半旬ごとの値
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支笏湖畔（石狩地方) 1991年（半旬ごとの値） 主な要素
| 月 | 半旬 | 日～日 | 降水量 | 気温 | 湿度 | 風向・風速 | 日照 時間 (h) |
雪 | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 合計 (mm) | 最大 | 平均 | 最高 (℃) | 最低 (℃) |
平均 (％) | 最小 (％) |
平均 風速 (m/s) | 最大 | 最大瞬間 | 降雪の深さ | 最深 積雪 (cm) |
|||||||||||
| 日 (mm) | 1時間 (mm) | 10分間 (mm) |
日平均 (℃) | 日最高 (℃) | 日最低 (℃) |
風速 (m/s) | 風向 | 風速 (m/s) | 風向 | 合計 (cm) | 日合計の最大 (cm) |
|||||||||||
| 第1半旬 | 1～ 5 | 5 | 2 | 1 | /// | -3.4 | -1.1 | -5.6 | 2.4 | -7.3 | /// | /// | 1.3 | 3 | 北西 | /// | /// | 8.9 | /// | /// | /// | |
| 第2半旬 | 6～10 | 13 | 5 | 2 | /// | -1.4 | 1.4 | -4.3 | 2.3 | -6.2 | /// | /// | 1.3 | 3 | 北西 | /// | /// | 10.2 | /// | /// | /// | |
| 第3半旬 | 11～15 | 18 | 17 | 6 | /// | -1.3 | 1.5 | -3.6 | 2.6 | -4.8 | /// | /// | 0.5 | 2 | 西南西 | /// | /// | 9.3 | /// | /// | /// | |
| 第4半旬 | 16～20 | 41 | 38 | 9 | /// | -1.6 | 1.0 | -4.6 | 3.2 | -7.5 | /// | /// | 0.6 | 2 | 西 | /// | /// | 6.0 | /// | /// | /// | |
| 第5半旬 | 21～25 | 25 | 17 | 3 | /// | -3.2 | -0.7 | -5.9 | 2.0 | -9.3 | /// | /// | 0.8 | 3 | 北西 | /// | /// | 11.5 | /// | /// | /// | |
| 第6半旬 | 26～31 | 58 | 24 | 4 | /// | -3.4 | -0.8 | -5.7 | 1.6 | -8.5 | /// | /// | 0.9 | 3 | 北北西 | /// | /// | 7.3 | /// | /// | /// | |
| 第1半旬 | 1～ 5 | 6 | 2 | 1 | /// | -4.0 | -1.3 | -7.2 | 0.5 | -9.9 | /// | /// | 0.9 | 2 | 北 | /// | /// | 6.4 | /// | /// | /// | |
| 第2半旬 | 6～10 | 10 | 8 | 2 | /// | -3.0 | 0.1 | -6.3 | 1.1 | -7.9 | /// | /// | 0.9 | 2 | 南西 | /// | /// | 11.4 | /// | /// | /// | |
| 第3半旬 | 11～15 | 26 | 19 | 3 | /// | -2.8 | -0.3 | -6.1 | 0.2 | -7.4 | /// | /// | 0.9 | 3 | 東北東 | /// | /// | 13.7 | /// | /// | /// | |
| 第4半旬 | 16～20 | 30 | 28 | 3 | /// | -7.6 | -4.7 | -11.2 | -1.9 | -15.2 | /// | /// | 1.8 | 5 | 西北西 | /// | /// | 18.9 | /// | /// | /// | |
| 第5半旬 | 21～25 | 11 | 4 | 2 | /// | -5.4 | -2.7 | -8.7 | -1.1 | -11.0 | /// | /// | 1.1 | 3 | 西北西 | /// | /// | 9.6 | /// | /// | /// | |
| 第6半旬 | 26～28 | 13 | 12 | 2 | /// | -1.0 | 2.4 | -4.2 | 3.6 | -6.9 | /// | /// | 1.0 | 4 | 西北西 | /// | /// | 4.9 | /// | /// | /// | |
| 第1半旬 | 1～ 5 | 2 | 1 | 1 | /// | -1.7 | 0.6 | -4.6 | 4.6 | -7.2 | /// | /// | 1.5 | 5 | 北西 | /// | /// | 19.9 | /// | /// | /// | |
| 第2半旬 | 6～10 | 20 | 7 | 2 | /// | -3.0 | -0.4 | -5.7 | 2.7 | -6.7 | /// | /// | 1.1 | 4 | 北西 | /// | /// | 10.1 | /// | /// | /// | |
| 第3半旬 | 11～15 | 12 | 7 | 3 | /// | -4.7 | -1.6 | -7.8 | 1.6 | -11.3 | /// | /// | 1.1 | 4 | 北西 | /// | /// | 9.3 | /// | /// | /// | |
| 第4半旬 | 16～20 | 9 | 8 | 3 ] | /// | 0.3 | 4.3 ) | -3.3 ) | 7.2 ) | -6.0 ) | /// | /// | 1.1 | 4 ) | 南南西 | /// | /// | 5.0 | /// | /// | /// | |
| 第5半旬 | 21～25 | 6 | 6 | 2 | /// | 0.5 | 3.8 | -2.9 | 6.8 | -5.7 | /// | /// | 1.0 | 3 | 北西 | /// | /// | 27.2 | /// | /// | /// | |
| 第6半旬 | 26～31 | 11 | 6 | 1 | /// | -0.2 | 2.2 | -2.7 | 3.6 | -5.0 | /// | /// | 0.8 | 3 | 西北西 | /// | /// | 4.6 | /// | /// | /// | |
| 第1半旬 | 1～ 5 | 0 | 0 | 0 | /// | 3.1 | 6.6 | -0.1 | 9.8 | -4.0 | /// | /// | 1.2 | 4 | 北西 | /// | /// | 30.4 | /// | /// | /// | |
| 第2半旬 | 6～10 | 13 | 6 | 2 | /// | 3.1 | 6.3 | 1.0 | 10.3 | 0.1 | /// | /// | 0.8 | 3 | 南西 | /// | /// | 5.2 | /// | /// | /// | |
| 第3半旬 | 11～15 | 26 | 26 | 6 | /// | 6.1 | 10.7 | 3.1 | 12.5 | 1.0 | /// | /// | 1.1 | 3 | 北西 | /// | /// | 25.9 | /// | /// | /// | |
| 第4半旬 | 16～20 | 13 | 7 | 4 | /// | 4.9 | 8.4 | 0.7 | 11.8 | -0.3 | /// | /// | 1.2 | 4 | 北 | /// | /// | 22.6 | /// | /// | /// | |
| 第5半旬 | 21～25 | 3 | 3 | 1 | /// | 6.0 | 12.8 ) | 1.1 ) | 18.1 ) | -0.7 ) | /// | /// | 0.7 | 2 | 西北西 | /// | /// | 28.4 | /// | /// | /// | |
| 第6半旬 | 26～30 | 48 | 34 | 9 | /// | 6.9 | 10.2 | 3.1 | 12.7 | 1.1 | /// | /// | 1.2 | 5 | 北北西 | /// | /// | 11.8 | /// | /// | /// | |
| 第1半旬 | 1～ 5 | 3 | 2 | 1 | /// | 5.3 | 10.5 | 1.0 | 17.3 | -1.7 | /// | /// | 1.1 | 3 | 北東 | /// | /// | 20.1 | /// | /// | /// | |
| 第2半旬 | 6～10 | 6 | 3 | 1 | /// | 11.3 | 17.6 | 6.3 | 21.5 | 5.8 | /// | /// | 0.8 | 2 | 南西 | /// | /// | 23.6 | /// | /// | /// | |
| 第3半旬 | 11～15 | 0 | 0 | 0 | /// | 11.9 | 18.6 | 5.4 | 20.1 | 4.8 | /// | /// | 0.8 | 3 | 北北西 | /// | /// | 37.9 | /// | /// | /// | |
| 第4半旬 | 16～20 | 65 | 59 | 12 | /// | 11.1 | 15.7 | 7.8 | 21.3 | 7.1 | /// | /// | 0.6 | 3 | 西北西 | /// | /// | 15.9 | /// | /// | /// | |
| 第5半旬 | 21～25 | 0 | 0 | 0 | /// | 14.5 | 21.1 | 8.2 | 26.7 | 7.1 | /// | /// | 0.4 | 2 | 西南西 | /// | /// | 29.3 | /// | /// | /// | |
| 第6半旬 | 26～31 | 0 | 0 | 0 | /// | 11.0 | 16.5 | 6.9 | 19.1 | 5.2 | /// | /// | 0.6 | 2 | 南西 | /// | /// | 28.6 | /// | /// | /// | |
| 第1半旬 | 1～ 5 | 6 | 4 | 3 | /// | 13.3 | 18.6 | 9.9 | 21.8 | 7.6 | /// | /// | 0.2 | 1 | 西北西 | /// | /// | 11.9 | /// | /// | /// | |
| 第2半旬 | 6～10 | 8 | 5 | 3 | /// | 15.5 | 21.5 | 10.8 | 26.8 | 8.4 | /// | /// | 0.2 | 1 | 北北東 | /// | /// | 16.3 | /// | /// | /// | |
| 第3半旬 | 11～15 | 13 | 11 | 3 | /// | 16.3 | 20.7 | 13.1 | 24.1 | 9.9 | /// | /// | 0.3 | 2 | 南南西 | /// | /// | 6.6 | /// | /// | /// | |
| 第4半旬 | 16～20 | 2 | 2 | 1 | /// | 16.0 | 21.6 | 12.1 | 23.7 | 10.2 | /// | /// | 0.2 | 1 | 北北東 | /// | /// | 9.3 | /// | /// | /// | |
| 第5半旬 | 21～25 | 1 | 1 | 1 | /// | 15.5 | 19.2 | 13.2 | 22.8 | 12.6 | /// | /// | 0.3 | 2 | 西南西 | /// | /// | 3.6 | /// | /// | /// | |
| 第6半旬 | 26～30 | 1 | 1 | 1 | /// | 17.6 | 21.8 | 14.3 | 27.3 | 13.0 | /// | /// | 0.1 | 1 | 北 | /// | /// | 2.3 | /// | /// | /// | |
| 第1半旬 | 1～ 5 | 0 | 0 | 0 | /// | 16.6 | 22.8 | 12.5 | 26.3 | 12.0 | /// | /// | 0.2 | 1 | 西北西 | /// | /// | 8.8 | /// | /// | /// | |
| 第2半旬 | 6～10 | 13 | 7 | 4 | /// | 16.9 | 20.0 | 14.9 | 22.7 | 14.4 | /// | /// | 0.3 | 1 | 北東 | /// | /// | 2.5 | /// | /// | /// | |
| 第3半旬 | 11～15 | 9 | 7 | 2 | /// | 15.7 | 18.8 | 13.8 | 19.8 | 12.9 | /// | /// | 0.3 | 1 | 西南西 | /// | /// | 0.3 | /// | /// | /// | |
| 第4半旬 | 16～20 | 87 | 66 | 12 | /// | 16.1 | 18.5 | 14.4 | 21.9 | 13.2 | /// | /// | 0.2 | 1 | 東南東 | /// | /// | 1.0 | /// | /// | /// | |
| 第5半旬 | 21～25 | 69 | 31 | 8 | /// | 18.1 | 21.6 | 16.3 | 25.5 | 12.8 | /// | /// | 0.2 | 1 | 南西 | /// | /// | 1.5 | /// | /// | /// | |
| 第6半旬 | 26～31 | 54 | 35 | 10 | /// | 18.3 | 21.7 | 16.1 | 23.7 | 15.0 | /// | /// | 0.3 | 1 | 西南西 | /// | /// | 2.7 | /// | /// | /// | |
| 第1半旬 | 1～ 5 | 18 | 10 | 4 | /// | 18.5 | 21.6 | 16.1 | 25.5 | 13.6 | /// | /// | 0.2 | 1 | 西南西 | /// | /// | 2.7 | /// | /// | /// | |
| 第2半旬 | 6～10 | 14 | 11 | 1 | /// | 17.2 | 21.2 | 14.7 | 26.9 | 13.1 | /// | /// | 0.2 | 1 | 北西 | /// | /// | 5.5 | /// | /// | /// | |
| 第3半旬 | 11～15 | 10 | 10 | 5 | /// | 18.5 | 22.6 | 16.2 | 25.7 | 15.4 | /// | /// | 0.2 | 2 | 南西 | /// | /// | 3.8 | /// | /// | /// | |
| 第4半旬 | 16～20 | 1 | 1 | 1 | /// | 19.3 | 22.2 | 17.5 | 26.4 | 16.4 | /// | /// | 0.2 | 1 | 南南西 | /// | /// | 5.2 | /// | /// | /// | |
| 第5半旬 | 21～25 | 181 | 181 | 19 | /// | 20.1 | 24.7 | 16.6 | 26.3 | 13.4 | /// | /// | 0.3 | 2 | 西 | /// | /// | 19.3 | /// | /// | /// | |
| 第6半旬 | 26～31 | 7 | 5 | 1 | /// | 17.1 | 21.9 | 13.7 | 24.8 | 11.6 | /// | /// | 0.4 | 2 | 北北西 | /// | /// | 23.0 | /// | /// | /// | |
| 第1半旬 | 1～ 5 | 15 | 15 | 4 | /// | 19.4 | 23.9 | 16.8 | 27.1 | 16.0 | /// | /// | 0.2 | 1 | 北東 | /// | /// | 7.9 | /// | /// | /// | |
| 第2半旬 | 6～10 | 14 | 14 | 9 | /// | 18.0 | 22.9 | 14.2 | 24.3 | 11.9 | /// | /// | 0.3 | 1 | 東北東 | /// | /// | 19.4 | /// | /// | /// | |
| 第3半旬 | 11～15 | 4 | 2 | 1 | /// | 15.6 | 20.3 | 12.3 | 21.9 | 11.6 | /// | /// | 0.3 | 1 | 北東 | /// | /// | 14.5 | /// | /// | /// | |
| 第4半旬 | 16～20 | 3 | 3 | 2 | /// | 14.5 | 18.7 | 11.6 | 21.4 | 9.8 | /// | /// | 0.3 | 2 | 南西 | /// | /// | 9.7 | /// | /// | /// | |
| 第5半旬 | 21～25 | 59 | 36 | 13 | /// | 13.4 | 17.2 | 10.1 | 19.8 | 8.9 | /// | /// | 0.3 | 1 | 北北東 | /// | /// | 9.6 | /// | /// | /// | |
| 第6半旬 | 26～30 | 71 | 41 | 14 | /// | 13.9 | 18.8 | 10.7 | 20.5 | 8.0 | /// | /// | 0.4 | 2 | 北 | /// | /// | 17.5 | /// | /// | /// | |
| 第1半旬 | 1～ 5 | 30 | 29 | 12 | /// | 13.3 | 17.2 | 9.7 | 19.7 | 8.3 | /// | /// | 0.4 | 2 | 北西 | /// | /// | 8.3 | /// | /// | /// | |
| 第2半旬 | 6～10 | 31 | 31 | 10 | /// | 12.5 | 16.2 | 10.2 | 18.2 | 8.7 | /// | /// | 0.3 | 2 | 南西 | /// | /// | 8.5 | /// | /// | /// | |
| 第3半旬 | 11～15 | 53 | 49 | 9 | /// | 11.6 | 14.6 | 9.6 | 17.4 | 7.8 | /// | /// | 0.4 | 2 | 西北西 | /// | /// | 4.6 | /// | /// | /// | |
| 第4半旬 | 16～20 | 114 | 95 | 17 | /// | 11.2 | 14.4 | 7.4 | 16.3 | 4.3 | /// | /// | 0.7 | 3 | 南 | /// | /// | 13.8 | /// | /// | /// | |
| 第5半旬 | 21～25 | 34 | 23 | 4 | /// | 6.8 | 10.3 | 3.7 | 12.3 | 3.1 | /// | /// | 0.5 | 2 | 西 | /// | /// | 3.7 | /// | /// | /// | |
| 第6半旬 | 26～31 | 19 | 13 | 8 | /// | 9.0 | 12.3 | 5.7 | 15.7 | 0.8 | /// | /// | 1.1 | 3 | 北西 | /// | /// | 14.7 | /// | /// | /// | |
| 第1半旬 | 1～ 5 | 22 | 11 | 5 | /// | 4.5 | 8.5 | 0.7 | 12.0 | -3.8 | /// | /// | 0.9 | 3 | 北西 | /// | /// | 10.8 | /// | /// | /// | |
| 第2半旬 | 6～10 | 12 | 9 | 2 | /// | 5.8 | 8.9 | 2.3 | 12.3 | -3.6 | /// | /// | 1.1 | 3 | 北 | /// | /// | 6.7 | /// | /// | /// | |
| 第3半旬 | 11～15 | 6 | 4 | 2 | /// | 0.5 | 2.7 | -1.0 | 4.2 | -2.5 | /// | /// | 1.2 | 3 | 北西 | /// | /// | 6.2 | /// | /// | /// | |
| 第4半旬 | 16～20 | 17 | 8 | 3 | /// | 2.9 | 6.4 | -0.8 | 8.4 | -4.5 | /// | /// | 0.7 | 4 | 南南西 | /// | /// | 10.2 | /// | /// | /// | |
| 第5半旬 | 21～25 | 4 | 1 | 1 | /// | 1.0 | 4.0 | -2.2 | 9.2 | -6.9 | /// | /// | 1.1 | 3 | 北西 | /// | /// | 4.2 | /// | /// | /// | |
| 第6半旬 | 26～30 | 1 | 1 | 1 | /// | 5.4 | 8.7 | 1.5 | 10.1 | 0.1 | /// | /// | 0.7 | 3 | 南南西 | /// | /// | 9.5 | /// | /// | /// | |
| 第1半旬 | 1～ 5 | 4 | 4 | 1 | /// | 2.0 | 5.0 | -1.4 | 8.7 | -3.4 | /// | /// | 0.9 | 4 | 南南西 | /// | /// | 8.4 | /// | /// | /// | |
| 第2半旬 | 6～10 | 1 | 1 | 1 | /// | -2.6 | 1.0 | -5.8 | 9.5 | -8.8 | /// | /// | 1.2 | 4 | 北西 | /// | /// | 7.1 | /// | /// | /// | |
| 第3半旬 | 11～15 | 1 | 1 | 1 | /// | -4.9 | -2.3 | -7.4 | 1.6 | -10.8 | /// | /// | 0.8 | 2 | 北北西 | /// | /// | 5.9 | /// | /// | /// | |
| 第4半旬 | 16～20 | 20 | 10 | 3 | /// | -0.8 | 1.9 | -3.7 | 8.8 | -6.7 | /// | /// | 1.0 | 3 | 北西 | /// | /// | 4.9 | /// | /// | /// | |
| 第5半旬 | 21～25 | 6 | 3 | 1 | /// | -2.1 | 0.9 | -6.0 | 4.7 | -8.6 | /// | /// | 0.8 | 3 | 西北西 | /// | /// | 8.4 | /// | /// | /// | |
| 第6半旬 | 26～31 | 42 | 21 | 3 | /// | -4.4 | -1.9 | -7.4 | -0.9 | -9.8 | /// | /// | 0.8 | 3 | 北西 | /// | /// | 6.5 | /// | /// | /// | |
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