半旬ごとの値
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初山別（留萌地方) 1997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 | 18 | 12 | 2 | /// | -1.4 | 0.8 | -6.7 | 1.9 | -12.1 | /// | /// | 2.8 | 7 | 西南西 | /// | /// | 5.1 | 22 | 10 | 34 | |
| 第2半旬 | 6～10 | 0 | 0 | 0 | /// | -6.3 | -2.0 | -11.3 | -0.1 | -15.2 | /// | /// | 2.1 | 4 | 東南東 | /// | /// | 28.7 | 5 | 4 | 28 | |
| 第3半旬 | 11～15 | 7 | 4 | 3 | /// | -3.9 | 0.1 | -8.8 | 5.3 | -15.8 | /// | /// | 4.3 | 10 | 西北西 | /// | /// | 14.0 | 25 | 15 | 36 | |
| 第4半旬 | 16～20 | 6 | 4 | 1 | /// | -3.9 | -1.8 | -6.6 | 0.3 | -11.1 | /// | /// | 4.3 | 13 | 西南西 | /// | /// | 9.2 | 27 | 14 | 37 | |
| 第5半旬 | 21～25 | 11 | 5 | 2 | /// | -4.6 | -2.0 | -8.4 | 0.6 | -13.2 | /// | /// | 4.0 | 10 | 西北西 | /// | /// | 7.8 | 32 | 11 | 45 | |
| 第6半旬 | 26～31 | 9 | 7 | 3 | /// | -2.4 | -0.7 | -4.6 | 1.0 | -6.1 | /// | /// | 3.5 | 8 | 西北西 | /// | /// | 7.8 | 31 | 18 | 54 | |
| 第1半旬 | 1～ 5 | 0 | 0 | 0 | /// | -3.3 | -0.5 | -8.2 | 2.0 | -11.0 | /// | /// | 1.9 | 5 | 北 | /// | /// | 17.7 | 7 | 3 | 42 | |
| 第2半旬 | 6～10 | 11 | 6 | 2 | /// | -2.1 | -0.1 | -5.1 | 2.1 | -5.8 | /// | /// | 3.0 | 7 | 西北西 | /// | /// | 8.6 | 42 | 28 | 61 | |
| 第3半旬 | 11～15 | 6 | 3 | 1 | /// | -5.8 | -2.0 | -11.7 | 0.1 | -14.7 | /// | /// | 2.9 | 7 | 北西 | /// | /// | 19.3 | 22 | 9 | 54 | |
| 第4半旬 | 16～20 | 20 | 7 | 2 | /// | -2.1 | 0.1 | -4.9 | 3.2 | -7.9 | /// | /// | 4.1 | 8 | 西 | /// | /// | 2.8 | 32 | 14 | 59 | |
| 第5半旬 | 21～25 | 2 | 2 | 1 | /// | -2.5 | -0.3 | -5.3 | 5.0 | -9.8 | /// | /// | 3.4 | 6 | 西北西 | /// | /// | 16.9 | 11 | 6 | 56 | |
| 第6半旬 | 26～28 | 0 | 0 | 0 | /// | -2.0 | 1.1 | -4.6 | 2.8 | -6.5 | /// | /// | 4.9 | 8 | 西北西 | /// | /// | 8.8 | 8 | 4 | 44 | |
| 第1半旬 | 1～ 5 | 7 | 3 | 1 | /// | -4.4 | -2.3 | -6.5 | 2.1 | -9.3 | /// | /// | 6.1 | 11 | 西北西 | /// | /// | 10.6 | 37 | 11 | 49 | |
| 第2半旬 | 6～10 | 7 | 6 | 1 | /// | -1.6 | 1.7 | -6.1 | 6.7 | -8.8 | /// | /// | 5.9 | 11 | 西北西 | /// | /// | 8.8 | 24 | 8 | 43 | |
| 第3半旬 | 11～15 | 0 | 0 | 0 | /// | -2.9 | 0.5 | -7.5 | 2.3 | -10.2 | /// | /// | 3.0 | 7 | 西北西 | /// | /// | 36.1 | 13 | 5 | 39 | |
| 第4半旬 | 16～20 | 2 | 1 | 1 | /// | -1.3 | 2.1 | -7.1 | 4.3 | -15.8 | /// | /// | 2.9 | 7 | 西北西 | /// | /// | 34.4 | 13 | 3 | 40 | |
| 第5半旬 | 21～25 | 8 | 5 | 2 | /// | -0.8 | 1.9 | -5.1 | 4.6 | -8.8 | /// | /// | 3.2 | 8 | 南西 | /// | /// | 21.5 | 24 | 11 | 37 | |
| 第6半旬 | 26～31 | 6 | 6 | 2 | /// | 3.4 | 6.6 | -0.6 | 14.1 | -6.4 | /// | /// | 5.1 | 11 | 南西 | /// | /// | 33.2 | 9 | 3 | 33 | |
| 第1半旬 | 1～ 5 | 0 | 0 | 0 | /// | 2.1 | 5.4 | -1.5 | 8.7 | -3.2 | /// | /// | 3.6 | 10 | 西 | /// | /// | 44.9 | 0 | 0 | 5 | |
| 第2半旬 | 6～10 | 7 | 4 | 2 | /// | 4.8 | 8.0 | 2.0 | 13.1 | -0.6 | /// | /// | 3.3 | 10 | 西 | /// | /// | 20.8 | 0 | 0 | 0 | |
| 第3半旬 | 11～15 | 6 | 5 | 2 | /// | 1.9 | 4.6 | -1.0 | 6.6 | -2.6 | /// | /// | 3.0 | 7 | 南西 | /// | /// | 31.4 | 0 | 0 | 0 | |
| 第4半旬 | 16～20 | 0 | 0 | 0 | /// | 4.4 | 7.3 | 0.3 | 8.9 | -2.5 | /// | /// | 2.5 | 5 | 南西 | /// | /// | 38.2 | 0 | 0 | 0 | |
| 第5半旬 | 21～25 | 7 | 6 | 2 | /// | 4.4 | 7.7 | 0.2 | 11.1 | -1.3 | /// | /// | 2.6 | 6 | 北西 | /// | /// | 21.8 | 0 | 0 | 0 | |
| 第6半旬 | 26～30 | 0 | 0 | 0 | /// | 9.7 | 13.1 | 5.8 | 17.2 | 0.6 | /// | /// | 3.9 | 7 | 南南西 | /// | /// | 27.1 | 0 | 0 | 0 | |
| 第1半旬 | 1～ 5 | 5 | 5 | 3 | /// | 9.4 | 13.1 | 4.6 | 16.7 | -0.5 | /// | /// | 4.1 | 8 | 南西 | /// | /// | 33.6 | 0 | 0 | 0 | |
| 第2半旬 | 6～10 | 33 | 17 | 4 | /// | 6.3 | 8.7 | 3.1 | 12.4 | 1.7 | /// | /// | 2.9 | 8 | 南西 | /// | /// | 5.0 | 0 | 0 | 0 | |
| 第3半旬 | 11～15 | 7 | 6 | 2 | /// | 10.3 | 14.8 | 4.1 | 20.4 | -0.6 | /// | /// | 2.2 | 6 | 南南西 | /// | /// | 32.1 | 0 | 0 | 0 | |
| 第4半旬 | 16～20 | 15 | 8 | 3 | /// | 11.3 | 15.4 | 7.4 | 17.0 | 4.3 | /// | /// | 1.9 | 6 | 東 | /// | /// | 17.9 | 0 | 0 | 0 | |
| 第5半旬 | 21～25 | 1 | 1 | 1 | /// | 10.8 | 13.5 | 7.8 | 16.6 | 6.4 | /// | /// | 1.4 | 4 | 南西 | /// | /// | 16.1 | 0 | 0 | 0 | |
| 第6半旬 | 26～31 | 2 | 2 | 1 | /// | 11.3 | 15.3 | 7.2 | 19.5 | 4.8 | /// | /// | 2.0 | 6 | 東 | /// | /// | 32.6 | 0 | 0 | 0 | |
| 第1半旬 | 1～ 5 | 22 | 13 | 7 | /// | 12.0 | 15.2 | 8.7 | 17.8 | 6.6 | /// | /// | 1.0 | 4 | 北西 | /// | /// | 8.6 | /// | /// | /// | |
| 第2半旬 | 6～10 | 24 | 19 | 4 | /// | 11.3 | 14.8 | 7.7 | 16.8 | 5.3 | /// | /// | 1.8 | 5 | 南東 | /// | /// | 14.1 | /// | /// | /// | |
| 第3半旬 | 11～15 | 4 | 2 | 1 | /// | 12.1 | 14.6 | 9.6 | 17.6 | 7.1 | /// | /// | 1.8 | 5 | 東北東 | /// | /// | 10.9 | /// | /// | /// | |
| 第4半旬 | 16～20 | 0 | 0 | 0 | /// | 14.6 | 18.4 | 11.0 | 20.8 | 5.8 | /// | /// | 1.9 | 4 | 南西 | /// | /// | 30.8 | /// | /// | /// | |
| 第5半旬 | 21～25 | 6 | 5 | 2 | /// | 17.0 | 20.1 | 13.5 | 21.4 | 9.7 | /// | /// | 1.9 | 4 | 南 | /// | /// | 9.9 | /// | /// | /// | |
| 第6半旬 | 26～30 | 0 | 0 | 0 | /// | 16.2 | 19.4 | 13.9 | 24.8 | 11.1 | /// | /// | 1.4 | 5 | 北北西 | /// | /// | 13.8 | /// | /// | /// | |
| 第1半旬 | 1～ 5 | 41 | 31 | 10 | /// | 17.3 | 20.7 | 13.9 | 23.7 | 10.3 | /// | /// | 2.3 | 5 | 南 | /// | /// | 9.7 | /// | /// | /// | |
| 第2半旬 | 6～10 | 35 | 24 | 5 | /// | 16.4 | 19.4 | 13.4 | 22.4 | 10.6 | /// | /// | 1.3 | 5 | 南東 | /// | /// | 2.2 | /// | /// | /// | |
| 第3半旬 | 11～15 | 7 | 7 | 3 | /// | 18.3 | 20.6 | 16.2 | 22.4 | 15.8 | /// | /// | 1.7 | 5 | 南西 | /// | /// | 17.7 | /// | /// | /// | |
| 第4半旬 | 16～20 | 10 | 10 | 4 | /// | 17.2 | 20.4 | 13.2 | 24.2 | 10.9 | /// | /// | 2.0 | 4 | 南南西 | /// | /// | 9.5 | /// | /// | /// | |
| 第5半旬 | 21～25 | 0 | 0 | 0 | /// | 20.2 | 24.7 | 15.9 | 26.0 | 13.9 | /// | /// | 1.7 | 3 | 南南西 | /// | /// | 49.8 | /// | /// | /// | |
| 第6半旬 | 26～31 | 0 | 0 | 0 | /// | 23.5 | 27.1 | 19.7 | 30.5 | 17.1 | /// | /// | 1.5 | 4 | 東 | /// | /// | 30.7 | /// | /// | /// | |
| 第1半旬 | 1～ 5 | 119 | 70 | 13 | /// | 20.9 | 22.4 | 19.0 | 24.1 | 16.1 | /// | /// | 1.7 | 5 | 北北西 | /// | /// | 0.0 | /// | /// | /// | |
| 第2半旬 | 6～10 | 38 | 19 | 7 | /// | 19.7 | 22.5 | 16.9 | 23.7 | 14.2 | /// | /// | 1.7 | 6 | 東北東 | /// | /// | 11.8 | /// | /// | /// | |
| 第3半旬 | 11～15 | 0 | 0 | 0 | /// | 17.7 | 22.0 | 13.7 | 22.7 | 12.4 | /// | /// | 1.9 | 4 | 北西 | /// | /// | 22.9 | /// | /// | /// | |
| 第4半旬 | 16～20 | 0 | 0 | 0 | /// | 16.8 | 20.2 | 13.2 | 21.6 | 12.6 | /// | /// | 1.1 | 4 | 北西 | /// | /// | 13.2 | /// | /// | /// | |
| 第5半旬 | 21～25 | 36 | 20 | 7 | /// | 18.4 | 21.6 | 14.7 | 24.1 | 8.3 | /// | /// | 1.9 | 6 | 東北東 | /// | /// | 18.8 | /// | /// | /// | |
| 第6半旬 | 26～31 | 1 | 1 | 1 | /// | 19.5 | 23.3 | 16.0 | 24.2 | 13.6 | /// | /// | 2.2 | 4 | 南南西 | /// | /// | 51.7 | /// | /// | /// | |
| 第1半旬 | 1～ 5 | 10 | 6 | 2 | /// | 17.8 | 22.8 | 12.8 | 26.2 | 10.4 | /// | /// | 1.9 | 4 | 南西 | /// | /// | 36.1 | /// | /// | /// | |
| 第2半旬 | 6～10 | 7 | 7 | 3 | /// | 19.3 | 23.6 | 14.6 | 24.8 | 11.1 | /// | /// | 2.3 | 5 | 西 | /// | /// | 52.9 | /// | /// | /// | |
| 第3半旬 | 11～15 | 11 | 7 | 3 | /// | 13.9 | 18.3 | 8.9 | 20.5 | 7.4 | /// | /// | 3.0 | 6 | 北西 | /// | /// | 30.6 | /// | /// | /// | |
| 第4半旬 | 16～20 | 12 | 11 | 3 | /// | 13.8 | 17.0 | 10.1 | 18.3 | 6.4 | /// | /// | 1.6 | 4 | 西北西 | /// | /// | 17.2 | /// | /// | /// | |
| 第5半旬 | 21～25 | 0 | 0 | 0 | /// | 12.8 | 18.6 | 6.2 | 21.9 | 3.0 | /// | /// | 2.5 | 5 | 西南西 | /// | /// | 45.1 | /// | /// | /// | |
| 第6半旬 | 26～30 | 29 | 21 | 3 | /// | 13.2 | 17.4 | 10.2 | 19.1 | 6.4 | /// | /// | 2.5 | 7 | 東 | /// | /// | 14.6 | /// | /// | /// | |
| 第1半旬 | 1～ 5 | 51 | 51 | 31 | /// | 14.3 | 18.5 | 9.6 | 20.0 | 6.2 | /// | /// | 2.4 | 5 | 南西 | /// | /// | 27.2 | /// | /// | /// | |
| 第2半旬 | 6～10 | 84 | 58 | 6 | /// | 10.1 | 14.2 ) | 6.0 ) | 18.9 ) | 2.6 ) | /// | /// | 3.9 | 9 | 西 | /// | /// | 21.9 | /// | /// | /// | |
| 第3半旬 | 11～15 | 56 | 26 | 7 | /// | 7.6 | 10.9 | 4.1 | 14.4 | 2.1 | /// | /// | 3.1 | 8 | 南西 | /// | /// | 9.7 | /// | /// | /// | |
| 第4半旬 | 16～20 | 41 | 26 | 23 | /// | 12.0 | 14.9 | 8.9 | 16.4 | 2.6 | /// | /// | 4.2 | 7 | 南西 | /// | /// | 11.0 | /// | /// | /// | |
| 第5半旬 | 21～25 | 35 | 19 | 9 | /// | 11.2 | 14.5 | 9.0 | 17.9 | 6.2 | /// | /// | 4.5 | 10 | 西 | /// | /// | 11.7 | 0 ] | 0 ] | 0 ] | |
| 第6半旬 | 26～31 | 35 | 8 | 5 | /// | 6.5 | 9.6 | 3.6 | 14.1 | 2.2 | /// | /// | 3.5 | 8 | 西南西 | /// | /// | 10.9 | 0 | 0 | 0 | |
| 第1半旬 | 1～ 5 | 36 | 25 | 11 | /// | 9.5 | 12.4 | 5.9 | 14.2 | 2.2 | /// | /// | 3.8 | 7 | 南西 | /// | /// | 24.0 | 0 | 0 | 0 | |
| 第2半旬 | 6～10 | 1 | 1 | 1 | /// | 6.0 | 8.6 | 1.4 | 11.4 | -0.7 | /// | /// | 4.1 | 8 | 西 | /// | /// | 15.1 | 0 | 0 | 0 | |
| 第3半旬 | 11～15 | 14 | 13 | 5 | /// | 7.3 | 10.5 | 3.2 | 12.8 | -0.7 | /// | /// | 3.2 | 10 | 西北西 | /// | /// | 9.3 | 0 | 0 | 0 | |
| 第4半旬 | 16～20 | 39 | 17 | 3 | /// | 4.6 | 7.9 | 1.4 | 9.5 | -0.2 | /// | /// | 2.5 | 7 | 南西 | /// | /// | 9.6 | 0 | 0 | 0 | |
| 第5半旬 | 21～25 | 0 | 0 | 0 | /// | 5.4 | 8.5 | 2.6 | 11.5 | -1.2 | /// | /// | 3.1 | 6 | 東 | /// | /// | 6.5 | 0 | 0 | 0 | |
| 第6半旬 | 26～30 | 69 | 26 | 7 | /// | 5.5 | 9.3 | 2.0 | 14.9 | -0.5 | /// | /// | 3.1 | 8 | 南西 | /// | /// | 1.4 | 0 | 0 | 0 | |
| 第1半旬 | 1～ 5 | 4 | 3 | 1 | /// | -3.0 | -0.9 | -5.4 | 4.9 | -8.9 | /// | /// | 5.7 | 10 | 西 | /// | /// | 0.4 | 50 | 22 | 20 | |
| 第2半旬 | 6～10 | 18 | 7 | 2 | /// | 3.1 | 5.5 | 0.3 | 9.9 | -1.1 | /// | /// | 3.6 | 9 | 西北西 | /// | /// | 6.2 | 14 | 14 | 13 | |
| 第3半旬 | 11～15 | 3 | 2 | 1 | /// | -0.4 | 1.3 | -2.1 | 4.0 | -4.5 | /// | /// | 5.3 | 11 | 西南西 | /// | /// | 2.6 | 24 | 10 | 16 | |
| 第4半旬 | 16～20 | 13 | 9 | 2 | /// | 3.5 | 6.3 | 0.9 | 7.9 | -2.4 | /// | /// | 4.2 | 8 | 西北西 | /// | /// | 10.1 | 3 | 2 | 3 | |
| 第5半旬 | 21～25 | 6 | 5 | 1 | /// | -2.6 | -0.1 | -6.4 | 2.6 | -11.4 | /// | /// | 2.6 | 7 | 西北西 | /// | /// | 13.6 | 21 | 8 | 7 | |
| 第6半旬 | 26～31 | 22 | 16 | 4 | /// | 0.4 | 2.5 | -1.5 | 6.3 | -4.4 | /// | /// | 4.3 | 9 | 西 | /// | /// | 3.5 | 32 | 21 | 22 | |
- 値欄の記号の説明
- 2021年3月2日より、アメダスの日照時間は「推計気象分布（日照時間）」から得る推計値となりましたので、日照計による観測値と単純比較できません。詳しくは要素ごとの値の補足説明をご覧ください。