115 | 48 | 1 | 78 | ||||
13.2 | 19.3 | 35.4 | 8/12 * | 0.8 | 1/21 | 8.4 | -7.7 | 1/23 | 24.9 | 8/19 | 10 | 39 | 79 | 0 | 0 | 122 | 42 | 5 | 13.2 | 78 | |||
13.2 | 18.9 | 34.4 | 8/28 * | 0.8 | 2/7 | 8.7 | -7.1 | 2/5 | 25.0 | 8/2 | 6 | 36 | 73 | 1 | 0 | 113 | 40 | 0 | 13.6 | 79 | |||
13.5 | 18.9 | 35.0 | 8/23 | 1.4 | 1/5 | 9.1 | -8.3 | 2/9 | 25.1 | 8/25 * | 7 | 36 | 79 | 3 | 0 | 111 | 32 | 1 | 14.2 | 79 | |||
13.5 | 19.1 | 34.7 | 8/24 | 3.4 | 1/29 * | 9.0 | -6.3 | 2/23 * | 25.0 | 8/26 | 3 | 37 | 61 | 1 | 0 | 95 | 35 | 0 | 13.9 | 79 | |||
13.8 | 19.8 | 35.0 | 8/11 | 1.6 | 1/16 | 8.9 | -10.9 | 1/12 | 24.4 | 8/30 | 6 | 48 | 88 | 0 | 0 | 126 | 53 | 1 | 14.2 | 78 | |||
13.1 | 18.8 | 37.0 | 8/12 | 1.7 | 1/8 | 8.4 | -8.4 | 1/9 | 24.0 | 9/7 * | 15 | 46 | 95 | 0 | 0 | 102 | 46 | 7 | 14.1 | 80 | |||
13.1 | 18.9 | 33.6 | 7/31 | 2.8 | 2/11 | 8.2 | -6.2 | 1/21 * | 24.4 | 8/22 | 5 | 37 | 96 | 0 | 0 | 104 | 31 | 0 | 13.7 | 79 | |||
13.8 | 19.6 | 35.1 | 7/22 | 1.2 | 1/3 | 8.9 | -8.7 | 1/4 | 24.6 | 7/31 | 9 | 45 | 84 | 0 | 0 | 123 | 59 | 2 | 14.5 | 80 | |||
14.3 | 20.3 | 36.5 | 8/3 | -0.3 | 1/17 | 9.4 | -8.9 | 1/18 | 24.7 | 8/8 | 7 | 49 | 69 | 0 | 1 | 125 | 61 | 3 | 15.0 | 80 | |||
13.8 | 19.9 | 36.5 | 8/1 | 0.1 | 12/30 | 8.9 | -8.3 | 12/31 | 25.0 | 8/23 * | 9 | 51 | 86 | 2 | 0 | 112 | 55 | 9 | 14.5 | 80 | |||
14.1 | 20.1 | 35.2 | 7/16 | 1.3 | 1/24 | 9.5 | -9.1 | 1/1 | 25.6 | 8/26 | 14 | 56 | 84 | 2 | 0 | 128 | 65 | 1 | 15.0 | 79 | 20 | 3/1 | |
13.3 | 19.5 | 36.6 | 7/28 | 0.6 | 1/1 | 8.5 | -7.0 | 1/27 * | 25.5 | 8/2 | 7 | 46 | 100 | 4 | 0 | 116 | 57 | 4 | 13.7 | 78 | 19 | 4/23 | |
12.8 | 18.4 | 34.1 | 7/19 | -2.0 | 1/24 | 8.6 | -12.8 | 1/24 | 24.3 | 7/15 | 31 | 39 | 101 | 0 | 3 | 105 | 49 | 0 | 14.2 | 81 | 19 | 4/26 | |
13.8 | 19.8 | 36.0 | 8/14 | 1.4 | 3/13 | 9.4 | -6.4 | 1/5 | 24.9 | 8/4 | 7 | 55 | 82 | 0 | 0 | 133 | 59 | 6 | 14.5 | 79 | 20 | 5/16 * | |
12.5 | 18.9 | 35.1 | 8/23 * | -0.4 | 1/12 | 7.6 | -7.2 | 1/26 | 24.4 | 8/5 | 14 | 32 | 105 | 0 | 2 | 118 | 41 | 2 | 13.2 | 79 | 17 | 4/7 | |
13.1 | 19.4 | 37.0 | 8/7 | 1.3 | 1/20 | 8.5 | -10.4 | 1/21 | 25.3 | 8/17 | 18 | 55 | 88 | 3 | 0 | 114 | 55 | 8 | 13.8 | 79 | 21 | 5/1 * | |
13.5 | 20.2 | 37.9 | 8/23 | -0.2 | 1/16 | 8.4 | -9.3 | 1/17 | 24.7 | 7/26 | 26 | 59 | 97 | 0 | 1 | 136 | 78 | 12 | 13.7 | 77 | 20 | 5/4 * | |
13.0 | 19.3 | 35.8 | 7/22 | 0.5 | 1/15 | 8.1 | -8.6 | 2/21 | 24.2 | 7/24 | 19 | 36 | 90 | 0 | 0 | 116 | 43 | 1 | 13.5 | 78 | 20 | 5/14 * | |
13.0 | 19.4 | 36.2 | 8/13 | 1.7 | 1/2 | 8.1 | -8.0 | 1/3 | 24.0 | 8/7 | 12 | 42 | 93 | 0 | 0 | 125 | 58 | 4 | 13.5 | 78 | 18 | 5/2 | |
13.1 | 19.1 | 36.3 | 7/21 | -1.1 | 1/5 | 8.4 | -9.9 | 1/20 | 24.8 | 7/30 | 14 | 52 | 106 | 0 | 1 | 116 | 54 | 6 | 13.9 | 78 | 18 | 5/14 | |
13.1 | 19.5 | 35.7 | 7/29 | 1.9 | 1/5 | 8.3 | -8.5 | 2/2 | 25.6 | 8/5 | 11 | 38 | 92 | 1 | 0 | 114 | 44 | 3 | 13.9 | 79 | 18 | 4/25 | |
13.3 | 19.5 | 35.8 | 8/5 | 4.6 | 2/26 | 8.6 | -6.6 | 3/2 | 23.5 | 8/9 * | 2 | 39 | 78 | 0 | 0 | 112 | 50 | 1 | 13.9 | 80 | 23 | 6/10 | |
13.4 | 19.8 | 38.0 | 8/13 | 0.6 | 12/24 | 8.6 | -6.5 | 2/25 | 25.5 | 8/17 | 7 | 58 | 96 | 1 | 0 | 126 | 61 | 10 | 14.0 | 79 | 23 | 4/30 | |
12.8 | 19.1 | 35.3 | 8/19 | 1.9 | 2/24 | 7.9 | -8.1 | 1/27 | 22.9 | 7/29 | 14 | 29 | 93 | 0 | 0 | 115 | 45 | 1 | 12.9 | 76 | 21 | 5/23 * | |
13.3 | 19.1 | 34.9 | 8/5 | 2.2 | 1/22 * | 8.8 | -6.5 | 1/31 | 24.2 | 7/31 | 11 | 41 | 96 | 0 | 0 | 125 | 60 | 0 | 13.3 | 77 | 15 | 4/19 | |
12.5 | 18.6 | 33.9 | 8/14 | 1.0 | 12/27 | 7.8 | -7.9 | 1/11 | 23.9 | 8/23 | 16 | 29 | 100 | 0 | 0 | 97 | 35 | 0 | 12.8 | 77 | 15 | 3/14 | |
13.3 | 19.6 | 35.7 | 7/27 | 0.5 | 3/5 | 8.5 | -10.5 | 2/17 | 24.3 | 8/17 | 27 | 34 | 87 | 0 | 0 | 114 | 49 | 3 | 13.5 | 77 | 17 | 5/20 | |
13.6 | 20.1 | 36.8 | 8/1 | 0.7 | 2/1 | 8.6 | -7.5 | 2/2 | 25.4 | 8/2 | 9 | 64 | 92 | 1 | 0 | 131 | 69 | 17 | 13.3 | 75 | 17 | 4/8 | |
13.6 | 19.9 | 36.1 | 8/18 * | 4.1 | 2/28 | 8.8 | -6.4 | 1/23 | 25.3 | 8/17 | 1 | 36 | 86 | 1 | 0 | 124 | 43 | 10 | 13.4 | 77 | 17 | 5/11 | |
12.6 | 18.4 | 34.3 | 7/21 | 1.8 | 1/9 | 8.0 | -8.0 | 12/30 | 22.9 | 7/22 * | 23 | 8 | 98 | 0 | 0 | 105 | 16 | 0 | 13.0 | 77 | 17 | 4/10 | |
12.5 | 18.5 | 36.0 | 8/20 | -4.0 | 2/26 | 7.7 | -11.1 | 2/28 | 23.8 | 8/11 * | 25 | 36 | 96 | 0 | 1 | 113 | 48 | 2 | 12.7 | 76 | 21 | 4/28 * | |
13.0 | 19.1 | 32.8 | 8/7 * | -0.6 | 1/29 | 8.2 | -7.7 | 1/31 | 23.3 | 8/13 | 13 | 19 | 80 | 0 | 1 | 112 | 36 | 0 | 12.7 | 75 | 20 | 4/20 * | |
13.3 | 19.5 | 36.3 | 8/14 | 1.8 | 1/22 | 8.4 | -7.3 | 1/21 | 25.3 | 8/17 | 17 | 43 | 88 | 1 | 0 | 130 | 55 | 5 | 13.1 | 76 | 20 | 4/25 * | |
12.7 | 18.9 | 36.4 | 8/12 | 0.2 | 2/7 | 7.9 | -8.5 | 2/8 | 25.2 | 8/21 | 34 | 55 | 109 | 1 | 0 | 128 | 59 | 5 | 12.9 | 75 | 18 | 4/7 * | |
13.3 | 19.4 | 36.6 | 9/4 * | -0.1 | 1/14 | 8.5 | -9.5 | 1/31 | 24.8 | 8/11 | 16 | 50 | 90 | 0 | 1 | 121 | 58 | 18 | 13.3 | 76 | 17 | 3/24 | |
12.5 | 18.7 | 34.4 | 8/15 | 0.4 | 1/5 | 7.6 | -8.1 | 2/26 | 23.8 | 8/27 | 31 | 33 | 110 | 0 | 0 | 115 | 47 | 0 | 12.6 | 75 | 15 | 4/14 | |
13.5 | 19.7 | 35.3 | 6/6 | 0.8 | 1/12 | 8.5 | -7.4 | 1/14 | 24.0 | 8/30 * | 10 | 40 | 86 | 0 | 0 | 129 | 57 | 1 | 13.4 | 77 | 14 | 4/15 | |
12.8 | 18.7 | 33.7 | 7/10 | 2.0 | 1/7 | 8.1 | -6.8 | 12/17 | 24.2 | 8/24 | 9 | 25 | 91 | 0 | 0 | 116 | 34 | 0 | 12.9 | 76 | 15 | 3/28 | |
13.6 | 19.5 | 34.6 | 8/4 | 2.2 | 1/28 | 8.9 | -5.7 | 1/6 | 24.6 | 7/26 | 1 | 33 | 66 | 0 | 0 | 109 | 48 | 0 | 13.1 | 76 | 17 | 4/6 | |
14.3 | 20.2 | 36.1 | 8/8 | 1.3 | 1/24 | 9.7 | -7.0 | 1/26 | 24.8 | 9/1 | 6 | 56 | 57 | 0 | 0 | 121 | 67 | 7 | 14.2 | 77 | 18 | 3/21 | |
14.0 | 19.7 | 35.8 | 8/19 | 1.2 | 12/29 | 9.5 | -7.9 | 2/26 | 25.2 | 7/29 | 9 | 42 | 67 | 2 | 0 | 130 | 52 | 4 | 13.6 | 76 | 18 | 4/3 | |
13.5 | 19.3 | 34.8 | 7/29 * | 3.5 | 2/1 | 8.9 | -5.2 | 2/23 | 23.9 | 9/4 | 0 | 36 | 69 | 0 | 0 | 108 | 44 | 0 | 13.1 | 76 | 17 | 5/4 | |
13.0 | 18.6 | 33.0 | 8/26 | 2.5 | 2/2 | 8.6 | -5.2 | 2/15 | 23.9 | 7/28 * | 2 | 12 | 79 | 0 | 0 | 111 | 14 | 0 | 13.1 | 78 | 17 | 4/18 * | |
14.4 | 20.5 | 37.8 | 8/7 * | 1.9 | 2/10 * | 9.4 | -5.6 | 1/16 | 26.0 | 8/14 | 4 | 66 | 79 | 5 | 0 | 139 | 77 | 28 | 13.7 | 75 | 16 | 4/27 | |
13.0 | 18.8 | 36.9 | 8/4 | -0.4 | 12/25 | 8.4 | -5.0 | 1/31 * | 24.1 | 8/24 | 9 | 49 | 91 | 0 | 1 | 110 | 50 | 12 | 13.4 | 79 | 22 | 5/9 | |
13.1 | 19.0 | 36.1 | 8/2 | -0.5 | 2/2 | 8.4 | -10.7 | 2/3 | 25.1 | 8/14 | 12 | 45 | 105 | 1 | 1 | 120 | 52 | 5 | 13.2 | 78 | 16 | 4/28 | |
13.6 | 19.4 | 33.7 | 9/2 | 0.4 | 1/5 | 8.8 | -6.4 | 1/22 | 24.7 | 8/10 | 4 | 41 | 79 | 0 | 0 | 105 | 52 | 0 | 13.6 | 78 | 16 | 4/27 | |
14.9 | 20.4 | 34.9 | 8/5 | 0.6 | 1/24 | 10.4 | -5.8 | 1/30 | 24.5 | 8/17 * | 5 | 56 | 66 | 0 | 0 | 135 | 64 | 0 | 14.9 | 79 | 16 | 3/26 | |
14.0 | 19.7 | 34.4 | 8/9 | -0.6 | 2/3 | 9.5 | -6.1 | 2/4 | 25.5 | 8/3 | 8 | 49 | 77 | 4 | 1 | 135 | 49 | 0 | 14.1 | 78 | 19 | 4/30 * | |
14.1 | 19.9 | 36.3 | 7/22 | 2.2 | 1/21 | 9.5 | -5.2 | 2/17 * | 25.9 | 7/30 | 4 | 63 | 75 | 2 | 0 | 129 | 71 | 4 | 13.9 | 77 | 16 | 4/1 | |
13.9 | 19.9 | 37.1 | 8/2 | 1.5 | 1/20 | 9.1 | -8.4 | 1/16 | 24.9 | 8/14 | 5 | 55 | 78 | 0 | 0 | 130 | 57 | 8 | 13.8 | 77 | 15 | 4/2 | |
14.1 | 20.1 | 36.0 | 7/28 | 2.6 | 1/26 | 9.4 | -5.1 | 2/16 | 25.1 | 7/31 | 2 | 58 | 71 | 1 | 0 | 135 | 66 | 10 | 13.6 | 76 | 15 | 3/17 | |
13.8 | 19.4 | 34.9 | 8/22 | -1.8 | 1/29 | 9.4 | -6.8 | 1/30 | 24.1 | 9/12 | 9 | 34 | 73 | 0 | 1 | 122 | 42 | 0 | 13.7 | 78 | 9 | 3/21 | |
14.6 | 21.0 | 36.1 | 7/30 | -0.7 | 1/22 | 9.7 | -9.0 | 1/26 | 24.8 | 8/6 | 9 | 59 | 72 | 0 | 1 | 145 | 66 | 1 | 13.9 | 74 | 11 | 4/13 | |
13.9 | 19.9 | 36.1 | 6/30 | 0.1 | 2/1 | 9.2 | -6.2 | 12/15 | 24.7 | 6/29 | 13 | 61 | 81 | 0 | 0 | 139 | 70 | 3 | 13.2 | 73 | 13 | 5/3 | |
13.9 | 19.7 | 36.4 | 8/8 | 1.9 | 12/29 | 9.4 | -6.2 | 2/10 | 25.3 | 8/20 * | 10 | 42 | 67 | 2 | 0 | 120 | 55 | 7 | 12.3 ] | 74 ] | 16 ] | 4/8 | |
14.4 | 20.4 | 37.3 | 8/16 | 5.0 | 2/17 | 9.7 | -5.0 | 2/3 | 25.4 | 8/15 | 0 | 51 | 70 | 2 | 0 | 131 | 56 | 6 | 13.4 | 73 | 12 | 4/28 | |
14.1 | 20.1 | 36.0 | 7/25 | 1.6 | 1/20 | 9.4 | -5.7 | 12/7 | 25.3 | 7/23 * | 5 | 57 | 74 | 4 | 0 | 134 | 67 | 13 | 13.3 | 74 | 12 | 5/27 | |
14.0 | 20.0 | 33.9 | 8/8 | 2.2 | 3/3 | 9.2 | -6.4 | 1/25 | 25.1 | 8/6 | 4 | 34 | 62 | 1 | 0 | 130 | 51 | 0 | 14.0 | 79 | 12 | 4/11 | |
14.4 | 20.1 | 36.2 | 8/19 | 1.2 | 12/30 | 9.8 | -5.7 | 1/27 | 25.8 | 8/5 | 4 | 65 | 64 | 5 | 0 | 127 | 80 | 8 | 14.2 | 76 | 16 | 4/26 | |
14.0 | 19.9 | 35.1 | 6/25 | 0.6 | 2/14 | 9.5 | -8.5 | 1/31 | 24.8 | 7/20 | 9 | 66 | 95 | 0 | 0 | 118 | 60 | 1 | 13.9 | 76 | 14 | 4/14 * | |
13.8 | 19.6 | 34.9 | 8/6 | -0.1 | 2/2 | 9.3 | -9.5 | 2/3 | 25.5 | 8/28 | 11 | 59 | 87 | 3 | 1 | 135 | 67 | 0 | 13.4 | 75 | 13 | 3/29 | |
14.0 | 20.2 | 37.0 | 8/11 | 2.7 | 2/8 | 9.3 | -5.0 | 12/29 | 24.5 | 8/16 * | 5 | 53 | 83 | 0 | 0 | 139 | 72 | 7 | 13.8 | 76 | 13 | 5/9 | |
13.7 | 19.6 | 35.2 | 7/31 | 0.9 | 12/17 | 9.1 | -5.3 | 1/12 | 25.0 | 7/30 | 4 | 36 | 83 | 1 | 0 | 132 | 41 | 2 | 13.3 | 76 | 10 | 4/12 | |
14.2 | 20.1 | 36.3 | 8/6 | 1.7 | 1/2 | 9.6 | -4.5 | 1/2 | 25.0 | 7/13 | 3 | 34 | 54 | 1 | 0 | 125 | 42 | 9 | 14.1 | 79 | 15 | 3/30 | |
14.7 | 20.5 | 37.1 | 8/14 | -1.8 | 1/24 | 10.2 | -6.9 | 1/25 | 24.7 | 8/13 | 4 | 55 | 65 | 0 | 1 | 134 | 57 | 11 | 15.0 | 80 | 14 | 4/15 | |
13.7 | 19.7 | 35.7 | 8/24 | 2.7 | 1/14 | 9.0 | -5.5 | 2/11 | 26.0 | 8/6 | 5 | 53 | 81 | 4 | 0 | 135 | 59 | 2 | 12.6 ] | 78 ] | 18 ] | 5/7 * | |
14.4 | 20.3 | 38.4 | 8/5 | 0.7 | 1/28 | 9.7 | -9.1 | 2/7 | 25.6 | 8/25 | 15 | 58 | 68 | 5 | 0 | 125 | 60 | 20 | 14.7 | 79 | 14 | 4/12 | |
14.5 | 20.5 | 36.6 | 8/13 | 2.2 | 1/26 | 9.8 | -4.3 | 1/25 | 25.6 | 8/7 | 0 | 47 | 61 | 3 | 0 | 137 | 59 | 5 | 14.7 | 80 | 12 | 5/12 | |
14.7 | 20.8 | 37.8 | 8/16 | 4.1 | 12/31 | 9.9 | -4.0 | 2/7 | 26.0 | 9/3 | 0 | 51 | 47 | 2 | 0 | 132 | 59 | 14 | 14.8 | 79 | 12 | 4/25 | |
14.5 | 20.8 | 37.9 | 8/5 | 2.3 | 1/8 | 9.7 | -9.0 | 1/9 | 24.9 | 8/4 | 6 | 43 | 63 | 0 | 0 | 135 | 48 | 6 | 14.9 | 81 | 12 | 4/11 | |
14.5 | 20.9 | 36.5 | 7/1 | 1.0 | 2/19 | 9.6 | -6.0 | 2/25 | 25.6 | 8/11 | 7 | 65 | 88 | 7 | 0 | 143 | 73 | 7 | 15.0 | 80 | 14 | 4/5 | |
14.9 | 21.1 | 36.7 | 8/12 * | 1.3 | 1/25 | 10.1 | -9.4 | 1/26 | 26.4 | 8/5 | 7 | 67 | 65 | 7 | 0 | 138 | 68 | 10 | 15.3 | 80 | 15 | 5/11 | |
15.5 | 21.4 | 37.1 | 7/29 | 4.4 | 1/24 | 10.9 | -5.5 | 1/17 | 26.4 | 8/3 | 1 | 76 | 57 | 8 | 0 | 156 | 83 | 24 | 15.8 | 79 | 14 | 4/10 * | |
6.4 ] | 13.5 ] | 29.7 ] | 4/19 | 0.9 ] | 2/7 | 0.9 ] | -6.5 ] | 2/7 * | 14.8 ] | 4/20 * | 10 ] | 0 ] | 62 ] | 0 ] | 0 ] | 11 ] | 0 ] | 0 ] | 7.3 ] | 75 ] | 15 ] | 3/14 |
- 寒候年とは、前年8月1日から当年7月31日までの期間のことです。例えば、2008年寒候年は2007年8月1日から2008年7月31日までの期間を示します。
- 値欄の記号の説明
- 赤線は、観測場所を移転した場合、観測装置を変更した場合または観測の時間間隔を変更した場合に、その前後のデータが均質でないことを示します。
赤実線の前後では観測データや観測史上1位などの極値を比較できませんが、赤点線の前後では極値を比較できます。