Mcmurdo 00Z 700hPa height 1956 - - - - - - - 2500.3 2473.1 2443.6 - - 1957 - - - 2541.8 2569.1 2565.0 2466.6 2508.4 2485.4 2516.8 2603.0 2722.5 1958 - - 2600.9 2598.8 2532.2 2545.2 2492.7 2485.7 2409.8 2485.3 2559.9 2587.3 1959 2660.8 2597.2 - - 2498.7 2545.3 2520.2 2562.4 2419.7 2470.0 2518.6 2679.4 1960 2676.8 2628.1 - - - - - - - - - - 1961 2664.4 2689.6 2598.4 2553.6 2563.2 2560.8 2496.0 2456.7 2549.3 2501.9 2587.0 - 1962 2626.9 2641.8 2548.1 2491.9 2489.5 2585.6 2416.0 2477.2 2535.0 2482.3 2610.1 2622.6 1963 2628.9 2604.4 2563.7 2529.1 2523.3 2484.3 2478.3 2629.2 2509.2 2477.0 2539.9 2662.5 1964 2717.5 2666.7 2574.9 2513.2 2405.1 2594.8 2639.8 2562.6 2437.2 2474.5 2632.6 2686.0 1965 2693.4 2736.4 2559.3 2519.3 2571.0 2537.3 2550.1 2469.1 2501.1 2530.2 2542.4 2701.9 1966 2650.5 2659.8 2679.0 2543.7 2572.3 2503.2 2545.5 2386.4 2429.7 2437.8 2581.0 2673.7 1967 2746.2 2697.3 2582.9 2551.8 2549.1 2540.2 2512.8 2441.8 2487.3 2490.1 2638.6 2679.1 1968 2675.3 2644.1 2599.9 2527.4 2616.0 2538.4 2427.3 2481.6 2479.0 2538.2 2614.8 2654.2 1969 2754.7 2634.6 2580.0 2589.1 2538.4 2613.1 2420.0 2453.5 2503.7 2510.3 2557.7 2659.7 1970 2665.2 2613.4 2584.1 2578.9 2465.5 2539.2 2566.9 2394.7 2507.4 2550.9 2565.7 2708.3 1971 2708.1 2641.3 - 2549.6 2595.2 2491.6 2512.5 2531.1 2481.8 2552.3 2594.2 2685.8 1972 2744.6 2663.5 2610.1 2614.1 2558.0 2617.8 2533.5 2555.7 2511.8 2449.8 2530.8 2695.3 1973 2720.7 2618.9 2506.0 2566.3 2605.2 2555.2 2513.6 2467.3 2489.3 2493.9 2597.1 2609.0 1974 2717.8 2570.8 2532.7 2516.9 2550.2 2622.3 2505.7 2613.9 2431.8 2527.8 2636.8 2709.9 1975 2713.6 2625.3 2575.9 2505.5 2617.1 2557.0 2573.2 2451.5 2432.8 2472.5 2589.9 2683.5 1976 2717.1 2626.8 2541.7 2473.2 2511.8 2504.1 2527.3 2468.0 2435.4 2433.0 2604.6 2791.7 1977 2757.1 2640.3 2573.0 2576.2 2549.1 2559.5 2515.0 2551.8 2413.2 2462.8 2541.1 2678.1 1978 2659.5 2643.4 2591.5 2580.1 2535.2 2543.0 2623.6 2405.4 2485.4 2490.6 2592.6 2651.5 1979 2659.4 2623.1 2528.9 2552.1 2507.2 2494.5 2388.6 2476.6 2455.6 2487.7 2586.3 2702.6 1980 2708.0 2666.6 2594.4 2613.2 2552.5 2477.8 2593.3 2522.8 2583.2 2450.5 2653.0 2664.5 1981 2658.9 2644.0 2611.1 2595.8 2511.8 2508.4 2536.2 2579.6 2554.4 - - - 1982 - - - 2485.6 2566.9 2461.9 2525.5 2438.5 - 2496.8 2577.9 2751.6 1983 - - - - 2587.8 2484.6 2505.3 - - - 2522.2 2670.9 1984 2738.3 2669.6 2522.2 - 2559.7 2484.1 2427.9 2502.3 2480.2 2465.5 2576.0 2733.4 1985 2738.7 2615.1 2588.1 2539.1 2562.4 2496.3 2398.1 2535.5 2427.3 2469.7 2505.0 2581.6 1986 - 2701.8 - - - - - - - 2488.9 2525.6 2654.6 1987 2763.8 2639.4 2576.8 2566.0 2518.3 - 2580.1 2439.2 2583.1 2524.5 2555.8 2664.6 1988 2688.9 2615.0 2550.6 2560.2 2564.2 2621.7 2494.5 2516.2 2540.6 2648.7 2588.9 2649.4 1989 2660.3 2623.9 2575.2 2591.7 2435.4 2464.1 2492.7 2493.7 2518.9 2526.1 2530.3 2709.3 1990 2687.2 2593.1 2558.3 2593.4 2656.0 2537.9 - 2467.9 2415.0 2566.6 - 2729.9 1991 2675.4 2694.8 2564.0 2613.3 2548.3 2620.1 2608.8 2576.9 2572.6 2551.7 2618.3 2744.1 1992 2674.6 2707.7 2607.2 2542.4 2617.5 - 2492.0 2547.5 2441.7 2509.2 2560.2 2625.8 1993 2759.4 2600.3 2557.9 2511.8 2499.2 2417.8 2356.7 2453.7 2486.3 2494.8 2571.1 2621.2 1994 2657.8 2589.2 - - - 2632.6 2576.1 2402.3 - 2522.6 2605.3 2603.7 1995 2630.2 2597.6 - 2517.7 2481.8 2568.4 2636.8 2554.9 - 2526.3 2573.8 2613.7 1996 2651.9 2679.9 2570.4 2490.9 2496.4 2498.1 2481.7 2557.7 2537.9 2447.7 2637.7 2662.1 1997 2670.3 2647.1 2507.6 2507.6 - - - - 2515.1 2555.4 2682.3 2700.7 1998 2657.5 2616.4 2567.8 2469.4 2548.6 2531.2 2535.1 2529.8 2552.8 2546.6 2525.0 2630.3 1999 2655.2 2635.5 2557.6 2492.9 2473.3 2655.9 2499.7 2514.4 2533.9 2435.1 2542.5 2575.5 2000 2603.0 2603.4 2579.5 2551.5 2526.6 2539.0 2510.4 2517.7 2576.6 2503.7 2610.3 2732.0 2001 2690.2 2661.4 2563.0 2509.8 2538.9 2528.6 2560.7 2459.6 2507.0 2479.1 2552.1 2613.5 2002 2672.1 2576.9 2635.7 2528.8 2622.8 2605.4 2535.0 2447.9 2580.1 2602.0 2596.9 2609.4 2003 2726.0 2670.6 2576.5 2509.2 2520.0 2608.4 2505.5 2464.6 2508.2 2491.2 2601.7 2747.8 2004 2672.3 2711.5 2526.4 2503.1 2506.0 2511.8 2400.6 2521.3 2507.8 2532.0 2575.0 2722.3 2005 2693.0 2593.3 2572.5 2496.8 2525.4 2582.4 2520.1 2469.6 2500.9 2502.4 2584.8 2769.2 2006 2683.3 2642.8 2590.1 2562.1 2477.7 2499.1 2454.9 - 2519.9 2502.3 2594.1 2639.2 2007 2709.8 2614.5 2629.5 2560.7 2604.3 2563.1 2637.8 2509.0 2503.3 2542.2 2601.5 2602.7 2008 2656.2 2572.3 2574.9 2596.5 2535.5 2498.7 2475.1 2477.0 2479.3 2489.2 2565.6 2629.2 2009 2624.6 2618.0 2542.2 2549.9 2580.7 2573.6 2590.4 2555.8 2507.9 2478.5 2610.4 2634.9 2010 2742.3 2670.5 2584.0 2535.7 2515.0 2459.4 2388.7 2421.4 2474.9 2494.8 2523.4 2686.2 2011 2698.3 2622.6 2604.1 2583.5 2493.5 2546.9 2538.6 2556.9 2567.7 2501.6 2640.4 2589.8 2012 2591.9 2616.5 2547.7 2500.5 2501.2 2577.4 2478.5 2498.3 2486.7 2498.8 2632.5 2685.9 2013 2676.5 2566.0 2499.7 2499.1 2539.9 2634.6 2448.1 2610.3 2605.0 2537.5 2559.1 2644.3 2014 2722.5 - - - - - - - - - - - 2015 - - - - - - - - - - - - 2016 - - - - - - - - - - - - 2017 - - 2621.4 2543.4 2487.6 2466.0 2460.4 2442.9 2459.6 2542.0 2527.2 2620.0 2018 2634.7 2583.6 2579.0 2569.4 2507.3 2550.9 2518.9 2566.2 2450.6 2483.7 2540.8 2620.9 2019 2644.4 2651.2 2574.5 2518.3 2569.8 2406.5 2576.2 2524.0 2414.3 2516.4 2666.2 2726.3 2020 2683.2 2609.5 2498.3 2523.4 2488.4 2456.8 2524.4 2517.0 2500.0 2453.1 2534.2 2580.0 2021 2605.6 2559.4 2578.9 2460.1 2498.1 2499.8 2562.6 2526.5 2437.2 2522.6 2522.7 2558.4 2022 2621.3 2606.8 2549.2 2526.9 2505.3 2576.2 2466.5 2458.0 2445.3 2507.6 2506.0 2574.2 2023 2577.2 2596.5 2556.2 2600.6 2503.4 2545.6 2505.9 2598.0 2520.8 2459.1 2550.5 2579.1 2024 2614.6 2578.3 2520.5 2439.2 - - - - - - - -