月ごとの値
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酒田（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 | ||||||||||||||||||||||||||||
| 28.7 | 10 | 10 | 2 | 4.4 | 109 | 16 | 07 | 12 | 12 | 4 | 0 | 0 | 0 | 21 | 05* | 26 | 25 | 23 | 19 | 3 | 0 | 0 | 9.4 | 0 | 28 | 25 | 0 | 2 | |
| 34.9 | 12 | 7 | 2 | 6.4 | 84 | 27 | 03 | 6 | 4 | 4 | 1 | 0 | 0 | 45 | 04 | 23 | 23 | 19 | 12 | 6 | 0 | 0 | 9.5 | 0 | 26 | 25 | 0 | 4 | |
| 104.6 | 28 | 8 | 9 | 10.9 | 13 | 8 | 28 | 2 | 1 | 0 | 0 | 0 | 0 | 8 | 28 | 8 | 3 | 3 | 0 | 0 | 0 | 0 | 7.7 | 1 | 12 | 14 | 0 | 3 | |
| 152.8 | 39 | 5 | 15 | 15.7 | 0 | 0 | 08* | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.0 | 3 | 12 | 2 | 2 | 0 | ||
| 243.2 | 55 | 5 | 21 | 20.8 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6.2 | 2 | 7 | 0 | 0 | 2 | |||
| 185.7 | 42 | 4 | 14 | 19.2 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.8 | 1 | 16 | 0 | 1 | 2 | |||
| 173.5 | 38 | 5 | 15 | 18.2 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.6 | 3 | 17 | 0 | 0 | 4 | |||
| 221.0 | 52 | 2 | 19 | 18.7 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6.1 | 7 | 13 | 0 | 0 | 6 | |||
| 139.0 | 37 | 5 | 13 | 12.5 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.8 | 2 | 14 | 0 | 0 | 2 | |||
| 135.8 | 39 | 7 | 13 | 10.3 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.2 | 1 | 16 | 0 | 0 | 3 | |||
| 87.1 | 29 | 5 | 9 | 6.2 | 0 | 0 | 30* | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 8.0 | 2 | 18 | 5 | 1 | 10 | ||
| 35.3 | 12 | 7 | 3 | 3.7 | 30 | 16 | 20 | 3 | 2 | 1 | 0 | 0 | 0 | 16 | 21 | 13 | 7 | 5 | 3 | 0 | 0 | 0 | 8.9 | 0 | 25 | 19 | 0 | 11 | |