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قراءات شهرية / سنوية لمعامل تذبذب القطب الشمالي Arctic Oscillation (AO) منذ عام 1950 وحتى يومنا هذا – المصدر من وكالة نوا |
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| السنة | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Avg |
| 1950 | -0.06 | 0.63 | -0.01 | 0.56 | 0.07 | 0.54 | -0.80 | -0.85 | 0.36 | -0.38 | -0.52 | -1.93 | -0.20 |
| 1951 | -0.09 | -0.40 | -1.93 | -0.78 | -0.86 | -0.92 | 0.09 | -0.38 | -0.82 | -0.21 | -0.07 | 1.99 | -0.36 |
| 1952 | 0.37 | -1.75 | -1.86 | 0.54 | -0.77 | -0.44 | 0.38 | -0.03 | -0.38 | -0.44 | -1.89 | -1.83 | -0.67 |
| 1953 | -1.04 | -0.25 | 1.07 | -1.26 | -0.56 | 0.02 | 0.33 | 0.09 | 0.66 | -0.19 | 0.35 | 0.58 | -0.02 |
| 1954 | -0.15 | -0.18 | 0.48 | 0.51 | -1.66 | -0.27 | 0.34 | -0.12 | 0.30 | 0.51 | -0.33 | 0.55 | 0.00 |
| 1955 | -1.16 | -1.54 | -1.57 | 0.19 | 0.24 | -0.27 | 0.33 | 0.76 | 0.36 | 0.10 | -1.34 | -0.44 | -0.36 |
| 1956 | -1.20 | -2.03 | 0.47 | -0.87 | 1.39 | 0.28 | -0.22 | -0.65 | -0.20 | 1.14 | -0.07 | 0.00 | -0.16 |
| 1957 | 2.06 | -1.51 | -2.01 | 0.24 | -0.97 | -0.76 | -0.65 | 0.10 | -0.96 | 0.90 | -1.38 | 0.83 | -0.34 |
| 1958 | -1.44 | -2.23 | -2.52 | -0.36 | -0.34 | -1.15 | -0.68 | -0.76 | -0.01 | 0.77 | -0.01 | -1.69 | -0.87 |
| 1959 | -2.01 | 2.54 | 1.43 | 0.12 | -0.34 | -0.03 | 0.11 | -0.75 | -0.28 | -0.25 | -1.41 | -0.04 | -0.08 |
| 1960 | -2.48 | -2.21 | -1.63 | -0.30 | -0.86 | 0.06 | -0.62 | -1.01 | -0.38 | -1.19 | -0.55 | -0.34 | -0.96 |
| 1961 | -1.51 | 0.62 | 0.34 | -0.24 | 0.16 | 0.84 | -0.11 | 0.01 | 0.82 | 0.20 | -0.01 | -1.67 | -0.05 |
| 1962 | 1.65 | -0.36 | -2.85 | 1.17 | 0.07 | 0.29 | -0.93 | 0.15 | -0.06 | -0.02 | -1.11 | -0.71 | -0.23 |
| 1963 | -3.31 | -1.72 | 0.72 | -0.35 | 0.77 | -0.59 | -0.30 | -0.63 | 0.08 | 1.07 | -0.42 | -1.18 | -0.49 |
| 1964 | 0.39 | -0.58 | -0.56 | 0.66 | 1.17 | 0.14 | 0.73 | -1.21 | -0.23 | 0.34 | -0.34 | -0.25 | 0.02 |
| 1965 | -1.05 | -2.08 | -0.91 | 0.57 | -0.15 | 0.04 | -0.51 | -0.26 | -0.70 | 0.39 | -1.34 | 0.16 | -0.49 |
| 1966 | -3.23 | -1.44 | -0.91 | -1.84 | 1.12 | 0.41 | 0.01 | -0.95 | 0.01 | -1.08 | 0.11 | -1.40 | -0.76 |
| 1967 | -0.58 | 1.18 | 1.97 | 1.70 | 0.13 | 0.65 | 0.26 | -0.29 | 0.13 | 1.30 | 0.33 | -0.35 | 0.54 |
| 1968 | -0.41 | -2.15 | 1.74 | 0.33 | -0.24 | 0.42 | -0.84 | -0.67 | -1.01 | -1.01 | -2.18 | -0.78 | -0.57 |
| 1969 | -2.97 | -3.11 | -1.58 | 0.44 | -0.72 | -0.35 | 0.41 | -0.78 | -0.08 | 0.10 | 0.33 | -1.86 | -0.85 |
| 1970 | -2.41 | -1.33 | -2.08 | 0.30 | 0.53 | 0.88 | 0.14 | -0.26 | 0.03 | 0.10 | 0.38 | -0.40 | -0.34 |
| 1971 | -0.16 | -0.92 | -1.09 | -0.58 | 0.68 | -0.67 | -0.58 | 0.82 | 0.15 | 1.19 | 0.42 | 0.82 | 0.01 |
| 1972 | 0.17 | -0.20 | -0.14 | 1.01 | 0.14 | -0.05 | -0.55 | -0.08 | -0.92 | 0.39 | -0.38 | 1.24 | 0.05 |
| 1973 | 1.23 | 0.79 | 0.54 | -1.13 | 0.07 | 0.53 | 0.27 | 0.31 | 0.11 | 0.34 | 0.00 | -0.18 | 0.24 |
| 1974 | 0.23 | -0.49 | -0.75 | 0.31 | -0.51 | -0.05 | 0.39 | -0.53 | -0.14 | -1.02 | -0.44 | 0.56 | -0.20 |
| 1975 | 1.60 | 0.19 | 0.15 | 0.41 | -0.61 | -0.32 | 0.35 | 0.13 | 1.28 | 0.14 | 0.62 | 1.29 | 0.43 |
| 1976 | 0.03 | 1.66 | 0.59 | 0.44 | 0.06 | 0.33 | -0.33 | 0.56 | -0.74 | -0.80 | -0.09 | -2.07 | -0.03 |
| 1977 | -3.77 | -2.01 | 0.34 | 1.33 | 0.10 | -0.23 | -0.49 | -1.41 | 0.59 | -0.01 | 0.61 | -0.24 | -0.43 |
| 1978 | -0.35 | -3.01 | 0.50 | -0.97 | 0.06 | 0.64 | -0.60 | -0.35 | -0.10 | 0.90 | 2.47 | -0.98 | -0.15 |
| 1979 | -2.23 | -0.70 | -0.81 | -1.16 | -0.25 | 0.93 | 0.04 | -0.68 | -0.05 | -1.24 | 0.48 | 1.30 | -0.37 |
| 1980 | -2.07 | -0.93 | -1.43 | -0.42 | -1.16 | 0.72 | -0.62 | -0.19 | 0.31 | -0.52 | -1.36 | -0.06 | -0.64 |
| 1981 | -0.12 | -0.33 | -1.65 | 0.43 | 0.18 | -0.44 | 0.56 | -0.24 | -1.04 | -1.17 | -0.19 | -1.22 | -0.43 |
| 1982 | -0.88 | 0.97 | 1.07 | 1.45 | -0.21 | -1.18 | 0.01 | 0.36 | 0.56 | -0.21 | 0.66 | 0.97 | 0.30 |
| 1983 | 1.36 | -1.81 | -0.57 | -0.74 | -0.44 | 0.31 | 0.13 | 1.10 | 0.17 | 1.37 | -0.69 | 0.19 | 0.03 |
| 1984 | 0.91 | -0.30 | -2.39 | -0.28 | 0.48 | 0.01 | 0.02 | 0.47 | -0.41 | -0.27 | -0.97 | 0.45 | -0.19 |
| 1985 | -2.81 | -1.44 | 0.55 | 0.65 | -0.43 | -0.35 | -0.39 | 0.00 | 0.11 | 1.04 | -1.22 | -1.95 | -0.52 |
| 1986 | -0.57 | -2.90 | 1.93 | 0.10 | 0.37 | 0.54 | -0.01 | -0.83 | -0.02 | 1.43 | 0.93 | 0.06 | 0.08 |
| 1987 | -1.15 | -1.47 | -1.75 | 0.39 | 0.33 | -0.71 | -0.47 | -0.84 | 0.29 | -0.08 | -0.54 | -0.53 | -0.54 |
| 1988 | 0.27 | -1.07 | -0.20 | -0.56 | -0.85 | 0.06 | -0.14 | 0.26 | 1.04 | 0.03 | -0.04 | 1.68 | 0.04 |
| 1989 | 3.11 | 3.28 | 1.53 | -0.25 | 0.89 | 0.35 | 0.87 | 0.55 | 0.70 | 0.99 | 0.03 | -0.64 | 0.95 |
| 1990 | 1.00 | 3.40 | 2.99 | 1.88 | 0.94 | 0.30 | -0.30 | -0.18 | -0.21 | 0.66 | 0.52 | 1.28 | 1.02 |
| 1991 | 0.72 | -0.88 | -0.53 | 0.53 | 0.49 | -0.12 | -0.19 | 0.80 | -0.11 | -0.25 | 0.29 | 1.61 | 0.20 |
| 1992 | 0.55 | 1.12 | 0.98 | -0.52 | 1.34 | -0.30 | 0.19 | 0.54 | -0.64 | -0.37 | 0.72 | 1.63 | 0.44 |
| 1993 | 3.50 | 0.18 | 0.76 | -0.44 | -1.61 | -0.52 | -0.51 | -0.39 | -0.36 | -0.57 | 1.00 | -0.10 | 0.08 |
| 1994 | -0.29 | -0.86 | 1.88 | 0.23 | -0.12 | 1.61 | 0.35 | 0.83 | -0.08 | 0.17 | 1.78 | 0.89 | 0.53 |
| 1995 | -0.15 | 1.43 | 0.39 | -0.96 | -0.89 | -0.11 | -0.22 | 0.54 | -0.55 | 0.08 | -0.72 | -2.13 | -0.27 |
| 1996 | -1.20 | 0.16 | -1.48 | -1.53 | -0.23 | 0.50 | 0.72 | 0.13 | -1.14 | 0.18 | 0.14 | -1.72 | -0.46 |
| 1997 | -0.46 | 1.89 | 1.09 | 0.32 | -0.96 | -0.82 | -0.43 | 0.12 | 0.20 | -0.70 | -0.66 | -0.07 | -0.04 |
| 1998 | -2.08 | -0.18 | -0.25 | -0.04 | 0.43 | -0.71 | -0.21 | 0.65 | -1.05 | 0.29 | -1.45 | 1.35 | -0.27 |
| 1999 | 0.11 | 0.48 | -1.49 | 0.28 | 0.23 | 0.71 | 0.00 | -0.67 | 0.06 | -0.01 | 0.61 | 1.04 | 0.11 |
| 2000 | 1.27 | 1.08 | -0.45 | -0.28 | 0.97 | 0.59 | -0.65 | 0.14 | 0.40 | 0.32 | -1.58 | -2.35 | -0.05 |
| 2001 | -0.96 | -0.62 | -1.69 | 0.91 | 0.45 | -0.02 | -0.03 | 0.52 | -0.71 | 0.71 | 0.82 | -1.32 | -0.16 |
| 2002 | 1.38 | 1.30 | 0.90 | 0.75 | 0.40 | 0.57 | 0.33 | -0.23 | -0.04 | -1.49 | -1.43 | -1.59 | 0.07 |
| 2003 | -0.47 | 0.13 | 0.93 | -0.18 | 1.02 | -0.10 | 0.08 | -0.28 | 0.47 | -0.67 | 0.64 | 0.27 | 0.15 |
| 2004 | -1.69 | -1.53 | 0.32 | -0.41 | -0.09 | -0.24 | -0.20 | -0.72 | 0.86 | -0.52 | 0.68 | 1.23 | -0.19 |
| 2005 | 0.36 | -1.27 | -1.35 | -0.05 | -0.76 | -0.38 | -0.03 | 0.03 | 0.80 | 0.03 | 0.23 | -2.10 | -0.38 |
| 2006 | -0.17 | -0.16 | -1.60 | 0.14 | 0.16 | 1.07 | 0.10 | -0.27 | 0.61 | -1.03 | 0.52 | 2.28 | 0.14 |
| 2007 | 2.03 | -1.31 | 1.18 | 0.54 | 0.89 | -0.56 | -0.40 | -0.03 | 0.18 | 0.38 | -0.52 | 0.82 | 0.27 |
| 2008 | 0.82 | 0.94 | 0.59 | -0.46 | -1.21 | -0.09 | -0.48 | -0.08 | -0.33 | 1.68 | 0.09 | 0.65 | 0.18 |
| 2009 | 0.80 | -0.67 | 0.12 | 0.97 | 1.19 | -1.35 | -1.36 | -0.05 | 0.88 | -1.54 | 0.46 | -3.41 | -0.33 |
| 2010 | -2.59 | -4.27 | -0.43 | -0.28 | -0.92 | -0.01 | 0.44 | -0.12 | -0.87 | -0.47 | -0.38 | -2.63 | -1.04 |
| 2011 | -1.68 | 1.58 | 1.42 | 2.28 | -0.04 | -0.86 | -0.47 | -1.06 | 0.67 | 0.80 | 1.46 | 2.22 | 0.53 |
| 2012 | -0.22 | -0.04 | 1.04 | -0.04 | 0.17 | -0.67 | 0.17 | 0.01 | 0.77 | -1.51 | -0.11 | -1.75 | -0.18 |
| 2013 | -0.61 | -1.01 | -3.19 | 0.32 | 0.49 | 0.55 | -0.01 | 0.15 | -0.46 | 0.26 | 2.03 | 1.48 | 0.00 |
| 2014 | -0.97 | 0.04 | 1.21 | 0.97 | 0.46 | -0.51 | -0.49 | -0.37 | 0.10 | -1.13 | -0.53 | 0.41 | -0.07 |
| 2015 | 1.09 | 1.04 | 1.84 | 1.22 | 0.76 | 0.43 | -1.11 | -0.69 | -0.17 | -0.25 | 1.95 | 1.44 | 0.63 |
| 2016 | -1.45 | -0.02 | 0.28 | -1.05 | -0.04 | 0.31 | 0.09 | 0.47 | 0.78 | -1.92 | -0.61 | 1.79 | -0.11 |
| 2017 | 0.94 | 0.34 | 1.37 | -0.09 | -0.73 | 0.40 | 0.63 | 0.15 | -0.49 | 0.69 | -0.08 | -0.06 | 0.26 |
| 2018 | -0.28 | 0.11 | -0.94 | 0.54 | 1.18 | 0.38 | 0.61 | 0.84 | 0.59 | 0.41 | -1.12 | 0.11 | 0.20 |
| 2019 | -0.71 | 1.15 | 2.12 | -0.26 | -1.23 | -0.60 | -0.89 | -0.72 | 0.31 | 0.08 | -1.19 | 0.41 | -0.13 |
| 2020 | 2.42 | 3.42 | 2.64 | 0.93 | -0.03 | -0.12 | -0.41 | -0.38 | 0.63 | -0.07 | 2.09 | -1.74 | 0.78 |
| 2021 | -2.48 | -1.19 | 2.11 | -0.20 | -0.16 | 0.84 | 0.63 | -0.22 | -0.25 | -0.14 | 0.10 | 0.20 | -0.06 |
| 2022 | 0.85 | 1.56 | 0.25 | -0.61 | 1.22 | -0.08 | 0.02 | -0.18 | -0.66 | 1.35 | 0.34 | -2.72 | 0.11 |
| 2023 | -0.67 | 1.60 | 0.28 | -0.97 | 1.13 | -0.29 | -0.15 | -0.60 | 0.32 | -0.41 | -0.04 | 0.02 | |
| Avg | -0.37 | -0.32 | -0.04 | 0.10 | 0.01 | 0.00 | -0.11 | -0.13 | 0.00 | 0.00 | -0.07 | -0.17 | -0.09 |
| Max | 3.50 | 3.42 | 2.99 | 2.28 | 1.39 | 1.61 | 0.87 | 1.10 | 1.28 | 1.68 | 2.47 | 2.28 | 2.07 |
| Min | -3.77 | -4.27 | -3.19 | -1.84 | -1.66 | -1.35 | -1.36 | -1.41 | -1.14 | -1.92 | -2.18 | -3.41 | -2.29 |
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Avg |
