月ごとの値
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山形（山形県) 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 | ||||||||||||||||||||||||||||
| 83.7 | 28 | 4 | 8 | 6.8 | 98 | 16 | 09 | 10 | 9 | 5 | 0 | 0 | 0 | 26 | 11 | 31 | 29 | 24 | 16 | 2 | 0 | 0 | 8.5 | 0 | 19 | 25 | 1 | 0 | |
| 91.4 | 31 | 2 | 9 | 9.0 | 61 | 17 | 12 | 8 | 5 | 1 | 0 | 0 | 0 | 20 | 13 | 24 | 23 | 14 | 6 | 1 | 0 | 0 | 7.7 | 0 | 10 | 24 | 2 | 0 | |
| 147.3 | 40 | 6 | 16 | 12.2 | 23 | 10 | 31 | 2 | 2 | 1 | 0 | 0 | 0 | 10 | 31 | 10 | 10 | 5 | 1 | 0 | 0 | 0 | 6.7 | 2 | 11 | 14 | 3 | 0 | |
| 141.1 | 36 | 5 | 13 | 14.6 | 0 | 0 | 09* | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 07* | 3 | 3 | 0 | 0 | 0 | 0 | 0 | 7.3 | 3 | 15 | 5 | 1 | 1 | |
| 222.9 | 51 | 2 | 19 | 19.6 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5.9 | 4 | 9 | 0 | 0 | 0 | |||
| 165.2 | 37 | 8 | 16 | 16.8 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.8 | 0 | 16 | 0 | 0 | 2 | |||
| 154.3 | 34 | 3 | 12 | 17.2 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.8 | 1 | 20 | 0 | 0 | 6 | |||
| 203.3 | 48 | 3 | 19 | 17.1 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6.1 | 4 | 10 | 0 | 0 | 5 | |||
| 127.7 | 34 | 7 | 11 | 12.1 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 8.0 | 0 | 16 | 0 | 4 | 0 | |||
| 142.6 | 41 | 4 | 17 | 10.5 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6.6 | 2 | 13 | 0 | 4 | 1 | |||
| 121.2 | 40 | 2 | 14 | 7.5 | 0 | 0 | 29* | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 29* | 2 | 2 | 0 | 0 | 0 | 0 | 0 | 7.3 | 1 | 14 | 5 | 3 | 1 | |
| 59.0 | 20 | 6 | 7 | 4.7 | 92 | 24 | 20 | 10 | 7 | 4 | 1 | 0 | 0 | 35 | 23 | 23 | 23 | 20 | 12 | 7 | 0 | 0 | 8.9 | 0 | 19 | 22 | 5 | 0 | |