月ごとの値
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根室（根室地方) 1998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 | ||||||||||||||||||||||||||||
| 173.8 | 60 | 3 | 23 | 7.6 | 20 | 4 | 31* | 5 | 0 | 0 | 0 | 0 | 0 | 13 | 31 | 28 | 28 | 18 | 2 | 0 | 0 | 0 | 5.0 | 4 | 5 | 22 | 0 | 0 | |
| 164.2 | 56 | 3 | 19 | 11.1 | 15 | 6 | 12 | 3 | 1 | 0 | 0 | 0 | 0 | 18 | 14 | 28 | 28 | 28 | 19 | 0 | 0 | 0 | 5.5 | 2 | 6 | 18 | 1 | 0 | |
| 169.3 | 46 | 6 | 17 | 13.7 | 7 | 3 | 07 | 1 | 0 | 0 | 0 | 0 | 0 | 15 | 07 | 19 | 18 | 12 | 8 | 0 | 0 | 0 | 6.0 | 3 | 10 | 14 | 4 | 0 | |
| 160.1 | 40 | 5 | 13 | 17.3 | 0 | 0 | 15* | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 11 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 6.9 | 4 | 11 | 3 | 9 | 0 | |
| 193.1 | 43 | 5 | 18 | 19.4 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6.8 | 5 | 12 | 0 | 11 | 1 | |||
| 120.4 | 26 | 8 | 10 | 17.7 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 8.4 | 0 | 19 | 0 | 16 | 0 | |||
| 74.0 | 16 | 10 | 5 | 15.6 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 9.4 | 0 | 27 | 0 | 20 | 0 | |||
| 86.4 | 20 | 14 | 7 | 13.1 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 8.7 | 1 | 23 | 0 | 14 | 0 | |||
| 116.0 | 31 | 8 | 11 | 12.5 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 8.1 | 0 | 16 | 0 | 6 | 1 | |||
| 145.0 | 42 | 6 | 18 | 9.7 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6.4 | 1 | 10 | 0 | 5 | 0 | |||
| 131.8 | 45 | 4 | 14 | 7.2 | 9 | 9 | 28 | 1 | 1 | 0 | 0 | 0 | 0 | 6 | 28 | 7 | 3 | 1 | 0 | 0 | 0 | 0 | 6.2 | 1 | 7 | 8 | 0 | 0 | |
| 173.5 | 62 | 1 | 22 | 6.8 | 29 | 10 | 06 | 3 | 3 | 1 | 0 | 0 | 0 | 14 | 06 | 25 | 19 | 9 | 2 | 0 | 0 | 0 | 4.3 | 10 | 4 | 17 | 2 | 0 | |