月ごとの値
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酒田（山形県) 1977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 | ||||||||||||||||||||||||||||
| 68.9 | 23 | 4 | 4 | 6.2 | 113 | 14 | 26 | 16 | 10 | 3 | 0 | 0 | 0 | 31 | 30 | 31 | 31 | 31 | 30 | 17 | 0 | 0 | 9.5 | 0 | 29 | 30 | 0 | 2 | |
| 76.0 | 25 | 4 | 7 | 8.0 | 107 | 29 | 01 | 11 | 8 | 3 | 1 | 0 | 0 | 52 | 01 | 28 | 28 | 27 | 26 | 25 | 3 | 0 | 8.8 | 1 | 22 | 23 | 1 | 3 | |
| 160.7 | 44 | 6 | 18 | 11.0 | 15 | 7 | 04 | 2 | 2 | 0 | 0 | 0 | 0 | 8 | 06 | 7 | 5 | 4 | 0 | 0 | 0 | 0 | 7.8 | 1 | 14 | 9 | 0 | 0 | |
| 165.7 | 42 | 5 | 18 | 13.7 | 0 | 0 | 19* | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 19 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 7.0 | 1 | 10 | 2 | 0 | 2 | |
| 205.0 | 46 | 8 | 17 | 16.7 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.3 | 1 | 14 | 0 | 4 | 0 | |||
| 209.7 | 47 | 4 | 18 | 18.6 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.3 | 2 | 12 | 0 | 1 | 0 | |||
| 237.3 | 53 | 2 | 20 | 18.9 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6.8 | 1 | 15 | 0 | 1 | 0 | |||
| 183.8 | 43 | 5 | 17 | 15.2 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.9 | 0 | 15 | 0 | 1 | 1 | |||
| 193.8 | 52 | 0 | 17 | 14.0 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6.6 | 3 | 13 | 0 | 2 | 4 | |||
| 239.7 | 69 | 1 | 27 | 12.5 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4.6 | 10 | 6 | 0 | 3 | 2 | |||
| 93.3 | 31 | 5 | 9 | 5.7 | 0 | 0 | 30* | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 23 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 7.8 | 2 | 15 | 2 | 0 | 10 | |
| 80.2 | 27 | 7 | 9 | 4.3 | 15 | 4 | 21 | 3 | 0 | 0 | 0 | 0 | 0 | 4 | 22 | 9 | 8 | 0 | 0 | 0 | 0 | 0 | 8.2 | 0 | 16 | 10 | 0 | 2 | |