半旬ごとの値
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初山別（留萌地方) 1981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 | 6 | 5 | 1 | /// | -4.7 | -1.1 | -8.4 | 1.1 | -14.3 | /// | /// | 3.6 | 13 | 東南東 | /// | /// | 17.5 | /// | /// | /// | |
| 第2半旬 | 6～10 | 19 | 10 | 2 | /// | -6.1 | -2.9 | -11.8 | -1.6 | -16.3 | /// | /// | 3.9 | 10 | 西北西 | /// | /// | 14.7 | /// | /// | /// | |
| 第3半旬 | 11～15 | 3 | 2 | 1 | /// | -7.8 | -2.3 | -14.1 | -1.3 | -17.0 | /// | /// | 2.4 | 5 | 東北東 | /// | /// | 30.0 | /// | /// | /// | |
| 第4半旬 | 16～20 | 5 | 4 | 1 | /// | -8.5 | -3.0 | -16.2 | -1.8 | -19.5 | /// | /// | 3.1 | 8 | 西 | /// | /// | 19.5 | /// | /// | /// | |
| 第5半旬 | 21～25 | 7 | 4 | 1 | /// | -7.4 | -3.1 | -11.8 | 0.4 | -17.8 | /// | /// | 3.5 | 11 | 東 | /// | /// | 23.1 | /// | /// | /// | |
| 第6半旬 | 26～31 | 40 | 17 | 2 | /// | -8.0 | -5.6 | -10.7 | -3.2 | -16.9 | /// | /// | 3.5 | 8 | 北西 | /// | /// | 5.6 | /// | /// | /// | |
| 第1半旬 | 1～ 5 | 0 | 0 | 0 | /// | -6.5 | -0.9 | -13.0 | 0.6 | -15.3 | /// | /// | 2.9 | 6 | 西北西 | /// | /// | 33.5 | /// | /// | /// | |
| 第2半旬 | 6～10 | 10 | 4 | 3 | /// | -4.6 | -2.0 ] | -10.8 ] | -0.4 ] | -16.6 ] | /// | /// | 4.4 | 10 ) | 西北西 | /// | /// | 12.6 | /// | /// | /// | |
| 第3半旬 | 11～15 | 5 | 4 | 1 | /// | -4.6 | -0.3 | -10.4 | 0.7 | -16.2 | /// | /// | 2.6 | 7 | 西北西 | /// | /// | 22.7 | /// | /// | /// | |
| 第4半旬 | 16～20 | 1 | 1 | 1 | /// | -4.3 | -0.6 | -10.0 | 1.9 | -18.8 | /// | /// | 3.4 | 8 | 東 | /// | /// | 27.7 | /// | /// | /// | |
| 第5半旬 | 21～25 | 3 | 2 | 1 | /// | -7.8 | -4.8 | -12.0 | -2.9 | -15.7 | /// | /// | 3.4 | 9 | 西北西 | /// | /// | 22.5 | /// | /// | /// | |
| 第6半旬 | 26～28 | 3 | 2 | 1 | /// | -9.1 | -5.0 | -15.5 | -3.4 | -19.2 | /// | /// | 4.1 | 8 | 西北西 | /// | /// | 16.0 | /// | /// | /// | |
| 第1半旬 | 1～ 5 | 12 | 6 | 2 | /// | -2.4 | 0.0 | -5.6 | 1.5 | -7.5 | /// | /// | 5.7 | 11 | 西北西 | /// | /// | 17.9 | /// | /// | /// | |
| 第2半旬 | 6～10 | 6 | 6 | 2 | /// | -7.4 ) | -2.8 ) | -12.8 ) | -0.7 ) | -17.0 ) | /// | /// | 4.3 | 14 | 西北西 | /// | /// | 33.4 | /// | /// | /// | |
| 第3半旬 | 11～15 | 35 | 25 | 3 | /// | -2.1 | 1.7 | -8.1 | 4.8 | -15.0 | /// | /// | 3.4 | 8 | 北北東 | /// | /// | 21.9 | /// | /// | /// | |
| 第4半旬 | 16～20 | 6 | 4 | 1 | /// | -0.3 | 3.7 ) | -4.6 ) | 4.9 ) | -8.4 ) | /// | /// | 3.6 | 8 | 西南西 | /// | /// | 21.1 | /// | /// | /// | |
| 第5半旬 | 21～25 | 3 | 2 | 1 | /// | -2.3 | 1.9 | -7.1 | 4.0 | -9.8 | /// | /// | 2.6 | 7 | 北 | /// | /// | 43.2 | /// | /// | /// | |
| 第6半旬 | 26～31 | 9 | 4 | 1 | /// | -1.1 | 1.5 | -5.2 | 4.4 | -8.9 | /// | /// | 3.4 | 8 | 東 | /// | /// | 35.5 | /// | /// | /// | |
| 第1半旬 | 1～ 5 | 4 | 3 | 1 | /// | 4.1 | 6.3 | 0.9 | 8.6 | -0.2 | /// | /// | 3.3 | 6 | 南南西 | /// | /// | 31.5 | /// | /// | /// | |
| 第2半旬 | 6～10 | 3 | 3 | 1 | /// | 5.0 | 8.6 | -0.2 | 15.1 | -2.5 | /// | /// | 3.6 | 8 | 北 | /// | /// | 29.1 | /// | /// | /// | |
| 第3半旬 | 11～15 | 22 | 13 | 4 | /// | 2.8 ) | 5.1 ) | 0.1 ) | 6.1 ) | -1.8 ) | /// | /// | 3.9 | 8 | 西 | /// | /// | 16.4 | /// | /// | /// | |
| 第4半旬 | 16～20 | 0 | 0 | 0 | /// | 2.9 | 6.7 ) | -2.0 ) | 9.0 ) | -2.4 ) | /// | /// | 2.3 | 5 | 東 | /// | /// | 40.4 | /// | /// | /// | |
| 第5半旬 | 21～25 | 15 | 11 | 3 | /// | 7.9 | 13.0 | 2.9 | 18.6 | 0.7 | /// | /// | 3.7 | 7 | 南西 | /// | /// | 31.9 | /// | /// | /// | |
| 第6半旬 | 26～30 | 13 | 10 | 3 | /// | 9.5 | 12.7 | 5.6 | 19.2 | 1.8 | /// | /// | 4.2 | 8 | 南南西 | /// | /// | 30.8 | /// | /// | /// | |
| 第1半旬 | 1～ 5 | 3 | 2 | 1 | /// | 10.5 | 14.6 | 6.9 | 19.0 | 5.3 | /// | /// | 4.2 | 9 | 西南西 | /// | /// | 32.6 | /// | /// | /// | |
| 第2半旬 | 6～10 | 7 | 6 | 2 | /// | 10.6 | 14.7 | 5.6 | 19.2 | 3.7 | /// | /// | 2.9 | 7 | 南南西 | /// | /// | 35.2 | /// | /// | /// | |
| 第3半旬 | 11～15 | 26 ) | 20 ) | 5 ) | /// | 8.1 | 12.3 ) | 5.1 ) | 17.1 ) | 0.8 ) | /// | /// | 3.1 | 7 ) | 東南東 | /// | /// | 13.2 ) | /// | /// | /// | |
| 第4半旬 | 16～20 | 0 | 0 | 0 | /// | 8.4 | 14.2 | 2.0 | 19.6 | -0.5 | /// | /// | 2.7 | 6 | 南南西 | /// | /// | 52.0 | /// | /// | /// | |
| 第5半旬 | 21～25 | 3 | 2 | 1 | /// | 10.9 | 15.4 ) | 7.0 ) | 17.2 ) | 2.5 ] | /// | /// | 3.4 | 7 | 南南西 | /// | /// | 43.0 | /// | /// | /// | |
| 第6半旬 | 26～31 | 20 | 11 | 2 | /// | 6.2 | 8.6 | 2.9 | 10.7 | 1.1 | /// | /// | 3.2 | 8 | 東 | /// | /// | 16.8 | /// | /// | /// | |
| 第1半旬 | 1～ 5 | 6 | 3 | 3 | /// | 10.2 | 14.5 | 5.3 | 17.2 | 2.0 | /// | /// | 2.5 | 5 | 北西 | /// | /// | 58.4 | /// | /// | /// | |
| 第2半旬 | 6～10 | 0 | 0 | 0 | /// | 13.9 | 16.5 | 11.7 | 18.4 | 9.4 | /// | /// | 1.8 | 4 | 北西 | /// | /// | 33.9 | /// | /// | /// | |
| 第3半旬 | 11～15 | 9 | 6 | 2 | /// | 13.5 | 15.3 | 12.1 | 16.1 | 11.5 | /// | /// | 1.5 | 4 | 西北西 | /// | /// | 13.2 | /// | /// | /// | |
| 第4半旬 | 16～20 | 1 | 1 | 1 | /// | 14.8 | 17.4 | 12.1 | 20.9 | 11.5 | /// | /// | 1.7 | 4 | 北西 | /// | /// | 27.6 | /// | /// | /// | |
| 第5半旬 | 21～25 | 18 | 18 | 4 | /// | 14.7 | 18.6 | 10.8 | 20.5 | 8.8 | /// | /// | 2.8 | 7 | 西南西 | /// | /// | 25.6 | /// | /// | /// | |
| 第6半旬 | 26～30 | 5 | 3 | 1 | /// | 16.7 | 20.0 ) | 13.5 ) | 23.0 ) | 11.2 ) | /// | /// | 1.6 | 4 | 南 | /// | /// | 22.0 | /// | /// | /// | |
| 第1半旬 | 1～ 5 | 18 | 10 | 2 | /// | 16.7 | 19.7 | 14.4 | 22.0 | 13.3 | /// | /// | 2.4 | 7 | 南南東 | /// | /// | 20.9 | /// | /// | /// | |
| 第2半旬 | 6～10 | 23 | 14 | 7 | /// | 16.9 | 19.9 | 14.7 | 22.2 | 13.7 | /// | /// | 2.7 | 6 | 南南東 | /// | /// | 12.0 | /// | /// | /// | |
| 第3半旬 | 11～15 | 5 | 5 | 2 | /// | 18.9 | 21.6 ) | 15.5 ) | 27.0 ) | 13.6 ) | /// | /// | 2.4 | 4 | 南南西 | /// | /// | 31.8 | /// | /// | /// | |
| 第4半旬 | 16～20 | 8 | 8 | 5 | /// | 20.4 | 24.1 | 18.1 | 26.4 | 16.3 | /// | /// | 2.7 | 6 | 南南西 | /// | /// | 18.4 | /// | /// | /// | |
| 第5半旬 | 21～25 | 3 | 3 | 2 | /// | 18.9 | 23.4 | 14.3 | 28.0 | 11.9 | /// | /// | 2.5 | 5 | 南南西 | /// | /// | 37.9 | /// | /// | /// | |
| 第6半旬 | 26～31 | 0 | 0 | 0 | /// | 21.4 | 25.4 | 17.3 | 27.6 | 14.5 | /// | /// | 2.2 | 5 | 南南西 | /// | /// | 62.5 | /// | /// | /// | |
| 第1半旬 | 1～ 5 | 183 | 75 | 24 | /// | 21.7 | 24.3 | 19.3 | 28.9 | 16.3 | /// | /// | 3.4 | 10 | 南南西 | /// | /// | 14.0 | /// | /// | /// | |
| 第2半旬 | 6～10 | 18 | 10 | 10 | /// | 19.5 | 24.0 | 15.7 | 27.1 | 14.6 | /// | /// | 2.8 | 8 | 南南西 | /// | /// | 32.5 | /// | /// | /// | |
| 第3半旬 | 11～15 | 28 | 26 | 6 | /// | 18.3 | 20.9 ) | 15.6 ) | 22.8 ) | 15.2 ) | /// | /// | 1.9 | 5 | /// | /// | /// | 18.6 | /// | /// | /// | |
| 第4半旬 | 16～20 | 11 | 9 | 4 | /// | 18.3 | 22.4 | 14.8 | 23.8 | 11.9 | /// | /// | 1.8 | 6 | 東北東 | /// | /// | 23.4 | /// | /// | /// | |
| 第5半旬 | 21～25 | 27 | 27 | 6 | /// | 18.0 ) | 21.3 ) | 15.2 ) | 25.6 ] | 11.5 ) | /// | /// | 3.7 | 17 | 南南西 | /// | /// | 19.3 | /// | /// | /// | |
| 第6半旬 | 26～31 | 22 | 11 | 4 | /// | 19.5 | 21.5 ) | 17.1 ) | 23.3 ) | 14.4 ) | /// | /// | 3.7 | 9 | 西 | /// | /// | 29.4 | /// | /// | /// | |
| 第1半旬 | 1～ 5 | 73 | 52 | 11 | /// | 15.8 | 18.0 | 12.6 | 19.6 | 10.8 | /// | /// | 4.1 | 8 | 北 | /// | /// | 26.0 | /// | /// | /// | |
| 第2半旬 | 6～10 | 20 | 11 | 5 | /// | 16.0 | 19.3 | 12.5 | 21.6 | 9.6 | /// | /// | 4.0 | 9 | 西 | /// | /// | 27.3 | /// | /// | /// | |
| 第3半旬 | 11～15 | 63 | 52 | 8 | /// | 13.9 | 18.5 ) | 9.0 ) | 20.1 ) | 6.8 ) | /// | /// | 3.4 | 8 | /// | /// | /// | 33.1 | /// | /// | /// | |
| 第4半旬 | 16～20 | 1 | 1 | 1 | /// | 16.3 | 19.0 | 11.9 | 19.8 | 10.4 | /// | /// | 3.8 | 9 | 南南西 | /// | /// | 34.2 | /// | /// | /// | |
| 第5半旬 | 21～25 | 19 | 19 | 15 | /// | 16.2 | 19.9 | 12.1 | 20.7 | 9.9 | /// | /// | 2.7 | 6 | 西南西 | /// | /// | 28.8 | /// | /// | /// | |
| 第6半旬 | 26～30 | 18 | 15 | 3 | /// | 13.9 | 17.3 | 9.9 | 21.4 | 8.6 | /// | /// | 4.3 | 9 | 西北西 | /// | /// | 33.4 | /// | /// | /// | |
| 第1半旬 | 1～ 5 | 22 | 16 | 5 | /// | 12.5 | 16.1 | 8.4 | 17.8 | 6.9 | /// | /// | 3.9 | 10 | 北西 | /// | /// | 35.6 | /// | /// | /// | |
| 第2半旬 | 6～10 | 24 | 17 | 5 | /// | 13.3 | 16.7 ] | 8.5 ] | 18.4 ] | 7.0 ] | /// | /// | 5.3 | 13 | 西南西 | /// | /// | 17.5 | /// | /// | /// | |
| 第3半旬 | 11～15 | 19 | 15 | 5 | /// | 11.2 ) | 15.5 ] | 7.9 ] | 17.8 ] | 5.3 ] | /// | /// | 4.8 | 11 ) | 西 | /// | /// | 24.5 | /// | /// | /// | |
| 第4半旬 | 16～20 | 25 | 13 | 5 | /// | 8.7 | 11.2 | 5.2 | 13.9 | 2.3 | /// | /// | 4.2 | 10 | 西北西 | /// | /// | 25.6 | /// | /// | /// | |
| 第5半旬 | 21～25 | 38 | 25 | 4 ) | /// | 8.2 | 12.9 ) | 5.6 ) | 16.7 ) | 3.5 ) | /// | /// | 7.2 | 14 ] | 西 | /// | /// | 8.7 | /// | /// | /// | |
| 第6半旬 | 26～31 | 20 | 13 | 5 | /// | 8.9 | 11.7 | 4.9 | 13.9 | 2.2 | /// | /// | 4.9 | 9 | 西南西 | /// | /// | 27.2 | /// | /// | /// | |
| 第1半旬 | 1～ 5 | 33 | 20 | 5 | /// | 5.1 | 7.4 | 2.4 | 11.1 | 0.4 | /// | /// | 5.3 | 10 | 西 | /// | /// | 8.5 | /// | /// | /// | |
| 第2半旬 | 6～10 | 40 | 18 | 6 | /// | 0.8 | 2.3 ) | -0.8 ) | 4.1 ] | -2.4 ) | /// | /// | 6.2 | 10 | 西 | /// | /// | 4.3 | /// | /// | /// | |
| 第3半旬 | 11～15 | 52 | 25 | 6 | /// | 2.0 | 6.0 ) | -0.8 ) | 7.4 ) | -1.9 ) | /// | /// | 5.5 | 11 | 西 | /// | /// | 3.0 | /// | /// | /// | |
| 第4半旬 | 16～20 | 12 | 6 | 2 | /// | 2.4 | 5.1 | -0.6 | 7.7 | -4.2 | /// | /// | 6.8 | 10 | 西南西 | /// | /// | 6.6 | /// | /// | /// | |
| 第5半旬 | 21～25 | 19 | 8 | 6 | /// | -0.7 | 1.4 | -3.1 | 4.6 | -4.1 | /// | /// | 6.1 | 10 | 西北西 | /// | /// | 5.1 | /// | /// | /// | |
| 第6半旬 | 26～30 | 30 | 12 | 3 | /// | -3.6 | -1.5 | -6.5 | 0.9 | -9.9 | /// | /// | 5.0 | 11 | 西北西 | /// | /// | 7.4 | /// | /// | /// | |
| 第1半旬 | 1～ 5 | 18 | 15 | 4 | /// | -3.4 | -0.3 | -7.6 | 3.1 | -14.5 | /// | /// | 3.6 | 12 | 北西 | /// | /// | 14.8 | /// | /// | /// | |
| 第2半旬 | 6～10 | 6 | 3 | 1 | /// | -1.1 | 0.6 | -3.0 | 2.3 | -6.6 | /// | /// | 3.5 | 8 | 西 | /// | /// | 7.4 | /// | /// | /// | |
| 第3半旬 | 11～15 | 31 | 9 | 3 | /// | 1.0 | 3.5 ) | -0.3 ) | 4.6 ) | -2.9 ] | /// | /// | 5.2 | 15 | /// | /// | /// | 7.1 | /// | /// | /// | |
| 第4半旬 | 16～20 | 7 | 3 | 2 | /// | 0.2 | 2.8 | -2.2 | 4.5 | -6.2 | /// | /// | 4.7 | 10 | 西北西 | /// | /// | 9.3 | /// | /// | /// | |
| 第5半旬 | 21～25 | 9 | 5 | 1 | /// | 0.5 | 3.5 | -2.2 | 5.8 | -6.3 | /// | /// | 6.4 | 10 | 北西 | /// | /// | 4.0 | /// | /// | /// | |
| 第6半旬 | 26～31 | 10 | 4 | 2 | /// | -1.7 | 1.3 | -4.2 | 4.1 | -6.3 | /// | /// | 4.1 | 12 | 西 | /// | /// | 7.7 | /// | /// | /// | |
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