月ごとの値
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飯田（長野県) 1999年（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 | ||||||||||||||||||||||||||||
| 180.5 | 58 | 3 | 22 | 7 | 3 | 09 | 1 | 0 | 0 | 0 | 0 | 0 | 3 | 09 | 9 | 4 | 0 | 0 | 0 | 0 | 0 | 4.5 | 10 | 4 | 17 | 4 | 0 | ||
| 186.2 | 61 | 3 | 20 | 20 | 10 | 11 | 3 | 1 | 1 | 0 | 0 | 0 | 9 | 11 | 14 | 9 | 4 | 0 | 0 | 0 | 0 | 4.1 | 9 | 4 | 12 | 1 | 0 | ||
| 158.2 | 43 | 8 | 18 | 5 | 5 | 20 | 1 | 1 | 0 | 0 | 0 | 0 | 6 | 20 | 3 | 2 | 2 | 0 | 0 | 0 | 0 | 7.4 | 0 | 14 | 4 | 5 | 0 | ||
| 166.4 | 43 | 5 | 17 | 0 | 0 | 07 | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.1 | 2 | 8 | 0 | 3 | 2 | |||
| 236.2 | 55 | 4 | 23 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6.6 | 2 | 9 | 0 | 1 | 2 | ||||
| 144.6 | 33 | 5 | 12 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 8.1 | 0 | 15 | 0 | 0 | 2 | ||||
| 175.5 | 40 | 3 | 15 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 8.0 | 0 | 18 | 0 | 1 | 3 | ||||
| 190.8 | 46 | 1 | 21 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.0 | 1 | 9 | 0 | 1 | 3 | ||||
| 138.4 | 37 | 5 | 16 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 8.0 | 1 | 15 | 0 | 1 | 8 | ||||
| 162.6 | 47 | 4 | 20 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6.5 | 0 | 10 | 0 | 12 | 2 | ||||
| 153.8 | 50 | 4 | 22 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5.7 | 4 | 6 | 0 | 19 | 1 | ||||
| 169.8 | 56 | 0 | 23 | 1 | 1 | 20 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 20 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 4.7 | 6 | 6 | 7 | 3 | 0 | ||