Syowa 12Z 700hPa height 1959 - - - 2612.3 - - 2563.4 - - 2564.4 - - 1960 - - 2555.3 2577.9 2598.5 2543.6 2501.9 2526.4 2461.1 2551.8 2581.2 2624.0 1961 2678.5 2703.5 2602.6 2592.9 2599.7 2594.4 2506.8 2514.8 2598.6 2575.5 2611.0 2626.1 1962 - - - - - - - - - - - - 1963 - - - - - - - - - - - - 1964 - - - - - - - - - - - - 1965 - - - - - - - - - - - - 1966 - 2716.0 2657.4 2594.3 2629.4 2544.6 2577.1 2437.6 2529.1 2497.7 2624.6 2673.8 1967 2731.9 2693.4 2608.8 2580.2 2600.8 2583.0 2557.3 2528.9 2531.3 2592.8 2651.0 2670.1 1968 2683.6 2679.8 - - - - - - - - - - 1969 - - - - - - - - - - - - 1970 - - - - - - - - - - - - 1971 - - - - - - - - - - - - 1972 - - - - - - - - - - - - 1973 - - - - - - - - - - - - 1974 - - 2596.7 2606.1 2610.3 2580.8 2548.9 2613.2 2492.2 2547.0 2663.9 2723.5 1975 2722.8 2668.5 2640.4 2551.4 2673.2 2585.6 2591.5 2501.1 2485.3 2517.9 2595.3 2701.8 1976 2724.1 2648.5 2611.4 2540.1 2514.1 2606.4 2509.0 2499.8 2462.8 2518.2 2685.0 2809.9 1977 2742.3 2671.6 2628.9 2615.4 2622.4 2616.4 2602.6 2583.0 2471.5 2512.9 2588.3 2668.4 1978 2646.5 2654.9 2632.8 2578.7 2585.4 2562.3 2599.4 2436.2 2520.2 2576.7 2621.1 2678.4 1979 2673.1 2655.3 2592.7 2605.4 2540.1 2525.2 2440.8 2480.4 2487.7 2563.0 2629.6 2736.1 1980 2695.2 2667.5 2653.9 2633.4 2605.9 2535.8 2588.4 2566.0 2560.3 2513.1 2661.7 2670.4 1981 2684.1 2644.1 2645.0 2619.6 2573.1 2557.0 2661.6 2615.0 2529.6 2502.3 2590.0 2609.6 1982 2704.1 2640.4 2547.9 2548.2 2572.9 2520.0 2532.4 2516.2 2460.2 2561.2 2664.2 2752.5 1983 2701.6 2683.0 2613.4 2589.5 2611.2 2574.5 2504.6 2496.0 2512.2 2509.7 2564.5 2634.7 1984 2717.7 2661.3 2593.7 2587.5 2634.5 2579.5 2536.0 2556.7 2507.0 2512.5 2617.7 2747.3 1985 2716.9 2645.4 2616.5 2609.6 2567.0 2595.0 2468.1 2478.2 2500.9 2504.7 2549.9 2611.8 1986 2679.9 2716.9 2642.4 2549.0 2633.0 2599.6 2488.4 2553.5 2453.6 2511.6 2580.8 2620.1 1987 2728.4 2661.1 2621.9 2600.6 2616.8 2590.3 2580.5 2449.6 2526.1 2505.4 2562.2 2667.2 1988 2711.7 2625.7 2662.4 2594.1 2621.4 2687.2 2483.5 2510.7 2577.1 2642.2 2573.6 2650.7 1989 2700.2 2625.6 2620.4 2612.7 2479.8 2520.2 2481.7 2536.8 2538.3 2529.4 2618.2 2678.1 1990 2689.9 2621.6 2615.3 2644.1 2673.1 2601.5 2633.7 2484.5 2431.1 2572.3 2619.9 2652.7 1991 2628.0 2697.0 2589.6 2585.7 2570.0 2617.7 2577.9 2517.2 2541.9 2500.3 2611.3 2748.3 1992 2705.9 2679.3 2638.3 2596.0 2642.7 2649.3 2532.4 2473.9 2477.9 2549.7 2553.4 2647.0 1993 2741.6 2633.3 2596.5 2588.3 2542.3 2558.4 2488.1 2463.8 2505.9 2532.4 2583.0 2620.6 1994 2663.0 2612.0 2567.4 2595.2 2584.3 2659.6 2555.5 2500.3 2533.2 2537.1 2632.5 2607.3 1995 2640.7 2645.6 2601.4 2587.3 2530.5 2573.3 2630.0 2559.3 2428.2 2561.1 2616.2 2636.0 1996 2689.0 2677.8 2578.8 2575.0 2545.0 2579.2 2611.1 2583.0 2661.1 2535.2 2651.1 2675.8 1997 2677.7 2638.3 2563.3 2602.9 2543.6 2622.8 2516.9 2508.7 2522.4 2535.0 2697.3 2686.4 1998 2648.8 2615.1 2584.4 2481.5 2563.1 2542.9 2522.5 2507.1 2518.8 2525.1 2542.2 2620.2 1999 2662.4 2655.3 2593.3 2528.8 2533.3 2643.2 2503.3 2552.9 2560.4 2457.3 2581.1 2585.1 2000 2611.0 2604.9 2587.8 2585.7 2511.1 2587.9 2542.4 2552.6 2586.4 2519.5 2641.5 2706.9 2001 2667.1 2672.4 2617.7 2549.3 2605.6 2632.0 2584.7 2501.2 2478.7 2551.0 2561.2 2600.9 2002 2658.9 2579.1 2652.7 2622.9 2675.7 2589.6 2576.2 2501.0 2553.0 2638.3 2601.8 2614.3 2003 2704.7 2676.6 2608.8 2554.1 2591.8 2611.9 2531.2 2495.8 2492.5 2559.5 2611.9 2725.0 2004 2648.1 2693.4 2558.1 2578.4 2568.1 2518.7 2446.6 2477.5 2466.7 2553.7 2594.7 2687.2 2005 2682.0 2606.1 2614.1 2556.3 2564.4 2648.6 2558.9 2527.5 2493.0 2518.0 2585.7 2758.1 2006 2664.8 2634.6 2579.5 2584.8 2525.8 2561.4 2461.8 2664.0 2534.7 2496.7 2588.4 2637.8 2007 2678.6 2617.4 2624.2 2605.5 2605.8 2646.1 2653.5 2541.3 2558.7 2557.2 2651.0 2590.8 2008 2634.9 2588.8 2618.3 2624.1 2617.1 2538.1 2542.5 2493.4 2505.0 2493.6 2566.8 2611.8 2009 2652.1 2618.0 2602.9 2594.9 2655.9 2635.9 2575.4 2539.0 2549.2 2557.3 2634.0 2657.0 2010 2722.5 2703.2 2627.1 2581.5 2554.2 2471.7 2463.3 2442.6 2507.1 2501.1 2553.1 2687.9 2011 2680.2 2660.4 2623.4 2628.0 2553.0 2635.6 2583.7 2595.6 2548.7 2558.2 2650.1 2630.2 2012 2597.1 2668.0 2601.2 2559.9 2591.1 2547.6 2498.3 2521.3 2514.8 2536.7 2680.0 2693.0 2013 2667.3 2617.4 2561.3 2545.4 2565.2 2624.3 2524.4 2600.8 2584.6 2553.4 2639.9 2653.2 2014 2703.3 2626.9 2603.9 2551.1 2608.5 2574.5 2515.6 2550.8 2555.8 2555.2 2619.4 2595.4 2015 2661.5 2604.4 2573.1 2524.5 2564.9 2557.1 2472.8 2440.4 2499.9 2596.9 2608.9 2648.8 2016 2638.9 2619.0 2578.0 2574.7 2575.2 2500.3 2505.8 2574.4 2479.9 2560.9 2660.3 2690.0 2017 2724.6 2652.5 2621.5 2571.3 2550.7 2577.8 2521.1 2479.0 2455.4 2566.6 2592.7 2638.4 2018 2653.5 2618.8 2626.6 2635.4 2631.0 2622.6 2526.5 2541.2 2479.5 2555.8 2552.4 2650.0 2019 2656.4 2665.0 2611.4 2595.4 2594.3 2485.7 2561.5 2512.8 2462.9 2605.6 2685.2 2741.9 2020 2676.9 2639.1 2566.8 2612.9 2552.9 2570.1 2558.3 - 2529.9 2523.2 - - 2021 - - 2670.3 2536.7 2547.0 2569.4 2551.9 2533.5 2534.0 2547.8 2572.2 2606.1 2022 2681.6 2628.5 2605.6 2576.7 2589.0 2632.3 2483.5 2484.8 2499.1 2501.1 2529.2 2590.5 2023 2618.9 2600.2 2598.7 2607.1 2543.4 2578.5 2509.9 2541.5 - 2612.3 2585.5 2639.7 2024 2644.5 2614.8 2586.9 2552.1 - - - - - - - -