月ごとの値
 |  |
 |  |
 |  |  |  |  |  |  |
 |  |  |  |  |  |
 |  |  |  |  |
苫小牧（胆振地方) 1979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 | ||||||||||||||||||||||||||||
| 153.8 | 53 | 5 | 22 | 60 | 26 | 28 | 5 | 5 | 2 | 1 | 0 | 0 | 35 | 28 | 23 | 21 | 13 | 8 | 5 | 0 | 0 | 5.5 | 4 | 7 | 18 | 0 | 1 | ||
| 143.6 | 49 | 4 | 17 | 42 | 29 | 06 | 4 | 2 | 1 | 1 | 0 | 0 | 57 | 06 | 28 | 28 | 28 | 28 | 24 | 4 | 0 | 6.3 | 2 | 8 | 14 | 1 | 0 | ||
| 189.0 | 51 | 3 | 19 | 65 | 14 | 11 | 7 | 5 | 4 | 0 | 0 | 0 | 19 | 25* | 28 | 23 | 17 | 11 | 0 | 0 | 0 | 6.2 | 3 | 8 | 22 | 0 | 0 | ||
| 192.3 | 48 | 4 | 19 | 44 | 30 | 03 | 3 | 2 | 2 | 1 | 0 | 0 | 33 | 04 | 7 | 5 | 5 | 3 | 2 | 0 | 0 | 6.4 | 2 | 10 | 10 | 4 | 0 | ||
| 201.8 | 45 | 4 | 16 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6.6 | 4 | 13 | 0 | 10 | 3 | ||||
| 175.8 | 39 | 12 | 15 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.2 | 2 | 16 | 0 | 13 | 0 | ||||
| 166.9 | 36 | 5 | 11 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.7 | 2 | 20 | 0 | 12 | 2 | ||||
| 160.7 | 37 | 4 | 12 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.0 | 3 | 15 | 0 | 10 | 0 | ||||
| 206.7 | 55 | 5 | 22 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6.1 | 3 | 10 | 0 | 1 | 1 | ||||
| 170.9 | 50 | 3 | 20 | 0 | 0 | 31* | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6.1 | 2 | 9 | 1 | 0 | 5 | |||
| 139.4 | 48 | 4 | 18 | 9 | 7 | 18 | 1 | 1 | 0 | 0 | 0 | 0 | 11 | 18 | 5 | 4 | 3 | 2 | 0 | 0 | 0 | 5.6 | 3 | 10 | 7 | 0 | 1 | ||
| 139.4 | 50 | 1 | 19 | 23 | 9 | 27 | 3 | 3 | 0 | 0 | 0 | 0 | 11 | 27 | 15 | 12 | 6 | 1 | 0 | 0 | 0 | 5.8 | 4 | 8 | 14 | 0 | 1 | ||