観測史上1～10位の値（6月としての値）
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根室 1000hPa 21時 （6月としての値）
| 要素名／順位 | 1位 | 2位 | 3位 | 4位 | 5位 | 6位 | 7位 | 8位 | 9位 | 10位 | 統計期間 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 月最高ジオポテンシャル高度高い方から (m) | 221 (1996/6/7) | 212 (1973/6/11) | 207 (1972/6/2) | 205 (1981/6/7) | 201 (1979/6/3) | 199 (2008/6/2) | 199 (1974/6/4) | 198 (1995/6/13) | 197 (1998/6/9) | 192 (1965/6/14) | 1958/6 2009/6 |
| 月最低ジオポテンシャル高度低い方から (m) | -110 (1996/6/19) | -88 (1961/6/11) | -77 (1971/6/11) | -66 (1967/6/29) | -62 (1978/6/5) | -53 (2001/6/1) | -53 (1988/6/4) | -50 (2002/6/9) | -49 (2003/6/1) | -47 (2004/6/22) | 1958/6 2009/6 |
| 月最高気温高い方から (℃) | 20.7 (1991/6/26) | 19.1 (1961/6/3) | 18.7 (1958/6/22) | 18.2 (2009/6/27) | 18.2 (2004/6/3) | 18.0 (1980/6/5) | 17.5 (1999/6/22) | 17.0 (1990/6/10) | 17.0 (1988/6/23) | 16.9 (2007/6/14) | 1958/6 2009/6 |
| 月最低気温低い方から (℃) | 1.6 (1966/6/11) | 1.7 (1973/6/11) | 2.3 (1960/6/1) | 2.4 (1983/6/11) | 2.5 (1993/6/2) | 2.7 (1974/6/4) | 3.0 (2008/6/1) | 3.0 (1963/6/4) | 3.1 (2001/6/8) | 3.2 (1997/6/8) | 1958/6 2009/6 |
| 月最小相対湿度低い方から (%) | 32 (2004/6/3) | 45 (2003/6/6) | 45 (1994/6/20) | 46 (2005/6/16) | 47 (1987/6/1) | 47 (1986/6/12) | 50 (1992/6/25) | 51 (1980/6/5) | 53 (1990/6/18) | 53 (1961/6/3) | 1958/6 2009/6 |
| 月最大風速・風向大きい方から (m/s) | 17 168° (2006/6/16) | 17 186° (1972/6/1) | 17 343° (1970/6/15) | 15 9° (1989/6/8) | 14 173° (1993/6/13) | 14 154° (1990/6/9) | 14 40° (1987/6/26) | 14 138° (1964/6/3) | 13 198° (2005/6/7) | 13 195° (1984/6/9) | 1958/6 2009/6 |
| 月平均ジオポテンシャル高度高い方から (m) | 119 (1998/6) | 119 (1989/6) | 118 (1983/6) | 113 (1981/6) | 113 (1968/6) | 113 (1966/6) | 113 (1963/6) | 112 (1985/6) | 110 (1984/6) | 109 (2006/6) | 1958/6 2009/6 |
| 月平均ジオポテンシャル高度低い方から (m) | 63 (1967/6) | 67 (2001/6) | 67 (1969/6) | 73 (1982/6) | 73 (1962/6) | 75 (1991/6) | 77 (1978/6) | 77 (1971/6) | 79 (2005/6) | 80 (1965/6) | 1958/6 2009/6 |
| 月平均気温高いほうから (℃) | 12.6 (1991/6) | 11.9 (2007/6) | 11.9 (1961/6) | 11.8 (1984/6) | 11.7 (1979/6) | 11.3 (1978/6) | 11.1 (2004/6) | 11.0 (1990/6) | 11.0 (1962/6) | 10.6 (1980/6) | 1958/6 2009/6 |
| 月平均気温低い方から (℃) | 6.1 (1983/6) | 7.0 (1966/6) | 7.4 (1993/6) | 7.9 (1997/6) | 8.0 (1981/6) | 8.1 (1989/6) | 8.2 (1986/6) | 8.4 (1995/6) | 8.4 (1964/6) | 8.5 (2008/6) | 1958/6 2009/6 |
| 月平均相対湿度低い方から (%) | 86 (1985/6) | 87 (1994/6) | 87 (1987/6) | 87 (1982/6) | 87 (1979/6) | 88 (2004/6) | 89 (1999/6) | 89 (1993/6) | 89 (1992/6) | 89 (1986/6) | 1958/6 2009/6 |
| 月平均風速大きい方から (m/s) | 6.8 (1984/6) | 6.3 (1994/6) | 6.2 (1960/6) | 6.0 (2006/6) | 6.0 (1961/6) | 5.8 (1989/6) | 5.7 (1998/6) | 5.6 (2002/6) | 5.5 (1979/6) | 5.5 (1975/6) | 1958/6 2009/6 |
| 月平均風速小さい方から (m/s) | 4.0 (1982/6) | 4.0 (1967/6) | 4.1 (2004/6) | 4.1 (1988/6) | 4.2 (1978/6) | 4.3 (1991/6) | 4.4 (2003/6) | 4.4 (1990/6) | 4.4 (1971/6) | 4.5 (1992/6) | 1958/6 2009/6 |