３か月ごとの値
 |  |
 |  |
 |  |  |  |  |
 |  |  |  |  |  |
 |  |  |  |  |
高松（香川県) 1999年（３か月ごとの値） 詳細（日照・雪・その他）
| 月 | 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 | ||||||||||||||||||||||||||||
11～1 | 484.5 | 52 | 8 | 62 | 8.9 | 0 | 0 | 01/29* | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4.9 | 9 | 9 | 2 | 0 | 2 | |
12～2 | 498.0 | 54 | 6 | 63 | 9.7 | 1 | 1 | 02/05 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 02/05 | 3 | 1 | 0 | 0 | 0 | 0 | 0 | 4.9 | 10 | 12 | 8 | 0 | 2 |
1～3 | 452.9 | 46 | 12 | 57 | 10.7 | 1 | 1 | 02/05 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 02/05 | 3 | 1 | 0 | 0 | 0 | 0 | 0 | 5.8 | 7 | 20 | 10 | 0 | 2 |
2～4 | 453.5 | 43 | 12 | 51 | 13.2 | 1 | 1 | 02/05 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 02/05 | 3 | 1 | 0 | 0 | 0 | 0 | 0 | 6.3 | 10 | 27 | 8 | 0 | 2 |
3～5 | 537.6 | 45 | 13 | 52 | 16.5 | 0 | 0 | 03/22* | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6.5 | 9 | 28 | 2 | 0 | 2 | |
4～6 | 560.6 | 45 | 12 | 52 | 18.3 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6.7 | 8 | 32 | 0 | 0 | 2 | ||
5～7 | 534.5 | 41 | 14 | 46 | 18.3 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.4 | 5 | 40 | 0 | 1 | 4 | ||
6～8 | 483.0 | 38 | 12 | 41 | 17.2 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.8 | 1 | 46 | 0 | 1 | 8 | ||
7～9 | 483.7 | 39 | 7 | 42 | 16.3 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.7 | 3 | 45 | 0 | 1 | 15 | ||
8～10 | 519.3 | 46 | 4 | 49 | 14.9 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.0 | 4 | 41 | 0 | 0 | 15 | ||
9～11 | 478.3 | 46 | 6 | 50 | 12.0 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6.4 | 9 | 34 | 0 | 0 | 10 | ||
10～12 | 488.6 | 51 | 4 | 55 | 10.1 | 0 | 0 | 12/22* | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5.3 | 14 | 22 | 3 | 0 | 2 | |