旬ごとの値
 |  |
 |  |
 |  |  |  |  |
 |  |  |  |  |  |
 |  |  |  |  |
根室（根室地方) 1997年（旬ごとの値） 詳細（気圧・降水量）
| 月 | 旬 | 気圧(hPa) | 降水量(mm) | |||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 現地 | 海面 | 合計 | 最大 | 各階級の日数 | ||||||||||||||||
| 平均 | 平均 | 最低 | 日 | 1時間 | 10分間 | ≧0.0mm | ≧0.5mm | ≧1.0mm | ≧10.0mm | ≧30.0mm | ≧50.0mm | ≧70.0mm | ≧100.0mm | |||||||
| 値 | 日 | 値 | 日 | 値 | 日 | 値 | 日 | |||||||||||||
| 上旬 | 1006.3 | 1011.1 | -- | 17.0 | 17.0 | 02 | 5.0 | 02 | 1.0 | 02 | 9 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | ||
| 中旬 | 1007.2 | 1012.1 | -- | 11.0 | 5.0 | 19 | 2.0 | 19 | 1.0 | 19 | 8 | 4 | 4 | 0 | 0 | 0 | 0 | 0 | ||
| 下旬 | 994.0 | 998.9 | -- | 5.5 | 2.5 | 22 | 0.5 | 31* | 0.5 | 31* | 7 | 3 | 3 | 0 | 0 | 0 | 0 | 0 | ||
| 上旬 | 1007.6 | 1012.5 | -- | 7.0 | 7.0 | 04 | 1.0 | 04 | 0.5 | 04 | 8 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | ||
| 中旬 | 1001.7 | 1006.6 | -- | 9.5 | 7.0 | 16 | 1.5 | 17* | 0.5 | 17* | 7 | 4 | 3 | 0 | 0 | 0 | 0 | 0 | ||
| 下旬 | 1008.9 | 1013.8 | -- | 15.0 | 8.0 | 21 | 2.5 | 21 | 1.0 | 21 | 5 | 3 | 2 | 0 | 0 | 0 | 0 | 0 | ||
| 上旬 | 1004.9 | 1009.7 | -- | 19.0 | 6.5 | 07* | 2.5 | 07 | 1.0 | 07* | 6 | 6 | 5 | 0 | 0 | 0 | 0 | 0 | ||
| 中旬 | 1014.1 | 1019.1 | -- | 2.5 | 1.5 | 15 | 0.5 | 15* | 0.5 | 15* | 8 | 2 | 2 | 0 | 0 | 0 | 0 | 0 | ||
| 下旬 | 1007.3 | 1012.2 | -- | 20.5 | 17.0 | 30 | 5.0 | 30 | 1.0 | 30* | 8 | 4 | 2 | 1 | 0 | 0 | 0 | 0 | ||
| 上旬 | 1005.6 | 1010.3 | -- | 12.0 | 10.5 | 07 | 3.0 | 07 | 0.5 | 08* | 3 | 2 | 2 | 1 | 0 | 0 | 0 | 0 | ||
| 中旬 | 1008.9 | 1013.7 | -- | 0.5 | 0.5 | 11 | 0.5 | 12* | 0.5 | 11 | 7 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | ||
| 下旬 | 1004.1 | 1008.8 | -- | 31.5 | 19.5 | 22 | 3.0 | 22 | 1.0 | 22 | 8 | 4 | 3 | 1 | 0 | 0 | 0 | 0 | ||
| 上旬 | 1002.4 | 1007.1 | -- | 24.0 | 20.0 | 08 | 5.0 | 08 | 1.5 | 08 | 7 | 3 | 2 | 1 | 0 | 0 | 0 | 0 | ||
| 中旬 | 1006.5 | 1011.2 | -- | 72.5 | 25.0 | 16 | 6.0 | 16 | 1.5 | 17* | 8 | 8 | 8 | 3 | 0 | 0 | 0 | 0 | ||
| 下旬 | 1009.9 | 1014.7 | -- | 0.5 | 0.5 | 29 | 0.5 | 29 | 0.5 | 29 | 6 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | ||
| 上旬 | 1008.1 | 1012.9 | -- | 135.5 | 69.5 | 05 | 8.0 | 10 | 4.5 | 04 | 8 | 6 | 6 | 3 | 2 | 1 | 0 | 0 | ||
| 中旬 | 1009.2 | 1013.8 | -- | 4.5 | 4.5 | 11 | 2.5 | 11 | 0.5 | 11 | 6 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | ||
| 下旬 | 1000.8 | 1005.5 | -- | 2.5 | 2.0 | 26 | 1.0 | 26 | 0.5 | 26* | 8 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | ||
| 上旬 | 999.8 | 1004.4 | -- | 8.0 | 6.0 | 02 | 3.5 | 02 | 1.5 | 02 | 4 | 3 | 2 | 0 | 0 | 0 | 0 | 0 | ||
| 中旬 | 1002.8 | 1007.3 | -- | 0.0 | 0.0 | 19* | 0.0 | 19* | 0.0 | 19* | 7 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | ||
| 下旬 | 1008.0 | 1012.5 | -- | 27.0 | 26.5 | 29 | 11.0 | 29 | 6.0 | 29 | 11 | 2 | 1 | 1 | 0 | 0 | 0 | 0 | ||
| 上旬 | 1000.4 | 1004.9 | -- | 84.5 | 64.5 | 10 | 17.0 | 10 | 4.0 | 10 | 9 | 8 | 6 | 2 | 1 | 1 | 0 | 0 | ||
| 中旬 | 1014.8 | 1019.4 | -- | 41.0 | 24.5 | 12 | 6.0 | 12 | 2.0 | 13* | 8 | 4 | 3 | 2 | 0 | 0 | 0 | 0 | ||
| 下旬 | 1005.7 | 1010.3 | -- | 20.0 | 8.0 | 23 | 5.0 | 22 | 1.0 | 23* | 10 | 5 | 4 | 0 | 0 | 0 | 0 | 0 | ||
| 上旬 | 1005.2 | 1009.7 | -- | 29.0 | 24.5 | 03 | 8.0 | 03 | 2.5 | 03 | 7 | 6 | 5 | 1 | 0 | 0 | 0 | 0 | ||
| 中旬 | 1011.2 | 1015.8 | -- | 191.0 | 100.5 | 17 | 23.0 | 17 | 5.5 | 17 | 8 | 6 | 5 | 2 | 2 | 2 | 2 | 1 | ||
| 下旬 | 1011.9 | 1016.5 | -- | 104.0 | 35.5 | 27 | 10.5 | 22 | 3.0 | 30* | 7 | 6 | 5 | 4 | 1 | 0 | 0 | 0 | ||
| 上旬 | 1012.4 | 1017.0 | -- | 18.0 | 10.5 | 08 | 5.5 | 08 | 2.5 | 08* | 6 | 3 | 3 | 1 | 0 | 0 | 0 | 0 | ||
| 中旬 | 1004.4 | 1009.1 | -- | 11.5 | 6.0 | 11 | 4.5 | 20 | 2.0 | 20* | 7 | 3 | 3 | 0 | 0 | 0 | 0 | 0 | ||
| 下旬 | 1005.6 | 1010.2 | -- | 13.0 | 6.5 | 25 | 5.5 | 25 | 2.0 | 25 | 8 | 4 | 3 | 0 | 0 | 0 | 0 | 0 | ||
| 上旬 | 1013.1 | 1017.9 | -- | 11.0 | 7.5 | 06 | 5.5 | 06 | 5.0 | 06 | 6 | 2 | 2 | 0 | 0 | 0 | 0 | 0 | ||
| 中旬 | 1010.9 | 1015.6 | -- | 31.5 | 25.0 | 17 | 5.5 | 17 | 1.5 | 17 | 8 | 5 | 3 | 1 | 0 | 0 | 0 | 0 | ||
| 下旬 | 1012.7 | 1017.5 | -- | 187.0 | 69.5 | 22 | 12.0 | 22 | 4.0 | 22 | 8 | 7 | 7 | 6 | 2 | 1 | 0 | 0 | ||
| 上旬 | 1013.1 | 1017.9 | -- | 9.5 | 6.0 | 08 | 1.5 | 08 | 0.5 | 10* | 5 | 4 | 3 | 0 | 0 | 0 | 0 | 0 | ||
| 中旬 | 1006.4 | 1011.2 | -- | 7.5 | 4.5 | 12 | 1.5 | 12 | 1.0 | 12 | 5 | 3 | 2 | 0 | 0 | 0 | 0 | 0 | ||
| 下旬 | 1013.3 | 1018.2 | -- | 1.0 | 0.5 | 31* | 0.5 | 31* | 0.5 | 31* | 8 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | ||