半旬ごとの値
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知方学（釧路地方) 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 | 24 | 18 | 2 | /// | -3.1 | -1.1 | -5.1 | 0.4 | -7.0 | /// | /// | 4.4 | 9 | 北東 | /// | /// | 17.5 | /// | /// | /// | |
| 第2半旬 | 6～10 | 0 | 0 | 0 | /// | -6.2 | -2.9 | -9.3 | -1.9 | -10.0 | /// | /// | 2.3 | 4 | 北北東 | /// | /// | 42.5 | /// | /// | /// | |
| 第3半旬 | 11～15 | 0 | 0 | 0 | /// | -5.0 | -2.1 | -7.0 | -0.5 | -7.8 | /// | /// | 3.4 | 7 | 北 | /// | /// | 41.4 | /// | /// | /// | |
| 第4半旬 | 16～20 | 8 | 6 | 2 | /// | -5.8 | -3.4 | -8.7 | -2.3 | -10.1 | /// | /// | 3.2 | 7 | 北北東 | /// | /// | 30.6 | /// | /// | /// | |
| 第5半旬 | 21～25 | 2 | 2 | 1 | /// | -7.5 | -4.5 | -11.0 | -0.1 | -13.8 | /// | /// | 3.0 | 7 | 北 | /// | /// | 40.0 | /// | /// | /// | |
| 第6半旬 | 26～31 | 0 | 0 | 0 | /// | -9.5 | -5.7 ) | -13.0 ) | -3.7 ) | -14.6 ) | /// | /// | 2.8 | 6 | 北 | /// | /// | 52.2 | /// | /// | /// | |
| 第1半旬 | 1～ 5 | 0 | 0 | 0 | /// | -6.5 | -3.8 | -9.3 | -2.1 | -11.0 | /// | /// | 3.0 | 6 | 北北東 | /// | /// | 34.5 | /// | /// | /// | |
| 第2半旬 | 6～10 | 0 | 0 | 0 | /// | -4.6 | -1.6 ) | -9.7 ) | -1.0 ) | -13.2 ) | /// | /// | 2.4 | 6 ) | 北 | /// | /// | 42.8 | /// | /// | /// | |
| 第3半旬 | 11～15 | 3 | 2 | 1 | /// | -4.4 | -1.8 | -7.6 | -0.9 | -10.4 | /// | /// | 3.0 | 7 | 北北東 | /// | /// | 36.8 | /// | /// | /// | |
| 第4半旬 | 16～20 | 20 | 11 | 3 | /// | -4.8 | -3.0 | -7.3 | -1.7 | -11.3 | /// | /// | 4.0 | 6 | 北 | /// | /// | 19.5 | /// | /// | /// | |
| 第5半旬 | 21～25 | 4 | 2 | 1 | /// | -7.5 | -4.8 | -10.8 | -1.8 | -11.9 | /// | /// | 4.1 | 9 | 北北東 | /// | /// | 26.3 | /// | /// | /// | |
| 第6半旬 | 26～28 | 0 | 0 | 0 | /// | -8.5 | -5.2 | -12.3 | -3.5 | -12.9 | /// | /// | 4.5 | 8 | 北 | /// | /// | 28.8 | /// | /// | /// | |
| 第1半旬 | 1～ 5 | 0 | 0 | 0 | /// | -3.5 | -0.6 | -7.4 | 1.1 | -11.0 | /// | /// | 2.3 | 5 | 南南西 | /// | /// | 43.2 | /// | /// | /// | |
| 第2半旬 | 6～10 | 7 | 5 | 1 | /// | -6.6 | -3.2 | -11.2 | -1.1 | -13.6 | /// | /// | 4.5 | 12 | 北 | /// | /// | 45.6 | /// | /// | /// | |
| 第3半旬 | 11～15 | 46 | 26 | 6 | /// | -2.9 | 0.0 | -6.3 | 3.6 | -13.2 | /// | /// | 3.3 | 7 | 南南西 | /// | /// | 24.8 | /// | /// | /// | |
| 第4半旬 | 16～20 | 1 | 1 | 1 | /// | -1.4 | 1.0 | -4.3 | 4.3 | -8.1 | /// | /// | 3.0 | 7 | 北北東 | /// | /// | 50.1 | /// | /// | /// | |
| 第5半旬 | 21～25 | 4 | 3 | 1 | /// | -2.8 | -0.4 | -5.3 | 3.2 | -8.4 | /// | /// | 3.1 | 8 | 北 | /// | /// | 25.7 | /// | /// | /// | |
| 第6半旬 | 26～31 | 10 | 10 | 1 | /// | -2.0 | 0.1 | -4.4 | 1.6 | -5.8 | /// | /// | 3.2 | 9 | 北東 | /// | /// | 52.8 | /// | /// | /// | |
| 第1半旬 | 1～ 5 | 20 | 19 | 4 | /// | 3.1 | 5.7 | 0.8 | 9.0 | -0.7 | /// | /// | 3.0 | 10 | 北 | /// | /// | 37.2 | /// | /// | /// | |
| 第2半旬 | 6～10 | 11 | 7 | 2 | /// | 2.0 | 5.3 | -1.2 | 6.4 | -2.0 | /// | /// | 3.4 | 8 | 北北西 | /// | /// | 35.2 | /// | /// | /// | |
| 第3半旬 | 11～15 | 15 | 13 | 1 | /// | 0.4 | 2.5 | -1.9 | 3.9 | -4.0 | /// | /// | 2.9 | 9 | 北北東 | /// | /// | 26.6 | /// | /// | /// | |
| 第4半旬 | 16～20 | 12 | 12 | 3 | /// | 1.9 | 5.1 | -0.7 | 7.9 | -2.2 | /// | /// | 2.7 | 8 | 北北東 | /// | /// | 37.0 | /// | /// | /// | |
| 第5半旬 | 21～25 | 8 | 8 | 3 | /// | 4.9 | 9.4 | 1.9 | 14.4 | 0.3 | /// | /// | 3.1 | 10 | 北北東 | /// | /// | 33.7 | /// | /// | /// | |
| 第6半旬 | 26～30 | 3 | 3 | 1 | /// | 6.0 ) | 9.2 ) | 3.1 ) | 10.8 ) | 0.2 ] | /// | /// | 3.4 | 8 | 南南東 | /// | /// | 42.4 | /// | /// | /// | |
| 第1半旬 | 1～ 5 | 19 | 17 | 3 | /// | 6.3 | 9.8 | 3.9 | 16.7 | 3.3 | /// | /// | 3.6 | 9 | 北北東 | /// | /// | 35.0 | /// | /// | /// | |
| 第2半旬 | 6～10 | 2 | 2 | 1 | /// | 6.4 | 9.5 | 4.3 | 10.8 | 2.6 | /// | /// | 4.0 | 9 | 北 | /// | /// | 36.0 | /// | /// | /// | |
| 第3半旬 | 11～15 | 22 ] | 22 ] | 4 ] | /// | 6.6 ] | 9.6 ] | 3.8 ] | 11.1 ] | 2.5 ] | /// | /// | 2.7 ] | 7 ] | 北北東 | /// | /// | 0.0 ] | /// | /// | /// | |
| 第4半旬 | 16～20 | 20 | 13 | 5 | /// | 3.8 | 6.2 | 1.2 | 10.1 | -0.6 | /// | /// | 2.9 | 8 | 北 | /// | /// | 6.9 | /// | /// | /// | |
| 第5半旬 | 21～25 | 54 | 51 | 7 | /// | 8.6 | 11.6 | 5.3 | 18.2 | 2.0 | /// | /// | 3.0 | 7 | 北北東 | /// | /// | 38.5 | /// | /// | /// | |
| 第6半旬 | 26～31 | 87 | 70 | 6 | /// | 5.2 | 7.9 | 2.9 | 11.6 | 2.4 | /// | /// | 3.8 | 8 | 北北西 | /// | /// | 28.8 | /// | /// | /// | |
| 第1半旬 | 1～ 5 | 62 | 47 | 6 | /// | 5.4 | 7.1 | 3.9 | 10.4 | 3.3 | /// | /// | 3.0 | 7 | 北北東 | /// | /// | 15.5 | /// | /// | /// | |
| 第2半旬 | 6～10 | 16 | 7 | 2 | /// | 6.9 | 8.6 | 5.8 | 10.4 | 5.1 | /// | /// | 1.9 | 5 | 北 | /// | /// | 4.3 | /// | /// | /// | |
| 第3半旬 | 11～15 | 77 | 60 | 14 | /// | 10.4 | 13.6 | 8.3 | 19.3 | 5.8 | /// | /// | 1.5 | 6 | 北北東 | /// | /// | 17.4 | /// | /// | /// | |
| 第4半旬 | 16～20 | 7 | 6 | 2 | /// | 7.8 | 9.8 | 6.0 | 12.6 | 4.3 | /// | /// | 2.2 | 4 | 北北東 | /// | /// | 8.8 | /// | /// | /// | |
| 第5半旬 | 21～25 | 36 | 36 | 6 | /// | 10.5 | 13.9 | 7.8 | 21.0 | 4.2 | /// | /// | 2.4 | 7 | 北 | /// | /// | 42.6 | /// | /// | /// | |
| 第6半旬 | 26～30 | 3 | 2 | 1 | /// | 12.3 | 14.7 | 10.3 | 19.7 | 8.9 | /// | /// | 1.8 | 6 | 北北東 | /// | /// | 24.9 | /// | /// | /// | |
| 第1半旬 | 1～ 5 | 39 | 17 | 6 | /// | 10.4 | 11.5 | 9.3 | 12.5 | 8.3 | /// | /// | 2.8 | 9 | 南南東 | /// | /// | 3.7 | /// | /// | /// | |
| 第2半旬 | 6～10 | 67 | 66 | 11 | /// | 13.4 | 16.4 | 11.4 | 19.7 | 10.6 | /// | /// | 2.8 | 10 | 南 | /// | /// | 22.0 | /// | /// | /// | |
| 第3半旬 | 11～15 | 3 | 3 | 1 | /// | 15.0 | 18.1 | 12.9 | 19.8 | 12.2 | /// | /// | 2.1 | 6 | 南 | /// | /// | 25.8 | /// | /// | /// | |
| 第4半旬 | 16～20 | 4 | 4 | 2 | /// | 17.9 | 20.7 | 14.9 | 25.5 | 12.8 | /// | /// | 2.1 | 6 | 北北東 | /// | /// | 32.2 | /// | /// | /// | |
| 第5半旬 | 21～25 | 12 | 8 | 4 | /// | 13.6 | 15.7 | 11.6 | 18.7 | 11.1 | /// | /// | 4.3 | 9 | 北北東 | /// | /// | 14.0 | /// | /// | /// | |
| 第6半旬 | 26～31 | 4 | 3 | 3 | /// | 16.7 | 19.5 ) | 14.0 ) | 22.8 ) | 12.3 ) | /// | /// | 1.9 | 6 | 北北東 | /// | /// | 46.7 | /// | /// | /// | |
| 第1半旬 | 1～ 5 | 39 | 35 | 16 | /// | 18.4 | 20.9 | 16.2 | 26.0 | 15.4 | /// | /// | 4.3 | 11 | 南東 | /// | /// | 25.6 | /// | /// | /// | |
| 第2半旬 | 6～10 | 10 | 6 | 4 | /// | 15.9 | 18.4 ) | 13.5 ) | 19.3 ) | 12.7 ) | /// | /// | 2.3 | 10 | 南東 | /// | /// | 36.4 | /// | /// | /// | |
| 第3半旬 | 11～15 | 6 | 6 | 2 | /// | 17.1 | 19.7 | 14.8 | 22.6 | 14.1 | /// | /// | 2.1 | 7 | 南 | /// | /// | 30.4 | /// | /// | /// | |
| 第4半旬 | 16～20 | 19 | 18 | 4 | /// | 15.6 | 18.0 | 13.4 | 19.2 | 11.5 | /// | /// | 2.8 | 7 | 北北東 | /// | /// | 31.0 | /// | /// | /// | |
| 第5半旬 | 21～25 | 65 | 35 | 12 | /// | 14.8 ] | 18.1 ] | 12.5 ] | 20.4 ] | 11.3 ] | /// | /// | 3.6 | 22 | /// | /// | /// | 31.0 | /// | /// | /// | |
| 第6半旬 | 26～31 | 13 | 9 | 5 | /// | 18.4 ) | 21.2 ) | 16.1 ) | 22.6 ) | 15.8 ) | /// | /// | 2.1 | 5 | 南南西 | /// | /// | 34.6 | /// | /// | /// | |
| 第1半旬 | 1～ 5 | 74 | 73 | 16 | /// | 15.5 ] | 17.6 ] | 12.6 ] | 20.6 ] | 11.0 ] | /// | /// | 2.4 | 14 | 南 | /// | /// | 22.8 | /// | /// | /// | |
| 第2半旬 | 6～10 | 0 | 0 | 0 | /// | 14.1 ] | 16.3 ] | 12.4 ] | 18.9 ] | 11.0 ] | /// | /// | 2.9 | 10 | 南 | /// | /// | 37.7 | /// | /// | /// | |
| 第3半旬 | 11～15 | 10 | 10 | 2 | /// | 13.3 | 15.8 | 10.8 | 18.1 | 7.8 | /// | /// | 2.4 | 6 | 南南東 | /// | /// | 33.0 | /// | /// | /// | |
| 第4半旬 | 16～20 | 0 | 0 | 0 | /// | 14.6 ) | 17.3 ) | 12.4 ) | 19.4 ) | 11.3 ] | /// | /// | 2.5 | 7 | 北北東 | /// | /// | 44.5 | /// | /// | /// | |
| 第5半旬 | 21～25 | 14 | 14 | 8 | /// | 14.3 | 16.4 | 11.6 | 19.0 | 7.5 | /// | /// | 2.0 | 6 | 南南東 | /// | /// | 28.6 | /// | /// | /// | |
| 第6半旬 | 26～30 | 48 | 47 | 8 | /// | 13.1 | 15.6 | 10.4 | 17.5 | 7.5 | /// | /// | 2.9 | 10 | 北 | /// | /// | 33.8 | /// | /// | /// | |
| 第1半旬 | 1～ 5 | 5 | 4 | 1 | /// | 11.1 | 13.4 | 8.6 | 15.8 | 7.2 | /// | /// | 2.9 | 8 | 北北東 | /// | /// | 30.0 | /// | /// | /// | |
| 第2半旬 | 6～10 | 20 | 20 | 5 | /// | 13.1 | 15.5 | 10.8 | 17.9 | 9.2 | /// | /// | 3.0 | 9 | 南 | /// | /// | 40.2 | /// | /// | /// | |
| 第3半旬 | 11～15 | 36 | 36 | 15 | /// | 11.3 | 13.3 ) | 8.1 ) | 15.0 ) | 6.3 ) | /// | /// | 2.9 | 11 | 南 | /// | /// | 39.1 | /// | /// | /// | |
| 第4半旬 | 16～20 | 12 | 12 | 4 | /// | 10.4 ] | 12.5 ] | 5.5 ] | 13.6 ] | 4.6 ] | /// | /// | 3.4 | 10 ) | 南東 | /// | /// | 38.3 | /// | /// | /// | |
| 第5半旬 | 21～25 | 35 | 31 | 7 | /// | 9.2 ] | 10.2 ] | 6.7 ] | 13.3 ] | 5.7 ] | /// | /// | 6.8 | 18 | /// | /// | /// | 34.9 | /// | /// | /// | |
| 第6半旬 | 26～31 | 0 | 0 | 0 | /// | 8.0 ] | 9.8 ] | 6.3 ] | 10.5 ] | 5.6 ] | /// | /// | 3.2 | 13 | /// | /// | /// | 43.1 | /// | /// | /// | |
| 第1半旬 | 1～ 5 | 26 | 21 | 4 | /// | 6.5 | 9.0 | 3.2 | 10.3 | 1.2 | /// | /// | 3.5 | 8 | 南南西 | /// | /// | 36.5 | /// | /// | /// | |
| 第2半旬 | 6～10 | 0 | 0 | 0 | /// | 1.4 | 3.5 | -0.9 | 5.0 | -3.6 | /// | /// | 2.4 | 4 | 南南西 | /// | /// | 40.6 | /// | /// | /// | |
| 第3半旬 | 11～15 | 5 | 3 | 3 | /// | 3.5 | 6.5 ) | -1.6 ) | 9.4 ) | -2.6 ) | /// | /// | 3.0 | 7 | 南南西 | /// | /// | 35.4 | /// | /// | /// | |
| 第4半旬 | 16～20 | 0 | 0 | 0 | /// | 3.0 | 5.8 | -1.3 | 8.9 | -7.2 | /// | /// | 2.6 | 5 | 南南西 | /// | /// | 37.8 | /// | /// | /// | |
| 第5半旬 | 21～25 | 2 | 2 | 1 | /// | -0.4 | 3.3 | -3.5 | 6.4 | -5.3 | /// | /// | 3.0 | 11 | 南 | /// | /// | 34.6 | /// | /// | /// | |
| 第6半旬 | 26～30 | 4 | 4 | 2 | /// | -3.0 | -0.3 | -6.3 | 2.7 | -9.3 | /// | /// | 2.2 | 5 | 北北東 | /// | /// | 32.3 | /// | /// | /// | |
| 第1半旬 | 1～ 5 | 3 | 2 | 1 | /// | -1.8 | 0.8 | -4.6 | 5.7 | -9.5 | /// | /// | 3.1 | 9 | 南南西 | /// | /// | 17.8 | /// | /// | /// | |
| 第2半旬 | 6～10 | 8 | 5 | 1 | /// | -1.2 | 1.0 | -3.4 | 2.1 | -6.1 | /// | /// | 2.8 | 6 | 北 | /// | /// | 27.9 | /// | /// | /// | |
| 第3半旬 | 11～15 | 2 | 1 | 1 | /// | 1.3 | 3.2 | -1.7 | 5.5 | -4.7 | /// | /// | 3.2 | 12 | 南 | /// | /// | 20.5 | /// | /// | /// | |
| 第4半旬 | 16～20 | 3 | 2 | 1 | /// | -0.5 | 1.5 ) | -3.6 ) | 4.1 ] | -5.1 ) | /// | /// | 2.9 | 8 | 北 | /// | /// | 28.1 | /// | /// | /// | |
| 第5半旬 | 21～25 | 0 | 0 | 0 | /// | 0.1 | 3.4 | -2.9 | 5.9 | -6.8 | /// | /// | 2.5 | 6 | 南 | /// | /// | 35.5 | /// | /// | /// | |
| 第6半旬 | 26～31 | 16 | 14 | 3 | /// | -0.4 | 2.4 | -4.3 | 5.2 | -7.5 | /// | /// | 2.4 | 6 | 北 | /// | /// | 28.0 | /// | /// | /// | |
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