半旬ごとの値
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天塩（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 | 1 | 1 | 1 | /// | -5.7 | -2.4 | -10.5 | -1.1 | -19.6 | /// | /// | 5.3 | 13 | 東 | /// | /// | 18.7 | /// | /// | /// | |
| 第2半旬 | 6～10 | 13 | 5 | 1 | /// | -7.1 | -4.1 | -11.7 | -2.4 | -16.7 | /// | /// | 3.0 | 7 | 北北西 | /// | /// | 18.4 | /// | /// | /// | |
| 第3半旬 | 11～15 | 3 | 2 | 1 | /// | -9.7 | -4.3 | -16.8 | -2.6 | -19.2 | /// | /// | 1.9 | 5 | 東北東 | /// | /// | 23.7 | /// | /// | /// | |
| 第4半旬 | 16～20 | 0 | 0 | 0 | /// | -11.7 | -5.5 ) | -19.2 ) | -4.4 ) | -25.0 ] | /// | /// | 4.4 | 10 | 東 | /// | /// | 28.7 | /// | /// | /// | |
| 第5半旬 | 21～25 | 11 | 6 | 1 | /// | -8.2 | -4.8 | -12.9 | 0.1 | -18.9 | /// | /// | 2.9 | 10 | 東北東 | /// | /// | 16.4 | /// | /// | /// | |
| 第6半旬 | 26～31 | 30 | 9 | 2 | /// | -9.6 | -7.9 | -11.8 | -6.4 | -16.0 | /// | /// | 2.5 | 7 | 北北西 | /// | /// | 8.3 | /// | /// | /// | |
| 第1半旬 | 1～ 5 | 2 | 2 | 1 | /// | -8.0 | -3.7 | -15.8 | -1.2 | -18.6 | /// | /// | 4.2 | 8 | 東 | /// | /// | 34.9 | /// | /// | /// | |
| 第2半旬 | 6～10 | 7 | 3 | 1 | /// | -6.6 | -3.9 ) | -14.0 ) | -1.6 ] | -18.4 ) | /// | /// | 3.0 | 6 ) | 北西 | /// | /// | 16.9 | /// | /// | /// | |
| 第3半旬 | 11～15 | 3 | 2 | 1 | /// | -6.1 | -2.6 | -11.2 | -2.1 | -16.6 | /// | /// | 3.7 | 8 | 東南東 | /// | /// | 37.9 | /// | /// | /// | |
| 第4半旬 | 16～20 | 0 | 0 | 0 | /// | -6.5 | -3.2 | -12.4 | 0.2 | -24.1 | /// | /// | 5.6 | 11 | 東 | /// | /// | 35.6 | /// | /// | /// | |
| 第5半旬 | 21～25 | 3 | 2 | 1 | /// | -9.7 | -6.5 | -14.8 | -4.7 | -19.3 | /// | /// | 4.2 | 9 | 東北東 | /// | /// | 32.4 | /// | /// | /// | |
| 第6半旬 | 26～28 | 1 | 1 | 1 | /// | -10.4 | -6.1 | -19.0 | -4.5 | -20.5 | /// | /// | 3.3 | 6 | 北西 | /// | /// | 20.7 | /// | /// | /// | |
| 第1半旬 | 1～ 5 | 8 | 3 | 2 | /// | -3.8 | -0.5 | -8.1 | 1.3 | -10.4 | /// | /// | 4.6 | 9 | 北北西 | /// | /// | 30.4 | /// | /// | /// | |
| 第2半旬 | 6～10 | 10 | 6 | 2 | /// | -8.6 | -5.1 | -14.1 | -3.3 | -20.2 | /// | /// | 4.0 | 10 | 東北東 | /// | /// | 41.4 | /// | /// | /// | |
| 第3半旬 | 11～15 | 17 | 11 | 2 | /// | -5.2 ) | 0.3 ) | -11.2 ) | 3.1 ) | -17.4 ) | /// | /// | 3.6 | 11 | 東 | /// | /// | 25.5 | /// | /// | /// | |
| 第4半旬 | 16～20 | 3 | 2 | 1 | /// | -1.2 | 1.6 | -6.3 | 5.1 | -11.7 | /// | /// | 3.5 | 8 | 南西 | /// | /// | 37.7 | /// | /// | /// | |
| 第5半旬 | 21～25 | 1 | 1 | 1 | /// | -3.6 | 0.9 | -8.8 | 3.6 | -11.3 | /// | /// | 3.5 | 10 | 北北東 | /// | /// | 51.2 | /// | /// | /// | |
| 第6半旬 | 26～31 | 8 | 6 | 2 | /// | -1.7 | 0.9 | -5.6 | 4.8 | -10.8 | /// | /// | 4.6 | 14 | 東 | /// | /// | 48.4 | /// | /// | /// | |
| 第1半旬 | 1～ 5 | 1 | 1 | 1 | /// | 2.8 ) | 5.4 ) | -0.5 ) | 6.1 ] | -1.7 ) | /// | /// | 4.0 | 8 | 北北西 | /// | /// | 44.7 | /// | /// | /// | |
| 第2半旬 | 6～10 | 1 | 1 | 1 | /// | 3.3 | 6.8 | -1.2 | 13.3 | -6.0 | /// | /// | 4.5 | 11 | 東 | /// | /// | 30.8 | /// | /// | /// | |
| 第3半旬 | 11～15 | 11 | 6 | 3 | /// | 1.6 | 3.7 | -1.1 | 5.2 | -2.7 | /// | /// | 4.8 | 12 | 東 | /// | /// | 26.0 | /// | /// | /// | |
| 第4半旬 | 16～20 | 0 | 0 | 0 | /// | 2.0 | 6.2 | -4.5 | 9.4 | -5.3 | /// | /// | 2.4 | 6 | 北 | /// | /// | 45.8 | /// | /// | /// | |
| 第5半旬 | 21～25 | 13 | 7 | 2 | /// | 7.2 | 12.1 | 2.0 | 17.9 | -2.5 | /// | /// | 4.6 | 10 | 南西 | /// | /// | 31.5 | /// | /// | /// | |
| 第6半旬 | 26～30 | 3 | 2 | 1 | /// | 8.1 | 11.4 | 3.9 | 17.8 | 1.4 | /// | /// | 4.0 | 9 | 南南西 | /// | /// | 37.9 | /// | /// | /// | |
| 第1半旬 | 1～ 5 | 2 | 1 | 1 | /// | 9.8 | 14.4 | 5.8 | 18.4 | 4.1 | /// | /// | 5.2 | 11 | 南南西 | /// | /// | 38.0 | /// | /// | /// | |
| 第2半旬 | 6～10 | 5 | 5 | 3 | /// | 9.7 | 15.4 | 3.9 | 18.3 | 2.6 | /// | /// | 4.1 | 9 | 南南西 | /// | /// | 43.0 | /// | /// | /// | |
| 第3半旬 | 11～15 | 32 | 27 | 7 ) | /// | 7.0 | 10.2 ) | 4.1 ) | 11.4 ) | 2.3 ) | /// | /// | 4.3 | 10 ) | 東 | /// | /// | 21.9 | /// | /// | /// | |
| 第4半旬 | 16～20 | 0 | 0 | 0 | /// | 7.7 | 13.5 | -0.3 | 17.7 | -3.1 | /// | /// | 4.2 | 8 | 南南西 | /// | /// | 54.5 | /// | /// | /// | |
| 第5半旬 | 21～25 | 4 | 2 | 1 | /// | 9.2 | 13.5 | 4.0 | 15.0 | -0.1 | /// | /// | 4.9 | 10 | 南南西 | /// | /// | 38.3 | /// | /// | /// | |
| 第6半旬 | 26～31 | 23 | 10 | 1 | /// | 5.4 | 8.2 | 1.8 | 10.5 | -1.7 | /// | /// | 4.6 | 11 | 北北東 | /// | /// | 20.1 | /// | /// | /// | |
| 第1半旬 | 1～ 5 | 2 | 2 | 2 | /// | 10.4 | 15.5 | 4.0 | 17.7 | 0.6 | /// | /// | 2.3 | 6 | 東南東 | /// | /// | 57.7 | /// | /// | /// | |
| 第2半旬 | 6～10 | 0 | 0 | 0 | /// | 13.0 | 17.6 | 8.6 | 18.9 | 5.5 | /// | /// | 2.2 | 6 | 東 | /// | /// | 34.9 | /// | /// | /// | |
| 第3半旬 | 11～15 | 12 | 9 | 3 | /// | 13.1 | 15.1 | 10.9 | 15.9 | 9.5 | /// | /// | 1.7 | 4 | 北西 | /// | /// | 14.7 | /// | /// | /// | |
| 第4半旬 | 16～20 | 0 | 0 | 0 | /// | 13.3 | 18.0 | 9.5 | 21.0 | 6.0 | /// | /// | 3.2 | 9 | 東 | /// | /// | 28.4 | /// | /// | /// | |
| 第5半旬 | 21～25 | 14 | 12 | 3 | /// | 13.3 | 17.7 | 10.0 | 20.3 | 6.1 | /// | /// | 4.8 | 9 | 南西 | /// | /// | 23.7 | /// | /// | /// | |
| 第6半旬 | 26～30 | 5 | 2 | 1 | /// | 15.1 | 19.5 | 12.0 | 24.2 | 11.3 | /// | /// | 2.4 | 7 | 東南東 | /// | /// | 19.6 | /// | /// | /// | |
| 第1半旬 | 1～ 5 | 48 | 25 | 7 | /// | 15.4 | 18.9 | 11.5 | 22.4 | 10.2 | /// | /// | 3.1 | 7 | 東 | /// | /// | 29.0 | /// | /// | /// | |
| 第2半旬 | 6～10 | 22 | 13 | 5 | /// | 15.9 | 18.2 ) | 13.9 ) | 19.7 ) | 12.5 ) | /// | /// | 3.4 | 8 ) | 東 | /// | /// | 9.3 | /// | /// | /// | |
| 第3半旬 | 11～15 | 5 | 4 | 1 | /// | 17.6 ) | 20.1 ) | 15.3 ) | 23.5 ) | 13.3 ) | /// | /// | 3.4 | 6 | 南南西 | /// | /// | 25.7 | /// | /// | /// | |
| 第4半旬 | 16～20 | 44 | 41 | 21 | /// | 19.5 | 22.6 | 17.5 | 25.8 | 16.5 | /// | /// | 3.8 | 7 | 南南西 | /// | /// | 18.1 | /// | /// | /// | |
| 第5半旬 | 21～25 | 0 | 0 | 0 | /// | 16.3 | 20.0 | 12.1 | 21.8 | 8.6 | /// | /// | 4.2 | 8 | 東南東 | /// | /// | 39.4 | /// | /// | /// | |
| 第6半旬 | 26～31 | 0 | 0 | 0 | /// | 20.4 | 23.3 ) | 16.8 ) | 25.4 ) | 14.8 ) | /// | /// | 3.7 | 7 | 南南西 | /// | /// | 48.9 | /// | /// | /// | |
| 第1半旬 | 1～ 5 | 108 | 51 | 12 ) | /// | 20.8 | 23.8 ) | 19.0 ) | 26.1 ) | 16.1 ) | /// | /// | 4.9 | 12 ) | 南南西 | /// | /// | 15.1 | /// | /// | /// | |
| 第2半旬 | 6～10 | 14 | 7 | 3 | /// | 18.5 | 23.0 ) | 15.4 ) | 25.8 ) | 14.3 ) | /// | /// | 4.0 | 9 | 南南西 | /// | /// | 32.4 | /// | /// | /// | |
| 第3半旬 | 11～15 | 40 | 26 | 13 | /// | 16.6 | 19.8 | 14.1 | 22.0 | 13.3 | /// | /// | 2.9 | 10 | 東北東 | /// | /// | 23.1 | /// | /// | /// | |
| 第4半旬 | 16～20 | 12 | 12 | 4 | /// | 17.6 | 21.0 | 14.7 | 22.7 | 13.1 | /// | /// | 2.6 | 8 | 北東 | /// | /// | 32.6 | /// | /// | /// | |
| 第5半旬 | 21～25 | 20 | 20 | 7 | /// | 17.2 | 18.0 ] | 14.1 ] | 22.4 ] | 12.5 ] | /// | /// | 6.8 | 22 | 南南西 | /// | /// | 15.1 | /// | /// | /// | |
| 第6半旬 | 26～31 | 18 | 8 | 4 | /// | 19.1 | 21.1 | 16.7 | 22.2 | 14.0 | /// | /// | 4.6 | 11 | 南南西 | /// | /// | 30.4 | /// | /// | /// | |
| 第1半旬 | 1～ 5 | 29 | 27 | 5 | /// | 16.2 ) | 19.2 ] | 13.6 ] | 19.5 ] | 11.5 ] | /// | /// | 4.4 | 11 | /// | /// | /// | 36.8 | /// | /// | /// | |
| 第2半旬 | 6～10 | 47 | 34 | 14 | /// | 16.6 ] | 19.1 ] | 13.9 ] | 20.8 ] | 10.8 ] | /// | /// | 4.5 | 11 | 南西 | /// | /// | 31.9 | /// | /// | /// | |
| 第3半旬 | 11～15 | 41 | 31 | 19 | /// | 13.3 | 16.9 | 8.4 | 18.9 | 6.0 | /// | /// | 4.2 | 9 | 東南東 | /// | /// | 35.9 | /// | /// | /// | |
| 第4半旬 | 16～20 | 7 | 7 | 2 | /// | 16.4 | 19.1 | 12.5 | 19.4 | 7.1 | /// | /// | 5.0 | 10 | 南西 | /// | /// | 38.2 | /// | /// | /// | |
| 第5半旬 | 21～25 | 3 | 3 | 3 | /// | 16.0 | 19.4 | 11.7 | 20.1 | 7.0 | /// | /// | 3.3 | 7 | 南 | /// | /// | 30.1 | /// | /// | /// | |
| 第6半旬 | 26～30 | 12 | 12 | 2 | /// | 12.6 ) | 16.0 ) | 8.7 ) | 21.2 ) | 7.0 ) | /// | /// | 4.6 | 13 | 北 | /// | /// | 37.8 | /// | /// | /// | |
| 第1半旬 | 1～ 5 | 20 | 18 | 5 | /// | 12.0 | 15.6 | 7.8 | 17.7 | 5.5 | /// | /// | 4.7 | 11 | 北 | /// | /// | 38.1 | /// | /// | /// | |
| 第2半旬 | 6～10 | 19 | 17 | 4 | /// | 13.2 | 16.4 | 9.0 | 17.7 | 4.7 | /// | /// | 5.1 | 11 | 西 | /// | /// | 23.3 | /// | /// | /// | |
| 第3半旬 | 11～15 | 25 | 19 | 5 | /// | 10.6 | 14.7 | 5.3 | 16.6 | 2.5 | /// | /// | 4.2 | 11 | 西 | /// | /// | 24.9 | /// | /// | /// | |
| 第4半旬 | 16～20 | 22 | 15 | 4 | /// | 7.9 | 10.8 | 3.9 | 15.1 | 0.5 | /// | /// | 4.5 | 13 | 西 | /// | /// | 27.4 | /// | /// | /// | |
| 第5半旬 | 21～25 | 36 | 26 | 6 | /// | 7.7 | 12.2 ) | 4.6 ) | 15.7 ) | 2.0 ) | /// | /// | 7.1 | 14 ) | 西 | /// | /// | 13.1 | /// | /// | /// | |
| 第6半旬 | 26～31 | 19 | 14 | 6 | /// | 8.8 | 11.5 | 4.7 | 13.6 | 1.3 | /// | /// | 5.3 | 11 | 南南西 | /// | /// | 27.0 | /// | /// | /// | |
| 第1半旬 | 1～ 5 | 32 | 16 | 4 | /// | 4.5 | 7.0 | 2.4 | 10.6 | 1.5 | /// | /// | 5.3 | 13 | 東 | /// | /// | 10.6 | /// | /// | /// | |
| 第2半旬 | 6～10 | 25 | 9 | 2 | /// | 0.3 | 2.2 | -1.4 | 4.8 | -3.7 | /// | /// | 5.6 | 11 | 北 | /// | /// | 7.1 | /// | /// | /// | |
| 第3半旬 | 11～15 | 19 | 10 | 4 | /// | 1.9 | 5.3 ) | -2.4 ) | 7.9 ) | -4.4 ) | /// | /// | 4.8 | 12 | 南西 | /// | /// | 5.8 | /// | /// | /// | |
| 第4半旬 | 16～20 | 4 | 2 | 1 | /// | 1.8 | 4.6 | -1.2 | 7.4 | -5.2 | /// | /// | 5.6 | 9 | 南西 | /// | /// | 11.2 | /// | /// | /// | |
| 第5半旬 | 21～25 | 8 | 4 | 3 | /// | -1.4 | 0.9 | -3.6 | 4.8 | -4.4 | /// | /// | 5.4 | 10 | 西南西 | /// | /// | 8.8 | /// | /// | /// | |
| 第6半旬 | 26～30 | 41 | 22 | 4 | /// | -5.2 | -2.9 | -8.0 | -1.6 | -10.2 | /// | /// | 3.0 | 11 | 北北西 | /// | /// | 6.4 | /// | /// | /// | |
| 第1半旬 | 1～ 5 | 16 | 10 | 2 | /// | -4.0 | 0.0 | -9.0 | 3.9 | -20.3 | /// | /// | 3.9 | 14 | 北北西 | /// | /// | 18.0 | /// | /// | /// | |
| 第2半旬 | 6～10 | 15 | 5 | 2 | /// | -3.2 | -0.9 | -7.3 | 1.9 | -10.9 | /// | /// | 2.7 | 7 | 北 | /// | /// | 8.8 | /// | /// | /// | |
| 第3半旬 | 11～15 | 28 | 12 | 4 | /// | 0.9 | 2.5 | -1.2 | 4.4 | -3.8 | /// | /// | 6.4 | 13 | 北北西 | /// | /// | 6.2 | /// | /// | /// | |
| 第4半旬 | 16～20 | 5 | 2 | 1 | /// | -0.3 | 2.1 | -2.6 | 3.6 | -5.7 | /// | /// | 4.8 | 9 | 北西 | /// | /// | 11.8 | /// | /// | /// | |
| 第5半旬 | 21～25 | 5 | 2 | 1 | /// | 0.3 | 3.1 | -2.5 | 5.5 | -6.9 | /// | /// | 6.5 | 13 | 南南西 | /// | /// | 7.8 | /// | /// | /// | |
| 第6半旬 | 26～31 | 3 | 1 | 1 | /// | -2.8 | 0.2 | -5.7 | 3.1 | -7.0 | /// | /// | 4.2 | 9 | 北北東 | /// | /// | 15.7 | /// | /// | /// | |
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