旬ごとの値
 |  |
 |  |
 |  |  |  |  |
 |  |  |  |  |  |
 |  |  |  |  |
網走（網走・北見・紋別地方) 1999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 | 997.8 | 1003.3 | -- | 13.0 | 7.0 | 01 | 2.0 | 01 | 0.5 | 08* | 10 | 5 | 4 | 0 | 0 | 0 | 0 | 0 | ||
| 中旬 | 1005.8 | 1011.2 | -- | 15.0 | 4.5 | 20 | 2.5 | 16 | 1.0 | 16 | 8 | 7 | 6 | 0 | 0 | 0 | 0 | 0 | ||
| 下旬 | 1004.5 | 1009.9 | -- | 19.5 | 11.5 | 28 | 4.0 | 28 | 1.0 | 28 | 11 | 6 | 4 | 1 | 0 | 0 | 0 | 0 | ||
| 上旬 | 1001.7 | 1007.2 | -- | 9.5 | 5.0 | 06 | 2.0 | 06 | 0.5 | 10* | 10 | 5 | 4 | 0 | 0 | 0 | 0 | 0 | ||
| 中旬 | 1007.3 | 1012.9 | -- | 3.5 | 2.0 | 13 | 0.5 | 18* | 0.5 | 18* | 9 | 2 | 2 | 0 | 0 | 0 | 0 | 0 | ||
| 下旬 | 1004.2 | 1009.7 | -- | 12.0 | 6.0 | 27 | 5.0 | 27 | 2.0 | 27 | 5 | 4 | 3 | 0 | 0 | 0 | 0 | 0 | ||
| 上旬 | 1004.1 | 1009.6 | 980.0 | 06 | 16.0 | 9.0 | 06 | 2.5 | 06 | 1.0 | 06 | 9 | 4 | 4 | 0 | 0 | 0 | 0 | 0 | |
| 中旬 | 1012.7 | 1018.2 | -- | 4.0 | 3.5 | 19 | 1.5 | 19 | 0.5 | 20* | 9 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | ||
| 下旬 | 1009.9 | 1015.4 | -- | 22.5 | 18.0 | 22 | 3.5 | 22 | 1.5 | 22 | 7 | 5 | 3 | 1 | 0 | 0 | 0 | 0 | ||
| 上旬 | 1009.5 | 1014.9 | -- | 6.0 | 3.0 | 02 | 1.0 | 05 | 0.5 | 05* | 9 | 4 | 2 | 0 | 0 | 0 | 0 | 0 | ||
| 中旬 | 1006.9 | 1012.2 | -- | 20.5 | 10.0 | 13 | 2.5 | 13 | 1.0 | 13 | 6 | 6 | 5 | 1 | 0 | 0 | 0 | 0 | ||
| 下旬 | 1010.5 | 1015.8 | -- | 6.5 | 6.5 | 28 | 1.5 | 28 | 0.5 | 28 | 5 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | ||
| 上旬 | 1004.6 | 1009.8 | -- | 45.5 | 30.0 | 05 | 6.5 | 05 | 2.0 | 05 | 8 | 5 | 5 | 2 | 1 | 0 | 0 | 0 | ||
| 中旬 | 1005.3 | 1010.5 | -- | 7.5 | 5.5 | 11 | 2.5 | 11 | 1.0 | 11 | 9 | 2 | 2 | 0 | 0 | 0 | 0 | 0 | ||
| 下旬 | 1001.8 | 1006.9 | -- | 38.0 | 16.5 | 27 | 7.0 | 28 | 1.5 | 28 | 8 | 5 | 3 | 2 | 0 | 0 | 0 | 0 | ||
| 上旬 | 1005.0 | 1010.1 | -- | 6.0 | 4.0 | 08 | 1.0 | 08* | 0.5 | 08* | 5 | 3 | 3 | 0 | 0 | 0 | 0 | 0 | ||
| 中旬 | 1000.3 | 1005.3 | -- | 2.5 | 2.0 | 18 | 1.0 | 18 | 0.5 | 18* | 6 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | ||
| 下旬 | 1005.5 | 1010.6 | -- | 2.0 | 2.0 | 24 | 1.0 | 24 | 0.5 | 24 | 5 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | ||
| 上旬 | 1008.6 | 1013.7 | -- | 8.5 | 6.5 | 01 | 2.0 | 01 | 0.5 | 09* | 9 | 4 | 2 | 0 | 0 | 0 | 0 | 0 | ||
| 中旬 | 1005.1 | 1010.1 | -- | 10.0 | 7.0 | 14 | 2.5 | 14 | 1.5 | 18 | 8 | 3 | 3 | 0 | 0 | 0 | 0 | 0 | ||
| 下旬 | 1002.0 | 1006.9 | -- | 70.0 | 24.0 | 29 | 12.5 | 29 | 4.5 | 29 | 9 | 7 | 7 | 4 | 0 | 0 | 0 | 0 | ||
| 上旬 | 1005.8 | 1010.7 | -- | 10.5 | 6.5 | 02 | 2.5 | 02 | 1.5 | 02 | 4 | 2 | 2 | 0 | 0 | 0 | 0 | 0 | ||
| 中旬 | 1006.6 | 1011.5 | -- | 0.0 | 0.0 | 19* | 0.0 | 19* | 0.0 | 19* | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | ||
| 下旬 | 1007.5 | 1012.5 | -- | 3.0 | 2.0 | 31 | 1.5 | 31 | 0.5 | 31* | 8 | 2 | 2 | 0 | 0 | 0 | 0 | 0 | ||
| 上旬 | 1006.3 | 1011.3 | -- | 4.5 | 4.0 | 01 | 1.5 | 01 | 0.5 | 02* | 4 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | ||
| 中旬 | 1006.8 | 1011.9 | -- | 10.0 | 7.0 | 20 | 2.0 | 20* | 0.5 | 20* | 4 | 2 | 2 | 0 | 0 | 0 | 0 | 0 | ||
| 下旬 | 1010.6 | 1015.7 | -- | 51.5 | 33.5 | 24 | 4.5 | 30* | 3.0 | 25 | 7 | 5 | 4 | 2 | 1 | 0 | 0 | 0 | ||
| 上旬 | 1010.4 | 1015.5 | -- | 43.0 | 29.5 | 02 | 7.5 | 02 | 1.5 | 08* | 6 | 3 | 3 | 2 | 0 | 0 | 0 | 0 | ||
| 中旬 | 1010.9 | 1016.1 | -- | 4.0 | 2.5 | 11 | 1.5 | 16* | 1.5 | 16 | 6 | 2 | 2 | 0 | 0 | 0 | 0 | 0 | ||
| 下旬 | 1010.6 | 1015.8 | -- | 62.0 | 29.5 | 28 | 5.5 | 28* | 3.0 | 24 | 9 | 7 | 7 | 2 | 0 | 0 | 0 | 0 | ||
| 上旬 | 1010.8 | 1016.1 | -- | 17.0 | 13.5 | 01 | 3.0 | 01 | 1.0 | 05* | 7 | 4 | 2 | 1 | 0 | 0 | 0 | 0 | ||
| 中旬 | 1009.0 | 1014.3 | -- | 26.5 | 9.0 | 17 | 3.0 ) | 12 | 1.0 ) | 12 | 6 | 5 | 5 | 0 | 0 | 0 | 0 | 0 | ||
| 下旬 | 1007.1 | 1012.4 | -- | 0.5 | 0.5 | 26 | 0.5 | 26 | 0.5 | 26 | 4 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | ||
| 上旬 | 1008.9 | 1014.4 | -- | 70.5 | 51.0 | 07 | 7.0 | 07 | 1.5 | 07 | 8 | 8 | 7 | 1 | 1 | 1 | 0 | 0 | ||
| 中旬 | 1004.4 | 1009.8 | -- | 10.0 | 9.5 | 11 | 4.0 | 11 | 2.0 | 11 | 4 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | ||
| 下旬 | 1009.6 | 1015.0 | -- | 16.0 | 14.5 | 26 | 3.0 | 26 | 1.0 | 26 | 11 | 2 | 2 | 1 | 0 | 0 | 0 | 0 | ||