Mawson 12Z 700hPa height 1955 - - - - - - - - - - - - 1956 - - - - - - - - - - - - 1957 - - - - - - - - - - - - 1958 - - - - - - - - - - - - 1959 - - - - - - - - - - - - 1960 - - - - - - - - - - - - 1961 - - - - - - - - - - - - 1962 - - - - - - - - - - - - 1963 - - - - - - - - - - - - 1964 - - - - - - - - - - - - 1965 - - - - - - - - - - - - 1966 - - - - - - - - - - - - 1967 - - - - - - - - - 2573.3 2652.4 2661.3 1968 2681.9 2666.6 2646.8 - - - - - - - - - 1969 - - - - - - - - - 2586.5 - - 1970 - - - - - - - - - - 2647.1 2703.2 1971 2736.5 2672.9 2605.9 - - - - - - 2558.3 2614.8 2700.3 1972 2723.5 2669.7 2652.3 - - - - - - 2548.5 2577.1 2707.3 1973 2711.7 2643.6 2550.3 - - - - - - 2543.6 2593.4 2611.9 1974 2685.5 2634.0 2580.3 2615.2 2588.4 2573.6 2555.8 2615.5 2494.3 2557.7 2640.3 2729.3 1975 2701.0 2663.3 2623.5 - - - - - - 2518.1 2583.8 2674.2 1976 - - - - - - - - - 2513.9 2651.7 2783.0 1977 2726.1 2654.1 2611.9 - - - - - - 2564.2 2591.0 2653.5 1978 2635.5 2672.9 - - - - - - - - - - 1979 - - 2570.6 2619.0 2531.9 2522.1 2469.3 2487.3 2486.7 2531.7 2635.4 2705.8 1980 2707.7 2672.7 2641.0 2627.0 2577.1 2527.5 2585.9 2562.6 2555.5 2518.9 2637.3 2679.7 1981 2675.5 2645.7 2654.5 2637.2 2568.7 2549.3 2623.9 2599.0 2527.0 2510.6 2590.7 2633.2 1982 2692.6 2631.9 2563.5 2529.3 2543.2 2543.1 2543.5 2498.9 2465.7 2563.7 2664.1 2747.4 1983 2699.0 2670.0 2611.7 2555.7 2592.6 2570.7 2524.0 2514.0 2526.3 2515.0 2557.7 2616.8 1984 2696.5 2652.1 2604.3 2568.3 2630.0 2552.3 2502.6 2563.5 2520.0 2488.4 2604.6 2726.0 1985 2736.0 2642.1 2594.8 2613.7 2568.7 2600.3 2474.3 2489.7 2501.3 2508.1 2541.0 2618.1 1986 2676.1 2707.9 2644.5 2554.7 2605.3 2571.4 2484.2 2522.0 2458.9 2496.5 2588.7 2626.8 1987 2724.5 2657.9 2611.3 2596.0 2559.4 2593.0 2554.3 2424.7 2509.7 2507.7 2568.0 2646.1 1988 2695.7 2648.0 2611.2 2552.3 2621.6 2639.4 2485.3 2491.7 2582.5 2655.5 2614.6 2635.8 1989 - - - - - - - - - - - - 1990 - - - - - - - - - - - - 1991 - - - - - 2585.6 2593.3 2533.0 2538.7 2500.7 2622.1 2749.2 1992 2693.0 2694.5 2638.6 2627.1 2674.0 2651.3 2496.5 2490.3 2474.7 2550.2 2569.9 2630.3 1993 2729.3 2607.9 2607.8 2568.7 2509.5 2528.4 2477.3 2469.8 2501.1 2520.5 2572.6 2628.8 1994 2652.2 2606.2 2560.4 2602.3 2583.8 2662.1 2589.0 2500.9 2534.6 2535.2 2642.5 2621.3 1995 2642.3 2648.1 2602.1 2606.2 2544.2 2554.2 2627.6 2543.1 2434.8 - - 2653.0 1996 2684.5 2679.0 2583.8 2571.5 2541.9 2585.2 2593.3 2553.4 2645.1 2544.6 2650.9 2674.3 1997 2674.4 2633.9 2548.3 2630.1 2542.2 2614.3 2472.3 2502.7 2489.2 2541.9 2656.1 2692.4 1998 2658.5 2631.6 2598.7 2470.2 2550.9 2542.0 2522.2 2466.2 2556.4 2538.4 2542.8 2609.8 1999 2659.0 2641.8 2606.8 2527.4 2536.2 2647.3 2516.3 2502.9 2531.7 2455.8 2577.5 2574.5 2000 2601.4 2607.3 2572.4 2591.5 2500.2 2580.0 2542.6 2530.6 2567.7 2501.1 2644.9 2707.4 2001 2655.5 2672.8 2610.5 2528.2 2587.2 2563.8 2570.1 2482.2 2486.1 2526.0 2559.2 2598.9 2002 2650.4 2586.8 2652.3 2591.0 2661.1 2580.1 2584.8 2497.1 2550.8 2627.6 2603.9 2613.3 2003 2708.6 2672.8 2605.2 2563.7 2574.0 2621.2 2561.1 2490.4 2511.2 2546.2 2613.7 2710.0 2004 2662.7 2701.4 2563.8 2554.4 2575.1 2523.1 2482.0 2482.2 2471.1 2565.7 2595.1 - 2005 - - - - - - - - - - - - 2006 - - - - - - - - - - - - 2007 - - - - - - - - - - - - 2008 - - - 2622.0 2596.3 2528.9 2551.5 2495.2 2533.5 2472.2 2554.9 2627.4 2009 2668.6 2654.1 2595.1 2582.8 2601.4 2660.1 2566.1 2570.5 2548.0 2557.4 2634.0 2651.1 2010 2727.7 2696.8 2604.9 2573.4 2528.8 2475.3 2429.8 2445.0 2515.3 2524.3 2590.4 2665.0 2011 2712.0 2644.4 2616.2 2625.1 2542.8 2623.7 2600.7 2572.5 2547.6 2543.6 2654.6 2614.3 2012 2592.4 2649.2 2584.5 2559.2 2571.8 2558.9 2496.8 2531.3 2486.6 2533.6 2648.6 2697.8 2013 2647.6 2611.9 2567.4 2568.5 2543.4 2619.2 2528.5 2614.8 2596.6 2572.5 2644.9 2662.4 2014 2688.9 2633.6 2606.8 2560.4 2605.8 2570.8 2528.8 2506.1 2565.8 2540.5 2625.4 2592.5 2015 2653.1 2591.7 2566.3 2524.4 2544.7 2544.8 2515.5 2461.7 2502.4 2581.4 2584.5 2644.4 2016 2627.5 2612.3 2560.5 2538.2 2545.6 2515.6 2513.5 2578.9 - - 2682.4 2660.9 2017 2721.4 2633.2 2586.9 2526.9 2545.9 2537.2 2568.2 2463.4 2501.8 2558.0 2598.4 2621.7 2018 2680.4 2610.6 2635.0 2623.2 2564.0 2647.1 2515.1 2529.3 2472.1 - 2584.7 2643.1 2019 2656.1 2646.2 2616.7 2609.1 2609.7 2525.8 2569.1 2510.4 2491.8 2644.6 2672.4 2747.6 2020 2701.4 2639.4 2613.2 2603.6 2554.3 2594.6 2563.4 2554.8 2506.2 2542.1 2617.8 2589.2 2021 2632.6 2585.6 2624.9 2550.4 2515.7 2534.3 2539.9 2505.8 2494.2 2521.8 2585.6 2623.7 2022 2663.1 - 2609.2 2567.4 2570.5 2578.4 2557.6 2539.1 2474.1 2536.1 2535.7 2591.4 2023 2584.6 2622.9 2653.5 2603.6 2587.1 2585.4 2518.1 2565.8 2540.6 2551.1 2580.2 2611.7 2024 2643.2 2613.1 2565.5 2551.2 - - - - - - - -