Gough 12Z 850hPa height 1966 - - - - - - 1465.5 - - - 1440.0 - 1967 1471.2 - - - 1424.6 1454.4 1431.5 1454.2 1464.6 1417.3 - - 1968 - 1527.3 - - - 1467.2 1458.7 - 1429.7 - - 1448.8 1969 - 1476.8 - 1523.2 1439.6 1469.5 - - - 1488.3 1496.1 1470.8 1970 1506.0 1503.8 1480.9 1491.2 1440.4 1451.7 1457.5 1501.3 1477.8 1466.2 1496.7 1441.8 1971 - 1535.4 1467.2 1452.2 1445.8 1474.6 1446.8 1456.1 1496.7 1478.0 1494.6 1454.9 1972 1425.9 1500.8 1471.6 1453.9 - - 1497.3 1477.1 1443.2 - - - 1973 1489.7 1506.1 1506.4 1498.3 1504.1 1504.8 1454.2 1484.9 - 1493.0 1490.6 1492.2 1974 1509.5 1495.9 1503.3 1453.1 1434.8 1449.8 1443.4 1435.0 1452.9 1452.0 1473.1 1446.2 1975 1497.9 1467.6 1504.8 1471.1 1440.5 1421.0 1459.7 1499.0 1497.8 1477.9 1481.8 1499.2 1976 1469.8 1501.0 1516.8 1458.0 1478.5 1430.4 1491.0 1490.9 1459.8 1524.3 1477.0 1397.4 1977 1450.4 1485.6 1510.9 1451.0 1485.8 1459.6 1421.0 1455.1 1496.2 1471.2 1499.4 1425.6 1978 1505.3 1503.9 1485.9 1510.9 1438.6 1437.8 1504.3 1519.2 1513.1 1493.9 1461.0 1456.9 1979 1491.7 1470.6 1487.1 1433.2 1487.1 1424.0 1487.0 1521.8 1514.7 1506.7 1468.9 1455.8 1980 1520.9 1519.3 1455.8 1490.5 1444.8 1511.6 1468.4 1471.3 1459.7 1488.1 1543.1 1456.9 1981 1536.5 1511.1 1497.5 1477.6 1458.2 1480.1 1417.4 1490.7 1436.6 1424.7 1499.0 1522.4 1982 1482.8 1506.7 1537.2 1512.6 1407.5 1425.9 1482.4 1448.2 1445.7 1476.0 1446.6 1416.6 1983 1431.0 1522.2 1521.3 1451.8 1429.6 1434.6 1468.9 1436.3 1420.7 1508.8 1516.0 1441.1 1984 1429.9 1477.9 1478.5 1463.4 1432.0 1429.7 1444.5 1455.2 1424.8 1485.0 1472.7 1451.1 1985 1463.8 1479.7 1492.0 1492.3 1441.8 1400.4 1456.0 1416.2 1448.5 1454.3 1441.3 1483.1 1986 1473.2 1467.6 1493.5 1454.8 1409.1 1457.8 1407.3 1484.8 1477.9 1446.6 1483.7 1482.1 1987 1449.4 1476.4 1494.2 1442.8 1405.4 1436.7 1460.8 1448.8 1466.8 1440.6 1479.4 1467.1 1988 1456.3 1509.8 1435.6 1507.5 1431.4 1437.9 1457.2 1461.4 1416.7 1501.5 1497.6 1500.0 1989 1466.9 1481.4 1472.5 1495.1 1458.0 1491.8 1441.8 1441.2 1429.2 1493.9 1480.8 1486.8 1990 1447.9 1485.4 1502.6 1456.7 1449.7 1514.4 1429.7 1489.2 1508.8 1499.2 1473.6 1456.0 1991 1504.1 1487.2 1510.8 1438.7 1443.3 1462.8 1470.2 1502.9 1435.3 1477.9 1479.0 1421.2 1992 1488.7 1462.4 1482.5 1427.8 1455.6 1457.0 1430.6 1504.8 1516.2 1486.5 1475.2 1460.9 1993 1447.1 1467.9 1470.0 1498.4 1477.1 1445.5 1421.5 1444.6 1405.5 1448.8 1465.9 1507.1 1994 1490.5 1507.9 1482.6 1472.3 1456.3 1476.5 1482.4 1499.0 1460.6 1460.2 1467.3 1440.3 1995 1460.7 1476.7 1502.1 1512.3 1485.1 1470.6 1465.3 1404.9 1452.8 1467.1 1485.6 1474.3 1996 1488.5 1495.4 1496.4 1448.9 1435.2 1381.3 1475.1 1401.8 1446.6 1505.3 1486.5 1460.4 1997 1499.6 1537.9 1510.3 1502.1 1455.4 1419.8 1470.4 1457.2 1411.7 1458.7 1444.3 1457.1 1998 1508.3 1497.2 1489.5 1447.2 1403.8 1402.4 1502.0 1474.4 1489.3 1493.9 1477.9 1480.1 1999 1474.5 1508.8 1446.8 1483.8 1454.9 1403.7 1389.8 1436.9 1471.9 1471.5 1470.6 1516.1 2000 1477.6 1519.1 1505.5 1483.9 1438.4 1420.9 1477.4 1444.9 1426.2 1484.9 1445.8 1485.6 2001 1485.4 1496.2 1483.5 1467.7 1436.5 1428.3 1459.3 1505.2 1469.3 1522.7 1494.5 1489.4 2002 1492.8 - 1443.5 1436.7 1458.9 1483.6 1419.3 1466.9 1471.0 1409.4 1477.9 1440.1 2003 1461.9 1437.2 1469.0 1432.9 1447.3 1447.1 1458.8 1456.0 1460.3 1481.9 1461.5 1481.9 2004 1503.2 1480.0 1501.1 1452.4 1462.2 1458.6 1512.4 1466.6 1466.5 1493.2 1410.8 1440.8 2005 1496.4 1507.0 1493.5 1481.0 1463.8 1485.6 1429.3 1466.6 1461.5 1424.3 1472.3 1489.8 2006 - 1455.1 1541.9 1526.9 1472.0 1454.6 1424.3 1429.0 1482.1 1480.0 1469.1 1469.2 2007 1462.2 1498.2 1487.2 1453.6 1430.4 1435.4 1424.7 1456.7 1445.6 - - - 2008 1508.8 1496.6 1500.9 1467.3 1388.1 1449.2 1434.4 1496.0 1421.9 1451.0 1492.0 1494.8 2009 1508.2 1524.7 1499.2 1472.9 - - 1522.5 1403.0 1490.1 1484.7 1415.7 1484.7 2010 1483.4 1451.3 1505.0 1477.6 - - - 1448.4 1484.6 1484.2 1512.0 1510.5 2011 1493.7 1470.3 1487.8 1528.5 1470.2 1473.6 1512.6 1404.8 1444.1 1472.0 1530.2 1489.5 2012 1434.8 - - - - - - - - 1541.6 - - 2013 - - 1494.5 1451.3 - - - - 1459.0 1511.4 1484.9 1476.2 2014 1455.6 1464.1 1534.0 1476.5 1423.6 1468.1 1529.7 - 1457.3 1496.4 1524.1 1502.1 2015 1454.0 1519.7 1483.8 1488.5 1449.3 1487.5 1565.7 - 1434.2 1433.9 1489.2 1449.0 2016 1495.8 1492.9 1529.0 1454.6 - 1460.8 1474.8 1415.7 1490.8 1452.0 1485.9 1396.7 2017 1490.6 1498.1 1467.4 1479.5 1449.4 1445.2 1472.8 1507.4 1493.4 1486.5 1494.1 1490.4 2018 1500.6 1504.1 1505.0 1469.7 1435.9 1388.5 1458.2 1530.7 1483.2 1452.8 1495.2 1438.9 2019 1507.9 1481.8 1516.8 1463.4 1449.3 1426.0 - - - - - - 2020 - - - - - - - - - 1463.5 1475.3 1500.6 2021 1500.6 1528.9 1491.4 1469.1 1449.3 1477.4 1444.6 1490.0 1473.2 1482.6 1475.6 1544.7 2022 1467.3 1478.6 1497.8 - - - - - 1497.6 1480.1 - - 2023 - - - - - - - - - 1500.8 1389.8 1497.4 2024 1500.9 1518.4 1507.0 1515.6 - - - - - - - -