半旬ごとの値
 |  |
 |  |
 |  |  |  |  |
 |  |  |  |  |  |
 |  |  |  |  |
高松（香川県) 1981年（半旬ごとの値） 詳細（日照・雪・その他）
| 月 | 半旬 | 日～日 | 日照時間(h) | 全天日射量 (MJ/㎡) | 雪(cm) | 雲量 | 大気現象 | ||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 合計 | 日照率 | 各階級の日数 | 降雪 | 各階級の日数（降雪） | 最深積雪 | 各階級の日数（最深積雪） | 平均 | 各階級の日数 | 雪日数 | 霧日数 | 雷日数 | ||||||||||||||||||||
| 不照 | 日照率 ≧40% | 平均 | 合計 | 日合計の最大 | ≧3cm | ≧5cm | ≧10cm | ≧20cm | ≧50cm | ≧100cm | 値 | 日 | ≧0cm | ≧1cm | ≧5cm | ≧10cm | ≧20cm | ≧50cm | ≧100cm | ＜1.5 | ≧8.5 | ||||||||||
| 値 | 日 | ||||||||||||||||||||||||||||||
| 第1半旬 | 1～ 5 | 31.9 | 65 | 0 | 5 | 9.3 | 0 | 0 | 03* | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4.6 | 1 | 0 | 2 | 0 | 0 | ||
| 第2半旬 | 6～10 | 32.8 | 66 | 0 | 4 | 8.4 | 0 | 0 | 10 | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4.6 | 1 | 0 | 1 | 0 | 0 | ||
| 第3半旬 | 11～15 | 33.2 | 66 | 0 | 4 | 9.6 | 0 | 0 | 15* | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6.0 | 0 | 0 | 4 | 0 | 1 | ||
| 第4半旬 | 16～20 | 31.3 | 62 | 0 | 4 | 9.7 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5.2 | 1 | 1 | 0 | 0 | 0 | |||
| 第5半旬 | 21～25 | 27.8 | 54 | 1 | 4 | 8.9 | 0 | 0 | 22 | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4.9 | 1 | 1 | 1 | 0 | 0 | ||
| 第6半旬 | 26～31 | 36.1 | 58 | 0 | 5 | 9.1 | 1 | 1 | 26 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 27* | 2 | 2 | 0 | 0 | 0 | 0 | 0 | 5.2 | 1 | 1 | 2 | 0 | 0 | |
| 第1半旬 | 1～ 5 | 23.0 | 44 | 0 | 3 | 8.1 | 0 | 0 | 04 | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6.0 | 0 | 0 | 1 | 0 | 0 | ||
| 第2半旬 | 6～10 | 35.5 | 67 | 0 | 4 | 11.3 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6.2 | 0 | 0 | 0 | 0 | 0 | |||
| 第3半旬 | 11～15 | 18.8 | 35 | 1 | 2 | 8.3 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.0 | 0 | 2 | 0 | 0 | 0 | |||
| 第4半旬 | 16～20 | 21.0 | 38 | 0 | 2 | 10.2 | 0 | 0 | 20 | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 8.9 | 0 | 4 | 1 | 0 | 0 | ||
| 第5半旬 | 21～25 | 24.9 | 45 | 1 | 4 | 10.8 | 2 | 2 | 25 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 25 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 7.5 | 0 | 1 | 1 | 0 | 0 | |
| 第6半旬 | 26～28 | 26.3 | 78 | 0 | 3 | 15.6 | 0 | 0 | 27* | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5.1 | 0 | 0 | 2 | 0 | 0 | ||
| 第1半旬 | 1～ 5 | 30.3 | 53 | 1 | 3 | 12.9 | 7 | 5 | 01 | 1 | 1 | 0 | 0 | 0 | 0 | 7 | 02 | 2 | 2 | 2 | 0 | 0 | 0 | 0 | 5.6 | 0 | 1 | 2 | 1 | 0 | |
| 第2半旬 | 6～10 | 31.3 | 54 | 0 | 3 | 13.2 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5.4 | 1 | 1 | 0 | 0 | 0 | |||
| 第3半旬 | 11～15 | 26.1 | 44 | 1 | 2 | 12.0 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6.8 | 0 | 2 | 0 | 0 | 0 | |||
| 第4半旬 | 16～20 | 44.7 | 75 | 0 | 5 | 17.7 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5.1 | 0 | 1 | 0 | 1 | 0 | |||
| 第5半旬 | 21～25 | 24.2 | 40 | 1 | 2 | 12.5 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5.8 | 1 | 2 | 0 | 0 | 0 | |||
| 第6半旬 | 26～31 | 31.9 | 43 | 2 | 4 | 13.3 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.8 | 0 | 2 | 0 | 0 | 0 | |||
| 第1半旬 | 1～ 5 | 14.1 | 22 | 3 | 1 | 9.0 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 8.1 | 0 | 3 | 0 | 1 | 0 | |||
| 第2半旬 | 6～10 | 28.1 | 44 | 1 | 2 | 14.9 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6.9 | 1 | 3 | 0 | 0 | 0 | |||
| 第3半旬 | 11～15 | 29.0 | 45 | 0 | 2 | 15.7 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5.0 | 1 | 0 | 0 | 0 | 0 | |||
| 第4半旬 | 16～20 | 27.6 | 42 | 0 | 2 | 14.3 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.0 | 0 | 2 | 0 | 0 | 0 | |||
| 第5半旬 | 21～25 | 52.1 | 79 | 0 | 5 | 22.5 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2.4 | 3 | 0 | 0 | 0 | 0 | |||
| 第6半旬 | 26～30 | 49.6 | 74 | 0 | 4 | 21.9 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3.5 | 2 | 0 | 0 | 0 | 0 | |||
| 第1半旬 | 1～ 5 | 35.9 | 53 | 0 | 3 | 17.3 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6.0 | 0 | 1 | 0 | 0 | 0 | |||
| 第2半旬 | 6～10 | 38.7 | 56 | 1 | 4 | 18.6 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6.3 | 0 | 1 | 0 | 0 | 0 | |||
| 第3半旬 | 11～15 | 36.0 | 52 | 0 | 2 | 19.4 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6.5 | 0 | 2 | 0 | 1 | 0 | |||
| 第4半旬 | 16～20 | 26.6 | 38 | 1 | 2 | 16.0 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 8.6 | 0 | 3 | 0 | 0 | 0 | |||
| 第5半旬 | 21～25 | 44.2 | 63 | 1 | 4 | 22.1 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5.5 | 0 | 2 | 0 | 0 | 0 | |||
| 第6半旬 | 26～31 | 56.6 | 67 | 1 | 5 | 21.2 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6.6 | 0 | 1 | 0 | 0 | 1 | |||
| 第1半旬 | 1～ 5 | 49.2 | 69 | 0 | 5 | 23.2 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5.3 | 0 | 0 | 0 | 0 | 0 | |||
| 第2半旬 | 6～10 | 45.2 | 63 | 1 | 4 | 21.3 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4.7 | 1 | 1 | 0 | 0 | 0 | |||
| 第3半旬 | 11～15 | 6.2 | 9 | 3 | 1 | 7.7 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 9.6 | 0 | 4 | 0 | 2 | 0 | |||
| 第4半旬 | 16～20 | 21.4 | 30 | 1 | 2 | 15.6 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 8.9 | 0 | 4 | 0 | 2 | 0 | |||
| 第5半旬 | 21～25 | 13.8 | 19 | 1 | 1 | 13.8 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 9.7 | 0 | 5 | 0 | 1 | 0 | |||
| 第6半旬 | 26～30 | 15.3 | 21 | 1 | 2 | 11.6 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 8.8 | 0 | 3 | 0 | 0 | 1 | |||
| 第1半旬 | 1～ 5 | 25.9 | 36 | 0 | 2 | 16.5 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 9.0 | 0 | 3 | 0 | 0 | 1 | |||
| 第2半旬 | 6～10 | 36.7 | 51 | 0 | 4 | 19.8 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.5 | 0 | 1 | 0 | 0 | 1 | |||
| 第3半旬 | 11～15 | 27.1 | 38 | 0 | 2 | 16.6 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 9.2 | 0 | 4 | 0 | 0 | 3 | |||
| 第4半旬 | 16～20 | 60.8 | 86 | 0 | 5 | 25.9 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3.5 | 3 | 1 | 0 | 0 | 0 | |||
| 第5半旬 | 21～25 | 44.4 | 63 | 0 | 5 | 21.9 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6.7 | 1 | 2 | 0 | 0 | 0 | |||
| 第6半旬 | 26～31 | 56.4 | 68 | 0 | 6 | 20.9 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6.6 | 0 | 1 | 0 | 0 | 0 | |||
| 第1半旬 | 1～ 5 | 47.4 | 69 | 0 | 4 | 21.7 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5.1 | 0 | 0 | 0 | 0 | 0 | |||
| 第2半旬 | 6～10 | 29.7 | 44 | 0 | 4 | 16.9 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 8.3 | 0 | 2 | 0 | 0 | 0 | |||
| 第3半旬 | 11～15 | 37.3 | 55 | 0 | 4 | 19.5 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.1 | 0 | 2 | 0 | 0 | 0 | |||
| 第4半旬 | 16～20 | 43.0 | 64 | 0 | 5 | 21.1 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6.3 | 1 | 2 | 0 | 0 | 0 | |||
| 第5半旬 | 21～25 | 34.4 | 52 | 0 | 4 | 16.3 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6.3 | 0 | 0 | 0 | 0 | 0 | |||
| 第6半旬 | 26～31 | 32.2 | 41 | 2 | 3 | 13.7 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.0 | 0 | 3 | 0 | 0 | 0 | |||
| 第1半旬 | 1～ 5 | 33.9 | 53 | 0 | 3 | 16.3 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 8.5 | 0 | 3 | 0 | 0 | 0 | |||
| 第2半旬 | 6～10 | 22.7 | 36 | 1 | 2 | 12.1 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.9 | 0 | 3 | 0 | 0 | 0 | |||
| 第3半旬 | 11～15 | 30.6 | 49 | 0 | 3 | 15.5 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 8.9 | 0 | 3 | 0 | 0 | 0 | |||
| 第4半旬 | 16～20 | 31.9 | 52 | 1 | 3 | 14.2 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6.2 | 0 | 1 | 0 | 0 | 0 | |||
| 第5半旬 | 21～25 | 30.7 | 51 | 0 | 3 | 11.9 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.7 | 0 | 1 | 0 | 0 | 0 | |||
| 第6半旬 | 26～30 | 35.1 | 59 | 0 | 3 | 14.6 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6.4 | 0 | 2 | 0 | 0 | 0 | |||
| 第1半旬 | 1～ 5 | 29.9 | 51 | 2 | 3 | 12.0 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5.6 | 0 | 2 | 0 | 0 | 0 | |||
| 第2半旬 | 6～10 | 12.0 | 21 | 2 | 1 | 6.5 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 8.6 | 0 | 3 | 0 | 0 | 0 | |||
| 第3半旬 | 11～15 | 39.4 | 69 | 0 | 4 | 13.5 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6.6 | 0 | 1 | 0 | 0 | 0 | |||
| 第4半旬 | 16～20 | 36.3 | 65 | 0 | 4 | 12.2 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6.3 | 0 | 1 | 0 | 0 | 0 | |||
| 第5半旬 | 21～25 | 20.7 | 37 | 2 | 3 | 9.3 | 0 | 0 | 23 | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.3 | 0 | 2 | 0 | 0 | 0 | ||
| 第6半旬 | 26～31 | 45.0 | 69 | 0 | 4 | 11.6 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4.9 | 0 | 1 | 0 | 0 | 0 | |||
| 第1半旬 | 1～ 5 | 18.1 | 34 | 0 | 2 | 7.3 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 9.4 | 0 | 4 | 0 | 0 | 0 | |||
| 第2半旬 | 6～10 | 17.1 | 32 | 2 | 3 | 7.4 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 8.0 | 0 | 2 | 0 | 0 | 0 | |||
| 第3半旬 | 11～15 | 39.5 | 76 | 0 | 5 | 10.8 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4.2 | 1 | 0 | 0 | 0 | 0 | |||
| 第4半旬 | 16～20 | 29.9 | 58 | 0 | 3 | 9.1 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6.0 | 1 | 2 | 0 | 0 | 0 | |||
| 第5半旬 | 21～25 | 20.6 | 41 | 2 | 3 | 6.8 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6.9 | 0 | 1 | 0 | 0 | 0 | |||
| 第6半旬 | 26～30 | 23.0 | 46 | 2 | 3 | 6.7 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5.6 | 1 | 2 | 0 | 0 | 0 | |||
| 第1半旬 | 1～ 5 | 28.7 | 58 | 0 | 4 | 8.9 | 0 | 0 | 01 | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4.2 | 1 | 1 | 0 | 0 | 0 | ||
| 第2半旬 | 6～10 | 29.4 | 59 | 0 | 4 | 7.8 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6.3 | 0 | 1 | 0 | 0 | 0 | |||
| 第3半旬 | 11～15 | 29.5 | 60 | 0 | 4 | 7.7 | 0 | 0 | 15* | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4.8 | 0 | 0 | 2 | 0 | 0 | ||
| 第4半旬 | 16～20 | 32.1 | 65 | 1 | 4 | 7.8 | 0 | 0 | 20 | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5.0 | 1 | 1 | 1 | 0 | 0 | ||
| 第5半旬 | 21～25 | 31.5 | 64 | 0 | 4 | 8.6 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4.6 | 2 | 1 | 0 | 0 | 0 | |||
| 第6半旬 | 26～31 | 30.8 | 52 | 0 | 5 | 7.1 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5.7 | 1 | 2 | 0 | 2 | 0 | |||