半旬ごとの値
 |  |
 |  |
 |  |  |  |  |
 |  |  |  |  |  |
 |  |  |  |
大滝（胆振地方) 1999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 | 9 | 5 | 1 | /// | -9.2 | -3.3 | -15.9 | -0.3 | -18.2 | /// | /// | 1.1 | 4 | 南南西 | /// | /// | 7.3 | 25 | 20 | 71 | |
| 第2半旬 | 6～10 | 11 | 5 | 1 | /// | -11.1 | -6.7 | -17.0 | -1.0 | -21.8 | /// | /// | 1.5 | 4 | 南南西 | /// | /// | 7.9 | 26 | 12 | 75 | |
| 第3半旬 | 11～15 | 22 | 14 | 2 | /// | -5.4 | -2.5 | -9.5 | -1.6 | -12.7 | /// | /// | 0.9 | 2 | 南南西 | /// | /// | 9.0 | 39 | 22 | 93 | |
| 第4半旬 | 16～20 | 20 | 8 | 2 | /// | -4.8 | -1.7 | -9.4 | 0.8 | -10.5 | /// | /// | 1.1 | 3 | 南南西 | /// | /// | 0.6 | 35 | 13 | 91 | |
| 第5半旬 | 21～25 | 24 | 9 | 2 | /// | -5.8 | -2.4 | -9.8 | 3.3 | -12.6 | /// | /// | 1.3 | 5 | 南 | /// | /// | 7.8 | 36 | 14 | 97 | |
| 第6半旬 | 26～31 | 24 | 9 | 4 | /// | -9.0 | -5.3 | -13.8 | 0.2 | -21.5 | /// | /// | 2.0 | 6 | 南西 | /// | /// | 8.4 | 40 | 14 | 95 | |
| 第1半旬 | 1～ 5 | 18 | 9 | 3 | /// | -9.8 | -5.3 | -15.0 | -3.0 | -21.1 | /// | /// | 1.6 | 5 | 南西 | /// | /// | 15.3 | 41 | 21 | 110 | |
| 第2半旬 | 6～10 | 46 | 14 | 4 | /// | -8.4 | -4.2 | -13.6 | -3.0 | -19.8 | /// | /// | 1.7 | 4 | 南南西 | /// | /// | 3.4 | 69 | 24 | 139 | |
| 第3半旬 | 11～15 | 3 | 1 | 1 | /// | -9.1 | -4.5 | -15.0 | -1.3 | -19.3 | /// | /// | 1.8 | 4 | 南西 | /// | /// | 14.2 | 9 | 5 | 130 | |
| 第4半旬 | 16～20 | 9 | 5 | 1 | /// | -4.9 | -0.5 | -9.8 | 5.1 | -16.7 | /// | /// | 1.7 | 5 | 南西 | /// | /// | 16.5 | 22 | 15 | 115 | |
| 第5半旬 | 21～25 | 13 | 6 | 1 | /// | -6.3 | -1.8 | -11.6 | 3.1 | -17.1 | /// | /// | 1.6 | 4 | 南南西 | /// | /// | 12.5 | 30 | 13 | 121 | |
| 第6半旬 | 26～28 | 18 | 12 | 2 | /// | -4.2 | 0.0 | -9.9 | 3.5 | -10.9 | /// | /// | 2.2 | 6 | 南西 | /// | /// | 1.9 | 29 | 18 | 122 | |
| 第1半旬 | 1～ 5 | 24 | 9 | 4 | /// | -4.2 | -0.1 | -9.8 | 1.4 | -14.1 | /// | /// | 1.8 | 5 | 南西 | /// | /// | 17.6 | 34 | 15 | 124 | |
| 第2半旬 | 6～10 | 14 | 11 | 2 | /// | -7.9 | -2.0 | -14.2 | -0.2 | -17.2 | /// | /// | 1.6 | 4 | 南南西 | /// | /// | 18.6 | 30 | 13 | 131 | |
| 第3半旬 | 11～15 | 6 | 5 | 2 | /// | -4.8 | 0.1 | -10.9 | 5.9 | -19.1 | /// | /// | 1.3 | 4 | 南 | /// | /// | 10.4 | 17 | 8 | 128 | |
| 第4半旬 | 16～20 | 10 | 9 | 2 | /// | -0.8 | 2.7 | -4.9 | 6.4 | -13.4 | /// | /// | 1.4 | 3 | 北北東 | /// | /// | 17.6 | 19 | 12 | 110 | |
| 第5半旬 | 21～25 | 19 | 14 | 2 | /// | -3.7 | 1.5 | -9.8 | 8.9 | -15.2 | /// | /// | 1.8 | 5 | 南西 | /// | /// | 19.2 | 47 | 29 | 133 | |
| 第6半旬 | 26～31 | 9 | 3 | 1 | /// | -3.2 | 1.3 | -8.3 | 10.7 | -13.1 | /// | /// | 1.4 | 5 | 南西 | /// | /// | 25.1 | 27 | 10 | 104 | |
| 第1半旬 | 1～ 5 | 20 | 8 | 2 | /// | -1.5 | 2.1 | -7.3 | 5.1 | -10.2 | /// | /// | 1.4 | 4 | 西南西 | /// | /// | 18.8 | 23 | 7 | 95 | |
| 第2半旬 | 6～10 | 6 | 4 | 1 | /// | -0.9 | 3.1 | -6.5 | 9.9 | -10.8 | /// | /// | 1.6 | 5 | 南西 | /// | /// | 21.0 | 17 | 7 | 93 | |
| 第3半旬 | 11～15 | 20 | 12 | 2 | /// | 4.2 | 7.9 | 0.5 | 13.0 | -3.0 | /// | /// | 1.2 | 3 | 南西 | /// | /// | 10.7 | 19 | 7 | 76 | |
| 第4半旬 | 16～20 | 2 | 2 | 1 | /// | 4.9 | 10.7 | -1.4 | 12.6 | -2.8 | /// | /// | 1.4 | 4 | 東北東 | /// | /// | 36.0 | 18 | 5 | 48 | |
| 第5半旬 | 21～25 | 0 | 0 | 0 | /// | 7.7 | 17.5 | -0.6 | 22.2 | -4.1 | /// | /// | 1.6 | 4 | 南南西 | /// | /// | 43.1 | 5 | 4 | 13 | |
| 第6半旬 | 26～30 | 4 | 3 | 1 | /// | 6.1 | 12.5 | -0.1 | 17.1 | -4.0 | /// | /// | 1.4 | 5 | 南西 | /// | /// | 27.7 | 0 | 0 | 0 | |
| 第1半旬 | 1～ 5 | 35 | 29 | 5 | /// | 6.6 | 11.6 | 0.3 | 13.3 | -1.6 | /// | /// | 1.8 | 5 | 南西 | /// | /// | 17.8 | 0 | 0 | 0 | |
| 第2半旬 | 6～10 | 22 | 8 | 3 | /// | 6.8 | 11.9 | 2.4 | 16.6 | -0.5 | /// | /// | 1.3 | 4 | 西南西 | /// | /// | 12.1 | 0 ] | 0 ] | 0 ] | |
| 第3半旬 | 11～15 | 1 | 1 | 1 | /// | 5.9 | 12.7 | -0.3 | 14.0 | -1.7 | /// | /// | 1.5 | 5 | 南西 | /// | /// | 20.4 | /// | /// | /// | |
| 第4半旬 | 16～20 | 15 | 9 | 2 | /// | 7.9 | 13.0 | 2.3 | 15.2 | -1.8 | /// | /// | 2.1 | 6 | 南西 | /// | /// | 15.9 | /// | /// | /// | |
| 第5半旬 | 21～25 | 20 | 17 | 5 | /// | 12.1 | 19.1 | 4.6 | 24.2 | 1.6 | /// | /// | 1.7 | 4 | 南西 | /// | /// | 33.8 | /// | /// | /// | |
| 第6半旬 | 26～31 | 72 | 32 | 8 | /// | 10.7 | 15.3 | 5.9 | 23.0 | 2.2 | /// | /// | 1.3 | 4 | 南南西 | /// | /// | 20.5 | /// | /// | /// | |
| 第1半旬 | 1～ 5 | 8 | 6 | 2 | /// | 15.4 | 23.1 | 7.9 | 25.0 | 5.4 | /// | /// | 1.5 | 3 | 南南西 | /// | /// | 34.0 | /// | /// | /// | |
| 第2半旬 | 6～10 | 18 | 14 | 2 | /// | 11.7 | 16.7 | 7.1 | 23.0 | 4.2 | /// | /// | 1.1 | 4 | 南西 | /// | /// | 22.1 | /// | /// | /// | |
| 第3半旬 | 11～15 | 0 | 0 | 0 | /// | 16.2 | 23.7 | 8.2 | 25.4 | 5.0 | /// | /// | 1.5 | 4 | 南西 | /// | /// | 28.5 | /// | /// | /// | |
| 第4半旬 | 16～20 | 1 | 1 | 1 | /// | 14.2 | 20.1 | 7.7 | 21.9 | 6.1 | /// | /// | 1.3 | 3 | 東北東 | /// | /// | 23.7 | /// | /// | /// | |
| 第5半旬 | 21～25 | 17 | 16 | 4 | /// | 15.3 | 21.3 | 8.9 | 26.5 | 5.9 | /// | /// | 1.7 | 5 | 南西 | /// | /// | 32.6 | /// | /// | /// | |
| 第6半旬 | 26～30 | 3 | 2 | 1 | /// | 15.3 | 19.7 | 11.8 | 24.3 | 9.4 | /// | /// | 1.4 | 3 | 北北東 | /// | /// | 13.5 | /// | /// | /// | |
| 第1半旬 | 1～ 5 | 47 | 28 | 4 | /// | 15.8 | 19.1 | 12.9 | 23.5 | 10.0 | /// | /// | 1.4 | 4 | 北東 | /// | /// | 8.3 | /// | /// | /// | |
| 第2半旬 | 6～10 | 0 | 0 | 0 | /// | 15.6 | 22.4 | 10.0 | 24.2 | 5.7 | /// | /// | 1.2 | 3 | 南南西 | /// | /// | 27.5 | /// | /// | /// | |
| 第3半旬 | 11～15 | 140 | 104 | 19 | /// | 20.1 | 23.3 | 16.8 | 26.3 | 11.0 | /// | /// | 1.8 | 5 | 東北東 | /// | /// | 11.8 | /// | /// | /// | |
| 第4半旬 | 16～20 | 10 | 7 | 1 | /// | 19.9 | 24.6 | 16.3 | 26.6 | 14.7 | /// | /// | 1.0 | 3 | 南南西 | /// | /// | 20.2 | /// | /// | /// | |
| 第5半旬 | 21～25 | 12 | 7 | 5 | /// | 21.0 | 24.6 | 17.6 | 28.4 | 14.7 | /// | /// | 1.4 | 4 | 南西 | /// | /// | 17.0 | /// | /// | /// | |
| 第6半旬 | 26～31 | 213 | 84 | 14 | /// | 22.0 | 25.1 | 19.7 | 28.4 | 18.2 | /// | /// | 1.9 | 4 | 南西 | /// | /// | 9.3 | /// | /// | /// | |
| 第1半旬 | 1～ 5 | 103 | 63 | 22 | /// | 22.7 | 27.8 | 18.0 | 32.7 | 17.2 | /// | /// | 1.4 | 3 | 南西 | /// | /// | 31.8 | /// | /// | /// | |
| 第2半旬 | 6～10 | 17 | 16 | 7 | /// | 24.3 | 30.5 | 18.8 | 33.0 | 17.8 | /// | /// | 1.0 | 3 | 南西 | /// | /// | 39.7 | /// | /// | /// | |
| 第3半旬 | 11～15 | 3 | 3 | 1 | /// | 22.4 | 26.9 | 18.0 | 30.8 | 14.0 | /// | /// | 1.1 | 3 | 南西 | /// | /// | 32.6 | /// | /// | /// | |
| 第4半旬 | 16～20 | 15 | 14 | 12 | /// | 21.6 | 25.6 | 17.6 | 28.1 | 15.7 | /// | /// | 1.2 | 4 | 南西 | /// | /// | 18.6 | /// | /// | /// | |
| 第5半旬 | 21～25 | 43 | 33 | 18 | /// | 20.4 | 25.2 | 16.8 | 27.9 | 14.1 | /// | /// | 0.9 | 3 | 南南西 | /// | /// | 10.6 | /// | /// | /// | |
| 第6半旬 | 26～31 | 31 | 23 | 5 | /// | 18.2 | 23.2 | 13.9 | 26.7 | 11.1 | /// | /// | 0.9 | 3 | 南南西 | /// | /// | 27.2 | /// | /// | /// | |
| 第1半旬 | 1～ 5 | 4 | 4 | 2 | /// | 17.8 | 23.8 | 12.0 | 24.7 | 8.0 | /// | /// | 0.9 | 3 | 南南西 | /// | /// | 38.8 | /// | /// | /// | |
| 第2半旬 | 6～10 | 26 | 22 | 4 | /// | 20.1 | 23.8 | 16.3 | 25.3 | 14.3 | /// | /// | 1.1 | 3 | 南南西 | /// | /// | 16.1 | /// | /// | /// | |
| 第3半旬 | 11～15 | 4 | 4 | 1 | /// | 16.7 | 22.4 | 10.7 | 23.6 | 7.5 | /// | /// | 1.2 | 3 | 南南西 | /// | /// | 23.6 | /// | /// | /// | |
| 第4半旬 | 16～20 | 31 | 25 | 3 | /// | 12.1 | 18.1 | 6.8 | 20.6 | 4.6 | /// | /// | 1.1 | 3 | 北東 | /// | /// | 21.5 | /// | /// | /// | |
| 第5半旬 | 21～25 | 41 | 19 | 5 | /// | 13.9 | 17.8 | 9.9 | 21.6 | 4.4 | /// | /// | 1.8 | 6 | 南西 | /// | /// | 9.7 | /// | /// | /// | |
| 第6半旬 | 26～30 | 4 | 4 | 2 | /// | 14.0 | 19.2 | 6.9 | 21.2 | 4.7 | /// | /// | 1.4 | 5 | 南西 | /// | /// | 33.0 | /// | /// | /// | |
| 第1半旬 | 1～ 5 | 44 | 24 | 12 | /// | 8.5 | 13.6 | 2.8 | 14.8 | -0.3 | /// | /// | 1.3 | 6 | 南西 | /// | /// | 16.3 | /// | /// | /// | |
| 第2半旬 | 6～10 | 6 | 5 | 1 | /// | 8.7 | 16.4 | 3.1 | 18.2 | -0.6 | /// | /// | 1.1 | 4 | 南西 | /// | /// | 29.6 | /// | /// | /// | |
| 第3半旬 | 11～15 | 48 | 38 | 8 | /// | 9.5 | 14.8 | 1.8 | 16.6 | -1.9 | /// | /// | 1.2 | 3 | 西南西 | /// | /// | 10.7 | /// | /// | /// | |
| 第4半旬 | 16～20 | 20 | 15 | 3 | /// | 4.4 | 8.8 | 1.0 | 12.6 | -1.0 | /// | /// | 1.9 | 5 | 南西 | /// | /// | 14.8 | /// | /// | /// | |
| 第5半旬 | 21～25 | 5 | 4 | 2 | /// | 6.9 | 13.2 | 1.7 | 17.0 | -0.9 | /// | /// | 1.7 | 5 | 南西 | /// | /// | 21.3 | /// | /// | /// | |
| 第6半旬 | 26～31 | 32 | 18 | 8 | /// | 8.2 | 12.9 | 4.0 | 15.6 | -1.7 | /// | /// | 1.3 | 4 | 北北東 | /// | /// | 14.7 | /// | /// | /// | |
| 第1半旬 | 1～ 5 | 13 | 11 | 1 | /// | 2.9 | 7.0 | -1.0 | 9.1 | -2.8 | /// | /// | 1.1 | 3 | 南西 | /// | /// | 8.1 | /// | /// | /// | |
| 第2半旬 | 6～10 | 1 | 1 | 1 | /// | 2.4 | 8.7 | -3.2 | 11.6 | -4.7 | /// | /// | 1.2 | 4 | 北東 | /// | /// | 24.5 | /// | /// | /// | |
| 第3半旬 | 11～15 | 29 | 25 | 6 | /// | 3.8 | 7.8 | -0.4 | 10.4 | -3.5 | /// | /// | 1.1 | 4 | 西南西 | /// | /// | 10.6 | 0 ] | 0 ] | 0 ] | |
| 第4半旬 | 16～20 | 10 | 4 | 1 | /// | -0.5 | 2.7 | -3.3 | 6.4 | -4.7 | /// | /// | 1.5 | 4 | 南南西 | /// | /// | 12.0 | 16 | 10 | 10 | |
| 第5半旬 | 21～25 | 14 | 14 | 5 | /// | 3.9 | 11.3 | -0.9 | 13.7 | -2.3 | /// | /// | 1.3 | 4 | 西南西 | /// | /// | 23.8 | 0 | 0 | 0 | |
| 第6半旬 | 26～30 | 20 | 8 | 2 | /// | -5.5 | -2.8 | -8.5 | -0.2 | -11.1 | /// | /// | 1.8 | 4 | 南西 | /// | /// | 5.8 | 41 | 18 | 27 | |
| 第1半旬 | 1～ 5 | 21 | 9 | 2 | /// | -4.5 | -1.5 | -7.4 | 1.9 | -9.0 | /// | /// | 1.2 | 3 | 北 | /// | /// | 5.8 | 40 | 17 | 39 | |
| 第2半旬 | 6～10 | 29 | 15 | 4 | /// | -3.3 | 0.0 | -8.1 | 3.5 | -12.3 | /// | /// | 1.5 | 4 | 南 | /// | /// | 12.5 | 39 | 20 | 50 | |
| 第3半旬 | 11～15 | 33 | 15 | 3 | /// | -7.6 | -4.4 | -10.9 | 1.5 | -13.3 | /// | /// | 2.1 | 4 | 南西 | /// | /// | 4.4 | 62 | 36 | 74 | |
| 第4半旬 | 16～20 | 4 | 2 | 1 | /// | -7.1 | -1.6 | -11.7 | -0.1 | -14.4 | /// | /// | 0.7 | 3 | 南南西 | /// | /// | 10.1 | 20 | 10 | 56 | |
| 第5半旬 | 21～25 | 14 | 10 | 6 | /// | -5.5 | -0.9 | -10.2 | 2.2 | -13.5 | /// | /// | 1.1 | 4 | 北東 | /// | /// | 13.7 | 30 | 17 | 64 | |
| 第6半旬 | 26～31 | 8 | 3 | 1 | /// | -4.0 | -0.1 | -8.6 | 2.4 | -12.7 | /// | /// | 0.8 | 2 | 北北東 | /// | /// | 11.4 | 25 | 8 | 54 | |
- 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。