観測開始からの毎月の値
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大島（東京都) 現地気圧の月平均値（hPa）
| 年 | 1月 | 2月 | 3月 | 4月 | 5月 | 6月 | 7月 | 8月 | 9月 | 10月 | 11月 | 12月 | 年の値 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 993.4 | 991.2 | 991.4 | 992.4 | 989.1 | 985.6 | 988.3 | 989.5 | 990.1 | 992.5 | 993.2 | 992.9 | 990.8 | |
| 991.3 | 992.5 | 989.8 | 992.6 | 990.2 | 986.0 | 986.7 | 988.1 | 990.0 | 993.1 | 995.2 | 994.5 | 990.8 | |
| 990.4 | 995.7 | 989.8 | 992.2 | 990.9 | 985.9 | 987.8 | 987.5 | 990.3 | 993.9 | 994.4 | 996.5 | 991.3 | |
| 991.5 | 992.7 | 993.7 | 990.9 | 989.5 | 986.8 | 987.0 | 988.5 | 989.5 | 993.4 | 994.7 | 995.1 | 991.1 | |
| 992.8 | 988.6 | 994.4 | 992.7 | 988.5 | 987.4 | 988.3 | 988.2 | 990.2 | 990.9 | 995.3 | 990.5 | 990.7 | |
| 988.5 | 988.0 | 993.3 | 990.7 | 990.4 | 986.6 | 986.4 | 986.9 | 992.1 | 995.1 | 995.5 | 993.6 | 990.6 | |
| 993.1 | 992.8 | 989.1 | 992.7 | 989.2 | 986.5 | 985.7 | 988.6 | 990.0 | 991.9 | 996.1 | 992.5 | 990.7 | |
| 993.5 | 992.1 | 990.9 | 992.3 | 989.3 | 987.3 | 986.9 | 989.1 | 988.2 | 995.2 | 996.0 | 993.4 | 991.2 | |
| 990.9 | 995.8 | 994.1 | 991.3 | 989.1 | 985.9 | 985.8 | 985.1 | 989.0 | 993.1 | 995.2 | 994.7 | 990.8 | |
| 991.0 | 992.4 | 991.0 | 991.4 | 988.3 | 988.4 | 987.1 | 989.0 | 992.0 | 993.9 | 994.0 | 991.1 | 990.8 | |
| 992.1 | 988.7 | 993.6 | 991.8 | 989.8 | 987.6 | 987.1 | 988.1 | 991.5 | 992.5 | 996.2 | 990.6 | 990.8 | |
| 986.9 | 991.2 | 989.2 | 992.9 | 988.8 | 987.0 | 987.1 | 988.8 | 991.0 | 993.8 | 995.6 | 992.4 | 990.4 | |
| 981.0 | 990.3 | 991.4 | 996.2 | 991.1 | 989.3 | 988.5 | 985.9 | 988.8 | 993.5 | 994.1 | 993.3 | 990.3 | |
| 993.8 | 995.0 | 991.9 | 996.4 | 991.4 | 985.4 | 986.4 | 986.3 | 990.0 | 995.9 | 992.9 | 994.8 | 991.7 | |
| 990.7 | 989.8 | 989.2 | 990.5 | 988.7 | 986.5 | 985.8 | 988.3 | 988.1 | 994.6 | 994.9 | 991.6 | 989.9 | |
| 991.2 | 991.6 | 987.9 | 991.6 | 990.2 | 988.0 | 987.7 | 988.3 | 988.9 | 993.1 | 994.0 | 992.8 | 990.4 | |
| 992.1 | 994.6 | 992.7 | 995.9 | 990.1 | 984.6 | 986.5 | 985.9 | 987.7 | 993.1 | 998.1 | 993.4 | 991.2 | |
| 988.7 | 992.5 | 991.6 | 995.2 | 988.9 | 989.2 | 985.4 | 987.1 | 992.9 | 992.7 | 996.5 | 992.1 | 991.1 | |
| 991.2 | 992.9 | 992.4 | 992.3 | 987.2 | 987.0 | 989.6 | 987.8 | 991.9 | 993.0 | 995.7 | 994.1 | 991.3 | |
| 991.6 | 992.7 | 991.7 | 994.8 | 990.6 | 989.7 | 987.1 | 990.2 | 991.4 | 995.7 | 993.8 | 993.0 | 991.9 | |
| 990.5 | 992.8 | 992.0 | 992.8 | 990.6 | 986.1 | 985.9 | 988.2 | 989.9 | 994.4 | 995.8 | 995.3 | 991.2 | |
| 995.3 | 989.8 | 991.5 | 994.6 | 988.5 | 986.9 | 987.3 | 989.1 | 990.2 | 994.1 | 993.6 | 993.9 | 991.2 | |
| 994.4 | 991.9 | 990.9 | 991.2 | 990.4 | 986.9 | 989.0 | 992.0 | 990.8 | 994.8 | 992.4 | 990.6 | 991.3 | |
| 990.2 | 991.6 | 993.2 | 990.3 | 991.6 | 985.3 | 987.5 | 985.9 | 990.2 | 992.6 | 995.4 | 996.2 | 990.8 | |
| 990.8 | 989.5 | 990.0 | 992.4 | 989.5 | 985.7 | 988.1 | 990.2 | 991.3 | 993.9 | 995.5 | 993.0 | 990.8 | |
| 990.4 | 993.2 | 992.1 | 993.9 | 989.6 | 987.9 | 989.8 | 988.1 | 989.7 | 991.7 | 995.0 | 992.2 | 991.1 | |
| 992.5 | 992.3 | 994.6 | 990.9 | 989.5 | 986.8 | 987.4 | 984.4 | 990.8 | 996.8 | 995.6 | 995.1 | 991.4 | |
| 988.3 | 990.2 | 989.7 | 989.5 | 990.3 | 988.6 | 989.1 | 989.4 | 990.7 | 994.7 | 994.9 | 996.3 | 991.0 | |
| 993.0 | 988.5 | 990.5 | 992.0 | 988.2 | 991.2 | 986.2 | 987.9 | 992.2 | 991.2 | 996.2 | 996.3 | 991.1 | |
| 990.1 | 992.3 | 992.1 | 993.7 | 990.1 | 988.7 | 986.0 | 987.8 | 990.9 | 993.2 | 994.5 | 987.6 | 990.6 | |
| 990.1 | 990.2 | 992.9 | 989.8 | 987.8 | 987.9 | 989.7 | 984.8 | 990.9 | 992.5 | 994.8 | 994.5 | 990.5 | |
| 991.4 | 992.9 | 992.5 | 992.6 | 989.6 | 985.1 | 987.8 | 988.8 | 990.2 | 993.8 | 995.7 | 994.1 | 991.2 | |
| 995.0 | 991.7 | 992.7 | 993.1 | 990.2 | 987.3 | 985.8 | 986.9 | 990.7 | 993.8 | 993.0 | 991.2 | 991.0 | |
| 990.7 | 990.7 | 991.7 | 995.0 | 990.3 | 988.9 | 986.2 | 989.7 | 990.8 | 992.3 | 997.0 | 992.7 | 991.3 | |
| 993.4 | 988.8 | 996.7 | 992.0 | 991.6 | 988.2 | 986.3 | 991.4 | 992.4 | 994.7 | 991.5 | 993.0 | 991.7 | |
| 991.0 | 990.5 | 990.4 | 993.2 | 987.7 | 987.4 | 988.2 | 987.6 | 989.2 | 993.8 | 994.6 ] | 994.4 | 990.3 ] | |
| 992.8 | 991.3 | 990.4 | 993.8 | 991.9 | 988.1 | 987.1 | 988.7 | 991.3 | 994.5 | 996.3 | 995.4 | 991.8 | |
| 992.5 | 993.7 | 991.6 | 992.6 | 988.8 | 986.0 | 986.9 | 987.1 | 989.2 | 991.5 | 990.7 | 994.5 | 990.4 | |
| 995.8 | 994.4 | 991.1 | 990.3 | 989.5 | 988.6 | 991.0 | 986.4 | 990.6 | 993.5 | 996.2 | 993.0 | 991.7 | |
| 994.9 | 998.8 | 992.3 | 990.3 | 991.1 | 988.3 | 987.6 | 987.6 | 992.1 | 994.0 | 995.2 | 993.0 | 992.1 | |
| 991.3 | 990.1 | 994.2 | 993.1 | 990.4 | 986.4 | 985.8 | 985.6 | 990.4 | 989.9 | 996.6 | 995.9 | 990.8 | |
| 1007.0 | 1003.8 | 1007.6 | 1001.3 | 1001.2 | 999.9 | 999.2 | 1003.3 | 1002.8 | 1006.3 | 1010.1 | 1007.7 | 1004.2 | |
| 1006.8 | 1003.1 | 1004.8 | 1002.6 | 1002.8 | 998.4 | 1000.0 | 1000.0 | 1003.5 | 1007.2 | 1010.5 | 1007.5 | 1003.9 | |
| 1005.2 | 999.6 | 1006.9 | 1005.0 | 1002.1 | 999.5 | 998.8 | 1003.9 | 999.9 | 1007.1 | 1012.3 | 1008.7 | 1004.1 | |
| 1004.4 | 1005.6 | 1005.3 | 1004.8 | 1002.7 | 998.9 | 1000.9 | 1002.5 | 1001.9 | 1007.1 | 1004.2 | 1005.7 | 1003.7 | |
| 1005.4 | 1006.6 | 1003.9 | 1004.4 | 1003.2 | 1000.1 | 1001.0 | 1001.4 | 1002.8 | 1007.7 | 1007.6 | 1007.3 | 1004.3 | |
| 1002.8 | 1005.4 | 1007.3 | 1004.8 | 1000.7 | 1000.6 | 1000.5 | 1001.9 | 1002.7 | 1005.4 | 1009.7 | 1009.3 | 1004.3 | |
| 1006.5 | 1007.8 | 1005.9 | 1007.3 | 1005.7 | 1001.3 | 999.1 | 1000.0 | 1003.6 | 1006.9 | 1006.6 | 1008.9 | 1005.0 | |
| 1004.0 | 1005.2 | 1005.5 | 1003.7 | 1002.7 | 1001.1 | 1000.4 | 1001.8 | 1004.4 | 1007.3 | 1007.2 | 1008.0 | 1004.3 | |
| 1008.2 | 1002.6 | 1003.1 | 1001.7 | 1002.3 | 1000.0 | 999.7 | 1002.7 | 1002.6 | 1007.3 | 1009.7 | 1007.4 | 1003.9 | |
| 1004.5 | 1007.3 | 1000.9 | 1005.4 | 1002.1 | 999.0 | 1000.6 | 1000.5 | 1003.1 | 1007.3 | 1006.7 | 1008.4 | 1003.8 | |
| 1003.3 | 1007.6 | 1004.2 | 1006.4 | 1003.0 | 999.5 | 999.9 | 1000.9 | 1004.4 | 1005.1 | 1005.3 | 1008.5 | 1004.0 | |
| 1004.7 | 1006.8 | 1005.9 | 1005.1 | 1006.2 | 999.5 | 1000.2 | 1001.7 | 1003.7 | 1006.1 | 1010.2 | 1004.5 | 1004.6 | |
| 1005.2 | 1004.9 | 1007.1 | 1002.3 | 1003.0 | 1002.4 | 1000.1 | 1001.9 | 1006.8 | 1007.2 | 1009.3 | 1008.3 | 1004.9 | |
| 1002.8 | 1005.3 | 1004.3 | 1005.1 | 1001.4 | 998.8 | 998.2 | 1000.9 | 1006.4 | 1006.9 | 1006.7 | 1002.9 | 1003.3 | |
| 1007.2 | 1009.2 | 1001.9 | 1001.0 | 1005.3 | 1000.5 | 999.5 | 1000.8 | 1003.1 | 1006.1 | 1006.4 | 1009.6 | 1004.2 | |
| 1009.3 | 1005.9 | 1004.9 | 1004.7 | 998.9 | 1001.1 | 996.6 | 1003.3 | 1003.7 | 1007.4 | 1007.6 | 1005.7 | 1004.1 | |
| 1007.4 | 1005.2 | 1005.1 | 1003.8 | 1002.1 | 1001.1 | 1000.6 | 999.6 | 1002.8 | 1007.7 | 1007.0 | 1007.6 | 1004.2 | |
| 1007.0 | 1005.0 | 1005.9 | 1003.6 | 1002.4 | 998.6 | 999.5 | 1000.4 | 1003.5 ) | 1004.7 | 1009.0 | 1004.7 | 1003.7 | |
| 1005.1 | 1006.7 | 1007.2 ) | 1008.4 | 1003.1 | 1003.1 | 1002.5 | 1006.1 | 1003.7 | 1007.0 | 1007.3 | 1000.6 | 1005.1 | |
| 1004.0 | 1007.9 | 1005.5 | 1004.8 | 1003.0 | 1001.2 ) | 1000.6 | 1002.3 | 1003.1 | 1008.5 | 1010.2 | 1007.9 | 1004.9 | |
| 1006.9 | 1006.1 | 1005.3 | 1006.1 | 1001.3 | 1000.8 | 1000.8 | 1004.4 | 1005.1 | 1005.8 | 1004.6 | 1006.1 | 1004.4 | |
| 1007.7 | 1007.7 | 1004.5 | 1001.7 | 1003.8 | 1000.8 | 1000.4 | 999.1 | 1005.3 | 1007.6 | 1006.8 | 1004.4 | 1004.2 | |
| 1008.5 | 1008.5 | 1005.7 | 1007.1 | 1002.5 | 998.4 | 1000.5 | 1002.3 | 1003.6 | 1008.2 | 1008.4 | 1005.3 | 1004.9 | |
| 1005.5 | 1005.6 | 1007.6 | 1007.8 | 1001.5 | 999.8 | 1001.7 | 1000.8 | 1003.4 | 1006.4 | 1011.6 | 1009.8 | 1005.1 | |
| 1006.9 | 1009.5 | 1009.2 | 1004.7 | 1004.9 | 1000.9 | 1001.6 | 996.3 | 1004.7 | 1008.2 | 1009.2 | 1008.8 | 1005.4 | |
| 1006.0 | 1004.9 | 1005.0 | 1004.3 | 1004.1 | 999.9 | 1001.2 | 999.0 | 1002.6 | 1008.4 | 1008.4 | 1007.2 | 1004.3 | |
| 1005.3 | 1007.5 | 1007.9 | 1006.0 | 1003.2 | 1000.9 | 1002.4 | 1000.8 | 1004.6 | 1006.7 | 1010.1 | 1009.1 | 1005.4 | |
| 1006.9 | 1008.2 | 1003.8 | 1004.1 | 1004.6 | 998.9 | 1001.0 | 1000.9 | 1006.0 | 1006.3 | 1008.6 | 1009.9 | 1004.9 | |
| 1006.9 | 1009.3 | 1004.6 | 1003.6 | 1002.8 | 999.2 | 1001.2 | 1002.9 | 1003.4 | 1007.4 | 1010.9 | 1007.3 | 1005.0 | |
| 1007.6 | 1006.1 | 1008.2 | 1008.7 | 1001.4 | 1001.5 | 1002.1 | 1001.9 | 1005.6 | 1009.0 | 1007.1 | 1006.7 | 1005.5 | |
| 1006.0 | 1007.1 | 1005.6 | 1007.3 | 1003.9 | 1001.8 | 999.7 | 1000.7 | 1004.6 | 1009.6 | 1008.9 | 1005.7 | 1005.1 | |
| 1006.8 | 1010.0 | 1009.9 | 1005.9 | 1005.3 | 1000.5 | 1002.5 | 1001.3 | 1003.9 | 1005.3 | 1008.1 | 1009.4 | 1005.7 | |
| 1007.2 | 1010.3 | 1004.1 | 1005.2 | 1005.0 | 1001.1 | 1000.3 | 999.3 | 1004.7 | 1009.1 | 1008.4 | 1004.6 | 1004.9 | |
| 1006.7 | 1004.8 | 1005.7 | 1002.5 | 1005.4 ] | 1004.9 ] |
- 値欄の記号の説明
- 赤線は、観測場所を移転した場合、観測装置を変更した場合または観測の時間間隔を変更した場合に、その前後のデータが均質でないことを示します。
赤実線の前後では観測データや観測史上1位などの極値を比較できませんが、赤点線の前後では極値を比較できます。 - 最新の月のデータは稀に更新されない場合があります。年の数字をクリックして表示される「月ごとの値」もご確認ください。