半旬ごとの値
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知方学（釧路地方) 1987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 | 4 | 1 | /// | -7.5 | -3.5 | -11.4 | 0.1 | -12.7 | /// | /// | 3.5 | 9 | 北北東 | /// | /// | 31.4 | /// | /// | /// | |
| 第2半旬 | 6～10 | 12 | 9 | 1 | /// | -6.0 | -3.7 | -9.2 | -0.2 | -11.9 | /// | /// | 2.5 | 8 | 南東 | /// | /// | 16.2 | /// | /// | /// | |
| 第3半旬 | 11～15 | 1 | 1 | 1 | /// | -8.0 | -5.0 ) | -11.5 ) | -3.2 ) | -14.2 ) | /// | /// | 3.4 | 7 ) | 北 | /// | /// | 32.3 | /// | /// | /// | |
| 第4半旬 | 16～20 | 7 | 7 | 3 | /// | -5.6 | -2.4 | -10.1 | 1.9 | -15.5 | /// | /// | 3.5 | 10 | 南 | /// | /// | 32.5 | /// | /// | /// | |
| 第5半旬 | 21～25 | 4 | 4 | 1 | /// | -7.1 | -3.3 | -11.3 | 1.0 | -16.6 | /// | /// | 4.2 | 8 | 北 | /// | /// | 26.4 | /// | /// | /// | |
| 第6半旬 | 26～31 | 0 | 0 | 0 | /// | -5.5 | -2.1 | -10.1 | 0.8 | -15.5 | /// | /// | 2.7 | 7 | 南 | /// | /// | 48.3 | /// | /// | /// | |
| 第1半旬 | 1～ 5 | 3 | 2 | 1 | /// | -9.2 | -6.4 | -12.0 | -5.2 | -12.6 | /// | /// | 4.9 | 11 | 北北東 | /// | /// | 28.1 | /// | /// | /// | |
| 第2半旬 | 6～10 | 0 | 0 | 0 | /// | -4.5 | -1.3 | -8.7 | 0.7 | -13.1 | /// | /// | 3.1 | 7 | 北 | /// | /// | 36.4 | /// | /// | /// | |
| 第3半旬 | 11～15 | 6 | 5 | 2 | /// | -6.6 | -3.7 | -10.4 | 1.1 | -13.1 | /// | /// | 2.6 | 8 | 北北西 | /// | /// | 25.6 | /// | /// | /// | |
| 第4半旬 | 16～20 | 0 | 0 | 0 | /// | -9.5 | -5.8 | -13.3 | -4.8 | -15.5 | /// | /// | 2.8 | 6 | 北 | /// | /// | 46.0 | /// | /// | /// | |
| 第5半旬 | 21～25 | 10 | 8 | 4 | /// | -2.8 | -0.7 | -6.1 | 2.7 | -12.7 | /// | /// | 3.3 | 9 | 南 | /// | /// | 30.7 | /// | /// | /// | |
| 第6半旬 | 26～28 | 2 | 2 | 1 | /// | -3.4 | -1.1 | -5.3 | 0.2 | -7.0 | /// | /// | 4.1 | 8 | 南南西 | /// | /// | 23.0 | /// | /// | /// | |
| 第1半旬 | 1～ 5 | 0 | 0 | 0 | /// | -3.0 | -0.2 | -5.2 | 0.7 | -7.1 | /// | /// | 2.3 | 5 | 南 | /// | /// | 40.3 | /// | /// | /// | |
| 第2半旬 | 6～10 | 1 | 1 | 1 | /// | -3.9 | -1.0 | -6.3 | -0.2 | -7.1 | /// | /// | 3.3 | 6 | 北 | /// | /// | 49.8 | /// | /// | /// | |
| 第3半旬 | 11～15 | 20 | 20 | 3 | /// | -2.3 | 0.0 | -4.7 | 2.2 | -6.9 | /// | /// | 3.0 | 7 | 南 | /// | /// | 33.4 | /// | /// | /// | |
| 第4半旬 | 16～20 | 2 | 2 | 1 | /// | -1.8 | 0.5 | -3.7 | 2.3 | -4.9 | /// | /// | 2.5 | 7 | 南南西 | /// | /// | 40.6 | /// | /// | /// | |
| 第5半旬 | 21～25 | 53 | 46 | 8 | /// | -0.4 | 2.2 | -2.7 | 6.5 | -5.5 | /// | /// | 2.5 | 12 | 南南東 | /// | /// | 26.6 | /// | /// | /// | |
| 第6半旬 | 26～31 | 3 | 3 | 1 | /// | -1.4 | 1.0 | -3.5 | 2.7 | -8.1 | /// | /// | 3.6 | 8 | 北北東 | /// | /// | 55.4 | /// | /// | /// | |
| 第1半旬 | 1～ 5 | 2 | 1 | 1 | /// | -0.1 | 2.7 | -3.1 | 4.9 | -8.3 | /// | /// | 2.4 | 5 | 北 | /// | /// | 43.0 | /// | /// | /// | |
| 第2半旬 | 6～10 | 20 | 11 | 3 | /// | 1.1 | 3.5 | -0.7 | 5.7 | -1.5 | /// | /// | 2.7 | 6 | 北北東 | /// | /// | 33.6 | /// | /// | /// | |
| 第3半旬 | 11～15 | 5 | 1 | 1 | /// | 0.1 | 3.2 | -2.7 | 5.1 | -4.0 | /// | /// | 2.5 | 7 | 南南西 | /// | /// | 42.7 | /// | /// | /// | |
| 第4半旬 | 16～20 | 0 | 0 | 0 | /// | 4.1 | 8.0 | 1.4 | 10.7 | 0.2 | /// | /// | 2.8 | 6 | 北北東 | /// | /// | 48.7 | /// | /// | /// | |
| 第5半旬 | 21～25 | 5 | 4 | 1 | /// | 3.7 | 6.4 | 1.2 | 8.5 | -0.2 | /// | /// | 3.2 | 10 | 南 | /// | /// | 22.9 | /// | /// | /// | |
| 第6半旬 | 26～30 | 1 | 1 | 1 | /// | 4.3 | 8.4 | 1.1 | 15.2 | -0.7 | /// | /// | 2.8 | 6 | 南南西 | /// | /// | 47.2 | /// | /// | /// | |
| 第1半旬 | 1～ 5 | 25 | 22 | 5 | /// | 6.1 | 8.9 | 3.0 | 12.6 | 0.4 | /// | /// | 3.8 | 8 | 北北東 | /// | /// | 29.9 | /// | /// | /// | |
| 第2半旬 | 6～10 | 0 | 0 | 0 | /// | 7.5 | 11.4 | 3.1 | 18.8 | 0.5 | /// | /// | 2.3 | 6 | 南南西 | /// | /// | 58.4 | /// | /// | /// | |
| 第3半旬 | 11～15 | 0 | 0 | 0 | /// | 7.9 | 10.9 | 4.7 | 15.5 | 2.1 | /// | /// | 3.0 | 7 | 北 | /// | /// | 52.4 | /// | /// | /// | |
| 第4半旬 | 16～20 | 8 | 8 | 3 | /// | 7.2 | 11.0 | 4.2 | 15.7 | 1.1 | /// | /// | 3.2 | 10 | 南 | /// | /// | 48.5 | /// | /// | /// | |
| 第5半旬 | 21～25 | 3 | 1 | 1 | /// | 5.6 | 10.9 ) | 3.1 ) | 15.0 ) | 1.7 ] | /// | /// | 4.1 | 9 ) | 北北東 | /// | /// | 21.7 | /// | /// | /// | |
| 第6半旬 | 26～31 | 4 | 4 | 3 | /// | 6.4 | 10.4 | 4.1 | 18.7 | 1.9 | /// | /// | 2.6 | 6 | 南南西 | /// | /// | 47.5 | /// | /// | /// | |
| 第1半旬 | 1～ 5 | 16 | 15 | 5 | /// | 12.2 | 16.6 | 8.7 | 21.8 | 7.7 | /// | /// | 2.7 | 7 | 南 | /// | /// | 47.1 | /// | /// | /// | |
| 第2半旬 | 6～10 | 24 | 15 | 2 | /// | 12.7 | 14.9 | 10.1 | 20.1 | 6.3 | /// | /// | 2.4 | 7 | 北北東 | /// | /// | 28.1 | /// | /// | /// | |
| 第3半旬 | 11～15 | 15 | 8 | 1 | /// | 7.5 | 9.8 | 5.9 | 12.4 | 5.1 | /// | /// | 1.9 | 5 | 北北東 | /// | /// | 18.1 | /// | /// | /// | |
| 第4半旬 | 16～20 | 2 | 2 | 1 | /// | 10.4 | 12.4 | 8.5 | 16.6 | 5.4 | /// | /// | 2.0 | 5 | 北 | /// | /// | 25.4 | /// | /// | /// | |
| 第5半旬 | 21～25 | 1 | 1 | 1 | /// | 11.8 | 16.1 | 8.7 | 18.6 | 8.2 | /// | /// | 2.6 | 8 | 北北東 | /// | /// | 35.7 | /// | /// | /// | |
| 第6半旬 | 26～30 | 13 | 13 | 3 | /// | 8.9 | 11.0 | 7.1 | 12.7 | 6.0 | /// | /// | 4.0 | 10 | 北北東 | /// | /// | 9.8 | /// | /// | /// | |
| 第1半旬 | 1～ 5 | 34 | 17 | 10 | /// | 12.4 | 15.5 ) | 10.3 ) | 19.0 ) | 9.0 ) | /// | /// | 2.5 | 5 | 北北東 | /// | /// | 22.3 | /// | /// | /// | |
| 第2半旬 | 6～10 | 67 | 52 | 13 | /// | 13.5 | 15.6 | 12.2 | 18.0 | 11.1 | /// | /// | 2.1 | 7 | 南東 | /// | /// | 12.2 | /// | /// | /// | |
| 第3半旬 | 11～15 | 31 | 26 | 7 | /// | 14.7 | 17.0 | 12.8 | 18.6 | 11.4 | /// | /// | 2.2 | 6 | 南南西 | /// | /// | 23.5 | /// | /// | /// | |
| 第4半旬 | 16～20 | 31 | 20 | 8 | /// | 13.9 | 16.9 | 11.8 | 21.1 | 10.8 | /// | /// | 2.1 | 6 | 北北東 | /// | /// | 16.7 | /// | /// | /// | |
| 第5半旬 | 21～25 | 29 | 13 | 3 | /// | 14.4 | 16.8 | 12.4 | 18.6 | 11.9 | /// | /// | 2.3 | 7 | 北北東 | /// | /// | 18.0 | /// | /// | /// | |
| 第6半旬 | 26～31 | 17 | 13 | 4 | /// | 17.8 | 20.8 | 15.0 | 24.2 | 9.8 | /// | /// | 1.8 | 7 | 北北東 | /// | /// | 42.0 | /// | /// | /// | |
| 第1半旬 | 1～ 5 | 67 | 66 | 10 | /// | 12.0 | 13.6 | 10.7 | 17.2 | 8.8 | /// | /// | 2.5 | 5 | 北北東 | /// | /// | 0.4 | /// | /// | /// | |
| 第2半旬 | 6～10 | 8 | 4 | 1 | /// | 14.3 | 17.8 | 12.0 | 20.6 | 11.1 | /// | /// | 3.0 | 8 | 北北東 | /// | /// | 34.8 | /// | /// | /// | |
| 第3半旬 | 11～15 | 8 | 8 | 8 | /// | 17.2 | 20.5 | 13.8 | 23.3 | 12.7 | /// | /// | 1.4 | 4 | 北北東 | /// | /// | 30.6 | /// | /// | /// | |
| 第4半旬 | 16～20 | 0 | 0 | 0 | /// | 15.4 | 17.2 | 13.7 | 19.0 | 12.6 | /// | /// | 1.5 | 4 | 北北東 | /// | /// | 34.0 | /// | /// | /// | |
| 第5半旬 | 21～25 | 48 | 42 | 15 | /// | 15.0 | 17.0 | 13.1 | 22.1 | 10.6 | /// | /// | 2.9 | 7 | 北北東 | /// | /// | 12.5 | /// | /// | /// | |
| 第6半旬 | 26～31 | 25 | 19 | 4 | /// | 15.7 | 17.2 | 14.0 | 20.1 | 12.1 | /// | /// | 3.1 | 7 | 南 | /// | /// | 2.6 | /// | /// | /// | |
| 第1半旬 | 1～ 5 | 28 | 15 | 9 | /// | 15.9 | 17.6 ) | 12.9 ) | 19.5 ] | 10.6 ) | /// | /// | 2.8 | 11 | 南 | /// | /// | 41.7 | /// | /// | /// | |
| 第2半旬 | 6～10 | 10 | 6 | 3 | /// | 17.0 | 18.8 | 15.3 | 20.2 | 12.3 | /// | /// | 2.7 | 6 | 北北東 | /// | /// | 4.3 | /// | /// | /// | |
| 第3半旬 | 11～15 | 0 | 0 | 0 | /// | 14.8 | 17.6 | 12.8 | 20.2 | 11.6 | /// | /// | 2.7 | 7 | 北北東 | /// | /// | 33.0 | /// | /// | /// | |
| 第4半旬 | 16～20 | 38 | 22 | 3 | /// | 10.1 ) | 11.7 ) | 8.6 ) | 13.3 ] | 7.1 ] | /// | /// | 4.2 | 8 | 北北東 | /// | /// | 14.8 | /// | /// | /// | |
| 第5半旬 | 21～25 | 21 | 14 | 7 | /// | 14.5 | 16.4 | 12.6 | 18.0 | 10.6 | /// | /// | 3.7 | 10 | 南 | /// | /// | 26.3 | /// | /// | /// | |
| 第6半旬 | 26～30 | 32 | 32 | 11 | /// | 12.8 | 14.8 | 10.5 | 17.5 | 7.5 | /// | /// | 3.2 | 16 | 南 | /// | /// | 24.3 | /// | /// | /// | |
| 第1半旬 | 1～ 5 | 12 | 7 | 2 | /// | 13.3 | 15.6 | 10.4 | 19.5 | 8.3 | /// | /// | 2.6 | 6 | 南南西 | /// | /// | 30.9 | /// | /// | /// | |
| 第2半旬 | 6～10 | 4 | 4 | 2 | /// | 12.6 | 15.2 ) | 9.8 ) | 16.8 ) | 4.3 ) | /// | /// | 2.9 | 6 ) | 北 | /// | /// | 31.5 | /// | /// | /// | |
| 第3半旬 | 11～15 | 3 | 2 | 2 | /// | 10.6 | 12.6 ) | 5.8 ) | 15.9 ) | 4.5 ) | /// | /// | 3.4 | 8 ) | 北 | /// | /// | 31.4 | /// | /// | /// | |
| 第4半旬 | 16～20 | 139 | 119 | 23 | /// | 11.3 | 13.8 | 7.7 | 15.8 | 6.6 | /// | /// | 3.8 | 8 | 南東 | /// | /// | 26.6 | /// | /// | /// | |
| 第5半旬 | 21～25 | 0 | 0 | 0 | /// | 7.1 | 9.9 | 3.6 | 10.5 | 2.4 | /// | /// | 2.3 | 5 | 南南西 | /// | /// | 42.7 | /// | /// | /// | |
| 第6半旬 | 26～31 | 0 | 0 | 0 | /// | 9.3 | 12.9 | 6.6 | 16.0 | 1.1 | /// | /// | 2.9 | 8 | 北北東 | /// | /// | 46.3 | /// | /// | /// | |
| 第1半旬 | 1～ 5 | 35 | 22 | 6 | /// | 7.3 | 9.4 | 4.8 | 11.7 | -0.9 | /// | /// | 3.8 | 8 | 南 | /// | /// | 16.6 | /// | /// | /// | |
| 第2半旬 | 6～10 | 10 | 8 | 3 | /// | 5.8 | 8.6 | 2.2 | 10.4 | 0.7 | /// | /// | 3.9 | 12 | 南 | /// | /// | 23.1 | /// | /// | /// | |
| 第3半旬 | 11～15 | 0 | 0 | 0 | /// | 4.8 | 8.1 | 0.3 | 11.7 | -2.9 | /// | /// | 2.8 | 8 | 南 | /// | /// | 34.1 | /// | /// | /// | |
| 第4半旬 | 16～20 | 1 | 1 | 1 | /// | 3.8 | 7.9 | -0.2 | 9.9 | -3.6 | /// | /// | 4.6 | 12 | 南 | /// | /// | 35.7 | /// | /// | /// | |
| 第5半旬 | 21～25 | 2 | 2 | 2 | /// | 0.4 | 5.6 | -3.5 | 8.8 | -4.9 | /// | /// | 2.9 | 11 | 南南西 | /// | /// | 34.4 | /// | /// | /// | |
| 第6半旬 | 26～30 | 0 | 0 | 0 | /// | -3.3 | -0.3 | -6.9 | 1.8 | -8.0 | /// | /// | 1.9 | 4 | 北西 | /// | /// | 39.1 | /// | /// | /// | |
| 第1半旬 | 1～ 5 | 20 | 18 | 2 | /// | -2.6 | -0.6 | -5.1 | 1.0 | -7.7 | /// | /// | 3.4 | 8 | 北 | /// | /// | 30.6 | /// | /// | /// | |
| 第2半旬 | 6～10 | 0 | 0 | 0 | /// | 0.0 | 2.1 | -2.5 | 5.2 | -8.5 | /// | /// | 2.8 | 5 | 南南東 | /// | /// | 37.1 | /// | /// | /// | |
| 第3半旬 | 11～15 | 0 | 0 | 0 | /// | -2.4 | 0.5 | -6.1 | 7.2 | -9.6 | /// | /// | 2.7 | 9 | 南 | /// | /// | 33.9 | /// | /// | /// | |
| 第4半旬 | 16～20 | 1 | 1 | 1 | /// | -3.9 | -0.5 | -8.0 | 3.2 | -13.2 | /// | /// | 2.4 | 6 | 北 | /// | /// | 18.4 | /// | /// | /// | |
| 第5半旬 | 21～25 | 5 | 5 | 2 | /// | -3.1 | 1.0 ) | -5.3 ) | 4.3 ) | -10.6 ] | /// | /// | 2.3 | 5 | 北北東 | /// | /// | 36.8 | /// | /// | /// | |
| 第6半旬 | 26～31 | 15 | 12 | 2 | /// | -2.4 | 0.5 | -5.8 | 7.7 | -13.4 | /// | /// | 2.7 | 8 | 北 | /// | /// | 27.3 | /// | /// | /// | |
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