YEAR MONTH MEAN STDEV COUNT 2002 1 nan nan 0 2002 2 nan nan 0 2002 3 nan nan 0 2002 4 nan nan 0 2002 5 nan nan 0 2002 6 nan nan 0 2002 7 1.95063e+01 2.72260e+00 281 2002 8 2.29313e+01 6.65028e+00 512 2002 9 1.60501e+01 8.38444e+00 572 2002 10 1.74059e+01 6.32847e+00 704 2002 11 1.57580e+01 4.66829e+00 915 2002 12 9.03475e+00 4.52632e+00 640 2003 1 6.73607e+00 3.92804e+00 1088 2003 2 1.57341e+01 4.46674e+00 640 2003 3 7.97585e-01 1.19963e+00 143 2003 4 1.40536e+01 1.66202e+01 375 2003 5 4.95523e+00 6.13414e+00 111 2003 6 1.90608e+01 1.67576e+01 318 2003 7 2.65209e+01 1.76393e+01 118 2003 8 1.82721e+01 1.84624e+01 410 2003 9 1.94709e+01 1.51475e+01 634 2003 10 1.41548e+01 8.18610e+00 1024 2003 11 1.50615e+01 9.07399e+00 1134 2003 12 9.02770e+00 4.57513e+00 896 2004 1 9.70186e+00 6.12141e+00 788 2004 2 1.84270e+01 3.09579e+00 236 2004 3 8.67269e+00 5.01223e+00 826 2004 4 1.25555e+01 6.32339e+00 697 2004 5 1.15159e+01 5.17337e+00 619 2004 6 1.67313e+01 4.01860e+00 383 2004 7 9.90331e+00 5.33762e+00 517 2004 8 2.11346e+01 1.06725e+01 597 2004 9 9.85827e+00 9.91213e+00 396 2004 10 1.12419e+00 1.61334e+00 194 2004 11 2.98481e+00 6.32516e+00 412 2004 12 6.95523e-01 1.33458e+00 501 2005 1 5.94583e+00 6.48887e+00 707 2005 2 3.29988e+00 2.48864e+00 493 2005 3 4.75353e+00 2.83729e+00 695 2005 4 8.81928e+00 1.06500e+01 254 2005 5 2.34064e+01 7.91928e+00 417 2005 6 1.48624e+01 1.47200e+01 436 2005 7 8.14315e+00 9.48736e+00 447 2005 8 2.21724e+01 2.81498e+00 89 2005 9 7.57462e+00 6.11500e+00 384 2005 10 1.27177e+01 8.31842e+00 1177 2005 11 1.45513e+01 4.55675e+00 1181 2005 12 1.45336e+01 4.59441e+00 1024 2006 1 1.04164e+01 4.86234e+00 854 2006 2 8.32029e+00 5.65550e+00 791 2006 3 5.23308e+00 5.76346e+00 1035 2006 4 4.38690e+00 3.84584e+00 550 2006 5 1.80712e+01 8.45099e+00 709 2006 6 1.60260e+01 6.22451e+00 341 2006 7 1.55945e+01 9.28378e+00 392 2006 8 1.75943e+01 8.56911e+00 456 2006 9 1.37091e+01 6.25226e+00 686 2006 10 1.71970e+01 6.41608e+00 995 2006 11 2.00986e+01 5.40363e+00 827 2006 12 1.67831e+01 7.62648e+00 571 2007 1 2.35218e+01 6.29862e+00 540 2007 2 2.18043e+01 5.60328e+00 883 2007 3 2.14521e+01 3.61477e+00 1209 2007 4 1.80450e+01 7.41211e+00 837 2007 5 2.30659e+01 3.47352e+00 441 2007 6 2.03415e+01 4.47675e+00 539 2007 7 1.76061e+01 5.40676e+00 497 2007 8 1.51698e+01 7.46766e+00 576 2007 9 1.79466e+01 6.99542e+00 601 2007 10 2.44468e+01 5.06292e+00 701 2007 11 2.59754e+01 2.46384e+00 1076 2007 12 2.39411e+01 9.14762e+00 753 2008 1 2.52866e+01 6.69313e+00 1025 2008 2 2.69892e+01 6.05049e+00 1152 2008 3 1.44877e+01 9.14470e+00 960 2008 4 1.28892e+01 1.64128e+01 684 2008 5 7.80784e+00 5.87201e+00 648 2008 6 2.07438e+01 1.08508e+01 608 2008 7 2.09256e+01 6.60435e+00 383 2008 8 1.32295e+01 1.57775e+00 192 2008 9 1.35140e+01 8.80528e+00 703 2008 10 1.25717e+01 5.60202e+00 1024 2008 11 1.43519e+01 5.00161e+00 1021 2008 12 7.26891e+00 5.71762e+00 890 2009 1 7.39714e+00 4.51266e+00 640 2009 2 1.01368e+01 3.54504e+00 896 2009 3 1.85070e+01 6.44453e+00 1080 2009 4 1.01230e+01 7.23208e+00 709 2009 5 1.13300e+01 7.56259e+00 170 2009 6 1.60093e+01 1.00888e+01 448 2009 7 1.62922e+01 1.02167e+01 387 2009 8 1.29190e+01 6.79846e+00 549 2009 9 1.89556e+01 9.95479e+00 895 2009 10 1.57615e+01 5.01243e+00 859 2009 11 1.42876e+01 5.17007e+00 640 2009 12 1.26502e+01 5.72126e+00 256 2010 1 3.82718e+00 2.69102e+00 896 2010 2 2.21558e+00 3.60500e+00 841 2010 3 1.08387e+00 9.69690e-01 858 2010 4 2.25626e+00 5.88084e+00 559 2010 5 1.38970e+01 1.48737e+01 595 2010 6 1.54983e+01 6.28892e+00 525 2010 7 1.31946e+01 9.10923e+00 404 2010 8 1.88664e+01 4.17105e+00 276 2010 9 1.60873e+01 6.49028e+00 785 2010 10 1.56544e+01 5.76622e+00 1555 2010 11 1.97545e+01 7.06794e+00 1255 2010 12 1.84499e+01 8.49224e+00 1088 2011 1 1.80201e+01 3.35648e+00 708 2011 2 2.17829e+01 3.59551e+00 626 2011 3 1.77932e+01 2.97998e+00 947 2011 4 1.37847e+01 5.62662e+00 963 2011 5 1.77633e+01 8.69727e+00 785 2011 6 2.03548e+01 1.67971e+00 314 2011 7 1.54235e+01 5.07123e+00 446 2011 8 1.97915e+01 6.71292e+00 750 2011 9 2.09044e+01 6.88849e+00 838 2011 10 2.25802e+01 6.06127e+00 1088 2011 11 2.77284e+01 5.09075e+00 1123 2011 12 2.69257e+01 4.39920e+00 929 2012 1 2.22686e+01 8.47226e+00 1152 2012 2 2.87144e+01 3.07446e+00 434 2012 3 2.28032e+01 5.57190e+00 896 2012 4 2.22323e+01 4.85104e+00 944 2012 5 1.82497e+01 3.60148e+00 632 2012 6 1.35037e+01 7.89370e+00 448 2012 7 8.28855e+00 1.25531e+01 386 2012 8 1.45752e+01 1.02376e+01 306 2012 9 7.02429e+00 7.10003e+00 694 2012 10 1.30644e+01 1.44352e+01 741 2012 11 7.99171e+00 5.32055e+00 1234 2012 12 7.42230e+00 3.70693e+00 512 2013 1 1.42857e+01 8.26361e+00 661 2013 2 1.65469e+01 4.53522e+00 640 2013 3 7.39146e+00 7.39835e+00 866 2013 4 1.43635e+01 1.11121e+01 293 2013 5 9.32616e+00 4.97394e+00 557 2013 6 2.16424e+01 1.38546e+01 429 2013 7 8.18006e+00 3.59824e+00 202 2013 8 1.38040e+01 1.32027e+01 304 2013 9 1.19301e+01 1.42037e+01 666 2013 10 1.32350e+01 1.29053e+01 803 2013 11 1.35466e+01 9.42299e+00 634 2013 12 2.43727e+01 6.27535e+00 851 2014 1 1.39368e+01 6.26577e+00 652 2014 2 6.06165e+00 3.60468e+00 722 2014 3 4.52939e+00 4.49114e+00 823 2014 4 2.67940e+00 2.28748e+00 374 2014 5 2.05014e+01 2.07520e+01 115 2014 6 2.80965e+01 2.22583e+01 257 2014 7 1.40091e+01 1.01661e+01 485 2014 8 1.92011e+01 7.21132e+00 533 2014 9 2.01601e+01 5.76295e+00 506 2014 10 1.33214e+01 7.28528e+00 1404 2014 11 1.82188e+01 5.01238e+00 1022 2014 12 2.24176e+01 6.95553e+00 897 2015 1 2.13796e+01 9.26248e+00 828 2015 2 1.24866e+01 1.02442e+01 831 2015 3 5.01402e+00 5.93775e+00 478 2015 4 3.02355e+00 2.63774e+00 120 2015 5 8.83099e+00 1.20939e+01 834 2015 6 1.60706e+01 7.82356e+00 475 2015 7 2.14934e+01 1.29204e+01 236 2015 8 1.09085e+01 4.18922e+00 533 2015 9 1.25582e+01 8.19933e+00 439 2015 10 1.14599e+01 4.99065e+00 991 2015 11 1.32782e+01 8.14304e+00 904 2015 12 1.60680e+01 5.24190e+00 500 2016 1 1.71257e+01 5.59682e+00 640 2016 2 6.61783e+00 5.26795e+00 1280 2016 3 5.38602e+00 3.90136e+00 663 2016 4 8.63750e+00 1.07676e+01 556 2016 5 8.25342e+00 6.48369e+00 725 2016 6 1.35728e+01 7.65494e+00 479 2016 7 1.46719e+01 6.84633e+00 875 2016 8 1.34736e+01 8.38662e+00 737 2016 9 1.45275e+01 1.05323e+01 940 2016 10 1.38173e+01 8.01531e+00 896 2016 11 2.19379e+01 6.39419e+00 956 2016 12 2.48862e+01 4.50249e+00 713 2017 1 2.10057e+01 7.37794e+00 650 2017 2 1.56987e+01 4.54288e+00 1129 2017 3 1.63715e+01 5.48599e+00 1003 2017 4 1.53920e+01 4.18056e+00 702 2017 5 1.47851e+01 3.64876e+00 461 2017 6 2.15148e+01 7.08680e+00 445 2017 7 1.34290e+01 1.03149e+01 187 2017 8 1.67807e+01 1.04547e+01 482 2017 9 1.43706e+01 8.09832e+00 778 2017 10 5.38589e+00 4.58000e+00 886 2017 11 1.96115e+01 9.25353e+00 1209 2017 12 2.19106e+01 6.30412e+00 762 2018 1 1.63502e+01 5.03713e+00 779 2018 2 1.44558e+01 5.35107e+00 490 2018 3 1.62859e+01 7.94497e+00 813 2018 4 1.08526e+01 7.58880e+00 687 2018 5 1.08938e+01 3.79747e+00 493 2018 6 1.13127e+01 7.91076e+00 405 2018 7 2.38060e+01 1.46348e+01 338 2018 8 1.26962e+01 1.36810e+01 563 2018 9 1.88946e+01 1.34223e+01 963 2018 10 1.24503e+01 9.49376e+00 1088 2018 11 5.72867e+00 2.43250e+00 256 2018 12 3.11836e+00 2.72102e+00 697 2019 1 2.91547e+00 7.54260e+00 599 2019 2 1.41202e+01 1.01525e+01 97 2019 3 5.80576e+00 6.12008e+00 679 2019 4 2.23978e+00 2.57471e+00 494 2019 5 7.33273e+00 4.95683e+00 793 2019 6 1.95591e+01 9.08581e+00 384 2019 7 1.55661e+01 6.47353e+00 448 2019 8 1.33319e+01 8.82541e+00 752 2019 9 1.55520e+01 8.03762e+00 831 2019 10 1.52269e+01 4.53058e+00 761 2019 11 2.07527e+01 5.03187e+00 704 2019 12 1.59849e+01 7.16594e+00 486 2020 1 1.74919e+01 4.61747e+00 576 2020 2 1.76255e+01 6.87759e+00 640 2020 3 1.55348e+01 7.37679e+00 802 2020 4 8.27784e+00 3.77641e+00 553 2020 5 1.44582e+01 6.55905e+00 708 2020 6 6.87460e+00 7.79027e+00 602 2020 7 1.39656e+01 1.24681e+01 301 2020 8 1.35981e+01 3.27702e+00 120 2020 9 1.44526e+01 1.63435e+01 456 2020 10 8.42354e+00 1.04659e+01 654 2020 11 1.11050e+01 8.80277e+00 1004 2020 12 8.87802e+00 5.94634e+00 643 2021 1 3.86304e+00 3.65809e+00 659 2021 2 1.87164e+00 1.24834e+00 567 2021 3 3.49667e+00 3.52962e+00 705 2021 4 3.52749e-01 9.53987e-01 506 2021 5 8.27702e+00 8.40637e+00 604 2021 6 1.94734e+01 1.56683e+01 253 2021 7 3.45078e-01 6.19112e-01 128 2021 8 1.25809e+01 2.05142e+01 331 2021 9 8.65509e+00 1.24367e+01 533 2021 10 8.94129e+00 9.53930e+00 613 2021 11 3.22487e+00 4.77397e+00 804 2021 12 7.05515e+00 1.05140e+01 538 2022 1 3.58747e+00 3.59513e+00 878 2022 2 6.34921e+00 4.79331e+00 765 2022 3 5.43267e+00 5.13837e+00 742 2022 4 4.69984e+00 2.35954e+00 143 2022 5 7.67693e+00 9.61549e+00 440 2022 6 1.73955e+01 8.81476e+00 597 2022 7 1.58617e+01 1.35927e+01 320 2022 8 1.88446e+01 7.09612e+00 537 2022 9 2.37014e+01 1.38851e+01 411 2022 10 1.02782e+01 5.83935e+00 1331 2022 11 2.10071e+01 5.99267e+00 512 2022 12 2.06005e+01 6.85389e+00 908 2023 1 2.01654e+01 5.43226e+00 768 2023 2 1.90028e+01 4.05095e+00 555 2023 3 1.52973e+01 7.51090e+00 714 2023 4 2.14091e+01 4.35943e+00 320 2023 5 1.72548e+01 7.60504e+00 448 2023 6 2.46470e+01 4.30151e+00 384 2023 7 2.12201e+01 2.33165e+00 320 2023 8 1.72223e+01 1.08000e+01 694 2023 9 9.40680e+00 7.38596e+00 538 2023 10 1.36121e+01 5.93483e+00 759 2023 11 1.31530e+01 8.07712e+00 676 2023 12 6.73545e+00 3.29545e+00 320 2024 1 3.61986e+00 2.73105e+00 512 2024 2 5.62177e+00 6.13559e+00 467 2024 3 5.38823e+00 6.95861e+00 340 2024 4 nan nan 0