旬ごとの値
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初山別（留萌地方) 1978年（旬ごとの値） 主な要素
| 月 | 旬 | 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) | 最大風速 | 最大瞬間風速 | 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) |
||||||||||
| 上旬 | 24 | 10 | 3 | /// | -6.1 | -4.1 | -8.4 | -2.0 | -15.4 | /// | /// | 4.7 | 11 | 西 | /// | /// | 24.2 | /// | /// | /// | |
| 中旬 | 19 | 5 | 1 | /// | -4.1 | -1.1 | -9.3 | 2.1 | -13.3 | /// | /// | 3.7 | 9 | 西北西 | /// | /// | 28.0 | /// | /// | /// | |
| 下旬 | 27 | 9 | 2 | /// | -8.5 | -5.0 | -13.1 | 1.1 | -20.4 | /// | /// | 2.7 | 11 | 西 | /// | /// | 31.6 | /// | /// | /// | |
| 上旬 | 35 | 7 | 1 | /// | -7.0 | -4.7 | -10.9 | -2.0 | -16.7 | /// | /// | 3.7 | 11 | 北西 | /// | /// | 40.1 | /// | /// | /// | |
| 中旬 | 9 | 4 | 1 ) | /// | -11.6 ) | -7.2 ] | -19.6 ] | -2.3 ] | -27.7 ] | /// | /// | 2.8 | 10 ] | 北西 | /// | /// | 61.8 | /// | /// | /// | |
| 下旬 | 2 | 1 | 1 | /// | -10.0 | -5.5 | -17.3 | -2.7 | -24.5 | /// | /// | 2.7 | 9 | 東 | /// | /// | 65.4 | /// | /// | /// | |
| 上旬 | 16 | 7 | 1 | /// | -6.5 | -2.0 | -12.7 | 1.9 | -15.3 | /// | /// | 2.0 | 7 | 北北東 | /// | /// | 61.1 | /// | /// | /// | |
| 中旬 | 27 | 8 | 3 | /// | -2.4 | 0.6 | -6.8 | 3.8 | -9.7 | /// | /// | 3.0 | 9 | 北西 | /// | /// | 67.1 | /// | /// | /// | |
| 下旬 | 6 | 3 | 1 | /// | 0.6 | 3.2 | -3.1 | 9.9 | -11.9 | /// | /// | 3.5 | 10 | 西 | /// | /// | 84.2 | /// | /// | /// | |
| 上旬 | 29 | 20 | 3 | /// | 2.3 | 5.2 | -1.2 | 15.1 | -5.5 | /// | /// | 3.3 | 9 | 西南西 | /// | /// | 56.6 | /// | /// | /// | |
| 中旬 | 39 | 20 | 4 | /// | 4.7 | 7.3 | 2.1 | 12.9 | -2.6 | /// | /// | 3.2 | 9 | 西北西 | /// | /// | 55.6 | /// | /// | /// | |
| 下旬 | 4 | 2 | 1 | /// | 8.0 | 11.9 | 3.5 | 18.1 | -2.0 | /// | /// | 3.6 | 8 | 南南西 | /// | /// | 79.5 | /// | /// | /// | |
| 上旬 | 29 | 17 | 4 | /// | 9.7 | 12.6 | 5.4 | 17.1 | 2.3 | /// | /// | 4.1 | 7 | 西 | /// | /// | 67.6 | /// | /// | /// | |
| 中旬 | 7 | 6 | 3 | /// | 12.0 | 16.2 | 6.2 | 23.0 | 2.8 | /// | /// | 3.0 | 7 | 東南東 | /// | /// | 91.9 | /// | /// | /// | |
| 下旬 | 38 | 10 | 4 | /// | 9.3 ) | 13.1 ) | 5.0 ) | 20.9 ) | 0.5 ) | /// | /// | 2.7 | 6 | 東北東 | /// | /// | 61.1 | /// | /// | /// | |
| 上旬 | 14 | 10 | 2 | /// | 12.0 | 15.5 | 7.2 | 21.1 | 2.3 | /// | /// | 2.8 | 7 | 南南西 | /// | /// | 77.8 | /// | /// | /// | |
| 中旬 | 75 | 52 | 22 | /// | 16.2 | 18.9 | 14.1 | 21.5 | 12.3 | /// | /// | 2.3 | 6 | 南西 | /// | /// | 27.6 | /// | /// | /// | |
| 下旬 | 0 | 0 | 0 | /// | 16.9 | 20.0 | 13.8 | 23.3 | 11.0 | /// | /// | 2.4 | 6 | 南西 | /// | /// | 74.8 | /// | /// | /// | |
| 上旬 | 22 | 12 | 9 ) | /// | 19.2 | 22.1 ) | 15.6 ) | 25.9 ) | 11.5 ) | /// | /// | 1.8 | 6 ) | 南南東 | /// | /// | 65.4 | /// | /// | /// | |
| 中旬 | 118 | 43 | 12 | /// | 22.2 | 25.3 ) | 18.9 ) | 29.2 ) | 15.3 ) | /// | /// | 2.2 | 5 ) | 南南東 | /// | /// | 53.9 | /// | /// | /// | |
| 下旬 | 4 | 4 | 4 | /// | 21.5 | 23.7 | 19.0 | 27.2 | 14.0 | /// | /// | 2.6 | 6 | 南西 | /// | /// | 60.8 | /// | /// | /// | |
| 上旬 | 83 | 41 | 11 | /// | 22.6 | 25.8 | 19.4 | 32.3 | 15.3 | /// | /// | 2.5 | 6 | 南西 | /// | /// | 60.0 | /// | /// | /// | |
| 中旬 | 38 | 26 | 8 | /// | 21.2 | 24.5 | 17.7 | 29.8 | 13.8 | /// | /// | 2.3 | 8 | 南南西 | /// | /// | 65.3 | /// | /// | /// | |
| 下旬 | 81 | 46 | 17 | /// | 19.9 | 23.3 | 15.3 | 28.5 | 9.1 | /// | /// | 2.8 | 7 | 南西 | /// | /// | 77.4 | /// | /// | /// | |
| 上旬 | 77 | 56 | 16 | /// | 16.0 ) | 19.7 ) | 11.1 ) | 21.5 ) | 7.7 ) | /// | /// | 3.1 | 7 | 西 | /// | /// | 68.9 | /// | /// | /// | |
| 中旬 | 2 | 2 | 1 | /// | 15.9 | 20.3 | 10.7 | 23.4 | 7.9 | /// | /// | 2.8 | 6 | 西南西 | /// | /// | 88.0 | /// | /// | /// | |
| 下旬 | 37 | 27 | 14 | /// | 16.5 | 19.6 | 11.9 | 22.0 | 7.7 | /// | /// | 3.9 | 9 | 西北西 | /// | /// | 71.9 | /// | /// | /// | |
| 上旬 | 28 | 13 | 5 | /// | 12.5 | 16.0 ) | 7.7 ) | 20.5 ) | 2.3 ) | /// | /// | 3.5 | 9 | 西北西 | /// | /// | 48.8 | /// | /// | /// | |
| 中旬 | 49 ) | 18 ) | 8 ) | /// | 8.3 | 11.2 | 4.2 | 14.2 | 2.2 | /// | /// | 4.2 | 11 | 北西 | /// | /// | 43.3 | /// | /// | /// | |
| 下旬 | 33 | 11 | 7 | /// | 7.1 | 9.5 | 4.0 | 15.3 | 0.4 | /// | /// | 3.1 | 9 | 西北西 | /// | /// | 34.9 | /// | /// | /// | |
| 上旬 | 13 | 7 | 2 | /// | 5.4 | 8.4 | 1.7 | 12.9 | -1.6 | /// | /// | 3.4 | 9 | 南西 | /// | /// | 45.2 | /// | /// | /// | |
| 中旬 | 56 | 16 | 4 | /// | 2.9 | 5.3 ) | -0.3 ) | 8.8 ] | -5.3 ) | /// | /// | 3.5 | 14 ) | 西 | /// | /// | 24.3 | /// | /// | /// | |
| 下旬 | 3 | 2 | 1 | /// | 2.1 | 4.5 ) | -0.5 ) | 8.8 ) | -5.0 ) | /// | /// | 3.9 | 11 ) | 西北西 | /// | /// | 17.3 | /// | /// | /// | |
| 上旬 | 50 | 22 | 5 | /// | 0.5 | 3.0 ) | -2.0 ) | 8.4 ) | -7.1 ) | /// | /// | 5.9 | 13 | /// | /// | /// | 11.4 | /// | /// | /// | |
| 中旬 | 19 | 6 | 3 | /// | -2.5 | 0.3 ) | -5.6 ) | 6.8 ) | -13.2 ) | /// | /// | 4.0 | 12 | 西北西 | /// | /// | 24.9 | /// | /// | /// | |
| 下旬 | 25 | 7 | 2 | /// | -2.4 | 0.3 | -5.9 | 4.7 | -12.9 | /// | /// | 3.6 | 10 | 西北西 | /// | /// | 23.6 | /// | /// | /// | |
- 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。