Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
---|---|---|---|---|---|---|---|---|---|---|---|---|
1988 | -21.7( 41) | -28.2(100) | -39.2(100) | -37.4( 96) | -43.7(100) | -42.8( 40) | - | - | -40.9( 20) | - | - | - |
1989 | -24.5( 38) | -30.1(100) | -35.4( 83) | -33.2( 53) | -37.3( 16) | - | - | -30.6( 12) | -33.6( 40) | -37.6( 96) | -27.8(100) | -18.9(100) |
1990 | -21.3(100) | -29.3(100) | -34.5( 77) | -34.2( 13) | -35.4( 16) | -34.6( 16) | -32.6( 64) | - | -33.8( 10) | -36.0( 74) | -26.8(100) | -18.8(100) |
1991 | -21.3(100) | -24.6(100) | -35.0( 58) | -33.7( 53) | -34.0( 29) | -30.7( 36) | - | - | - | - | - | - |
1992 | -25.3( 29) | -27.5(100) | -36.0(100) | -43.7(100) | -41.8( 96) | -41.9(100) | -43.3( 96) | -38.2(100) | -46.9(100) | -39.3(100) | -27.6(100) | -21.5(100) |
1993 | -18.9(100) | -28.3(100) | -36.8(100) | -43.3(100) | -47.4(100) | -43.1(100) | -43.8(100) | -44.5(100) | -41.7(100) | -37.4(100) | -28.2(100) | -21.6(100) |
1994 | -21.0( 96) | -30.4(100) | -41.2(100) | -39.1(100) | -45.9(100) | -43.3(100) | -40.9(100) | -49.3(100) | -41.8(100) | -37.4(100) | -27.1(100) | -20.7(100) |
1995 | -22.0(100) | -28.3( 96) | -36.7(100) | -40.8(100) | -42.9(100) | -43.3(100) | -42.6(100) | -41.4(100) | -40.1(100) | -38.1(100) | -28.2(100) | -20.2(100) |
1996 | -21.5( 96) | -28.8(100) | -34.1(100) | -40.4( 10) | -44.9(100) | -44.6(100) | -44.2( 96) | -38.4(100) | -44.4(100) | -40.9(100) | -26.2(100) | -19.6(100) |
1997 | -21.1(100) | -29.3( 96) | -38.1( 96) | -43.8(100) | -45.8(100) | -41.7(100) | -47.8(100) | -47.1(100) | -39.5(100) | -33.8(100) | -22.5(100) | -21.1(100) |
1998 | -19.1( 12) | - | - | - | - | - | - | - | - | - | - | - |
1999 | - | - | - | - | - | - | - | - | - | - | - | - |
2000 | - | - | - | - | - | - | - | - | - | - | - | - |
2001 | - | - | - | - | - | - | - | - | - | - | - | - |
2002 | - | - | - | - | - | - | - | - | - | - | - | - |
2003 | - | - | - | - | - | - | - | - | - | - | - | - |
2004 | - | - | - | - | - | - | - | - | - | - | - | - |
2005 | - | - | - | - | - | - | - | - | - | - | - | - |
2006 | - | - | - | - | - | - | - | - | - | - | - | - |
2007 | - | - | - | - | - | - | - | - | - | - | - | - |
2008 | - | - | - | - | - | - | - | - | - | - | - | - |
2009 | - | - | - | - | - | - | - | - | - | - | - | - |
2010 | - | - | - | - | - | - | - | - | - | - | - | - |
2011 | - | - | - | - | - | - | - | - | - | - | - | - |
2012 | - | - | - | - | - | - | - | - | - | - | - | - |
2013 | - | - | - | - | - | - | - | - | - | - | - | - |
2014 | - | - | - | - | - | - | - | - | - | - | - | - |
2015 | - | - | - | - | - | - | - | - | - | - | - | - |
2016 | - | - | - | - | - | - | - | - | - | - | - | - |
2017 | - | - | - | - | - | - | - | - | - | - | - | - |
2018 | - | - | - | - | - | - | - | - | - | - | - | - |
2019 | - | - | - | - | - | - | - | - | - | - | - | - |
2020 | - | - | - | - | - | - | - | - | - | - | - | - |
2021 | - | - | - | - | - | - | - | - | - | - | - | - |
2022 | - | - | - | - | - | - | - | - | - | - | - | - |
2023 | - | - | - | - | - | - | - | - | - | - | - | - |
2024 | - | - | - | - | - | - | - | - | - | - | - | - |