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 1.73103e+01 3.81186e+00 263 2002 8 1.97727e+01 5.89680e+00 545 2002 9 1.42821e+01 9.38720e+00 585 2002 10 1.35381e+01 5.20546e+00 829 2002 11 1.37804e+01 5.10165e+00 982 2002 12 7.43074e+00 4.11093e+00 678 2003 1 4.83133e+00 3.79723e+00 1088 2003 2 1.17868e+01 4.16331e+00 640 2003 3 1.27811e+00 1.59834e+00 169 2003 4 1.40077e+01 1.97471e+01 319 2003 5 1.35657e+00 9.75597e-01 64 2003 6 1.91002e+01 1.59269e+01 269 2003 7 4.55592e+00 2.27987e+00 104 2003 8 1.52418e+01 1.34095e+01 419 2003 9 1.81122e+01 1.47951e+01 634 2003 10 1.11928e+01 8.91294e+00 933 2003 11 1.28815e+01 4.62249e+00 1009 2003 12 8.36001e+00 3.62555e+00 883 2004 1 8.78385e+00 4.50337e+00 843 2004 2 1.23311e+01 5.04064e+00 192 2004 3 5.79094e+00 3.96593e+00 889 2004 4 8.78243e+00 4.39962e+00 644 2004 5 9.78716e+00 5.96212e+00 804 2004 6 1.33200e+01 4.33694e+00 397 2004 7 6.80901e+00 3.83200e+00 362 2004 8 1.36723e+01 9.56654e+00 593 2004 9 9.34585e+00 9.37604e+00 397 2004 10 2.47185e-02 1.17956e-01 235 2004 11 3.74487e+00 9.08256e+00 446 2004 12 5.32623e-01 8.49042e-01 576 2005 1 4.04750e+00 4.87247e+00 768 2005 2 2.06064e+00 1.40930e+00 512 2005 3 3.93350e+00 2.46425e+00 604 2005 4 6.76065e+00 1.05914e+01 343 2005 5 1.59000e+01 1.44785e+01 504 2005 6 1.11679e+01 1.46579e+01 431 2005 7 7.45533e+00 8.90032e+00 502 2005 8 2.47854e+01 8.29258e+00 60 2005 9 6.57194e+00 3.38517e+00 369 2005 10 9.54799e+00 6.37991e+00 1014 2005 11 1.06448e+01 3.53069e+00 1093 2005 12 1.12006e+01 4.04861e+00 1024 2006 1 7.95824e+00 4.39103e+00 892 2006 2 5.40088e+00 3.87014e+00 768 2006 3 3.67652e+00 5.15100e+00 884 2006 4 1.38744e+00 1.55514e+00 414 2006 5 1.31560e+01 7.60592e+00 827 2006 6 1.30097e+01 6.16373e+00 398 2006 7 1.23356e+01 8.16038e+00 548 2006 8 1.34200e+01 6.10026e+00 493 2006 9 1.03419e+01 4.42198e+00 704 2006 10 1.21914e+01 4.77034e+00 911 2006 11 1.53014e+01 4.65224e+00 1021 2006 12 1.27559e+01 6.85731e+00 558 2007 1 1.67884e+01 4.87955e+00 576 2007 2 1.71978e+01 6.31829e+00 832 2007 3 1.54045e+01 4.13657e+00 1210 2007 4 1.33168e+01 5.93806e+00 765 2007 5 1.86400e+01 4.02894e+00 472 2007 6 1.59718e+01 2.89897e+00 573 2007 7 1.18005e+01 2.86750e+00 497 2007 8 1.22396e+01 6.42556e+00 510 2007 9 1.12578e+01 4.35143e+00 694 2007 10 1.69610e+01 3.56527e+00 761 2007 11 2.05455e+01 3.28156e+00 1216 2007 12 1.83806e+01 7.17648e+00 837 2008 1 1.82924e+01 5.95035e+00 897 2008 2 1.77866e+01 4.54769e+00 1108 2008 3 1.14068e+01 9.81147e+00 905 2008 4 6.16011e+00 9.84261e+00 677 2008 5 5.91512e+00 5.94598e+00 635 2008 6 8.58717e+00 7.73498e+00 391 2008 7 1.32437e+01 5.96137e+00 430 2008 8 1.00855e+01 2.62443e+00 369 2008 9 8.23292e+00 6.30600e+00 882 2008 10 6.64499e+00 4.21574e+00 1033 2008 11 9.47665e+00 3.90933e+00 1021 2008 12 4.69807e+00 3.23855e+00 785 2009 1 5.92339e+00 3.67208e+00 704 2009 2 7.09248e+00 2.50718e+00 1009 2009 3 1.37330e+01 4.45071e+00 958 2009 4 8.12790e+00 5.40751e+00 563 2009 5 6.81073e+00 6.25186e+00 228 2009 6 1.23630e+01 8.37023e+00 574 2009 7 1.30099e+01 8.77100e+00 384 2009 8 9.45211e+00 4.82009e+00 568 2009 9 1.36739e+01 9.22737e+00 812 2009 10 1.19969e+01 4.98239e+00 745 2009 11 1.19556e+01 4.37478e+00 695 2009 12 8.04883e+00 3.67493e+00 256 2010 1 2.63984e+00 1.92614e+00 960 2010 2 2.83584e+00 5.07083e+00 744 2010 3 1.58627e+00 2.94788e+00 932 2010 4 1.02552e+00 1.64484e+00 517 2010 5 9.89703e+00 1.36043e+01 642 2010 6 1.07733e+01 4.63539e+00 576 2010 7 9.82359e+00 6.79622e+00 420 2010 8 1.32473e+01 6.56569e+00 424 2010 9 1.06352e+01 6.31210e+00 768 2010 10 1.09064e+01 5.11502e+00 1583 2010 11 1.55121e+01 4.82894e+00 1190 2010 12 1.46854e+01 6.27730e+00 1079 2011 1 1.55034e+01 3.03534e+00 832 2011 2 1.42920e+01 3.56325e+00 748 2011 3 1.31385e+01 3.40504e+00 877 2011 4 1.22745e+01 4.59810e+00 1037 2011 5 1.23010e+01 6.44447e+00 704 2011 6 1.39938e+01 2.53371e+00 308 2011 7 1.17835e+01 4.31847e+00 389 2011 8 1.42252e+01 6.48759e+00 660 2011 9 1.61153e+01 6.65467e+00 792 2011 10 1.75372e+01 5.54705e+00 1022 2011 11 2.28978e+01 4.56765e+00 1110 2011 12 2.32151e+01 4.44178e+00 1009 2012 1 1.96556e+01 6.69467e+00 1307 2012 2 2.29333e+01 4.23557e+00 432 2012 3 1.80198e+01 4.48591e+00 853 2012 4 1.60430e+01 3.98219e+00 1024 2012 5 1.52042e+01 3.66757e+00 495 2012 6 1.18962e+01 8.15612e+00 443 2012 7 8.22072e+00 8.77726e+00 406 2012 8 8.15003e+00 8.57871e+00 321 2012 9 6.60988e+00 9.02348e+00 448 2012 10 1.22379e+01 1.39091e+01 904 2012 11 5.29035e+00 3.75037e+00 982 2012 12 4.63268e+00 2.76875e+00 739 2013 1 1.08615e+01 6.62022e+00 704 2013 2 1.27836e+01 4.68305e+00 696 2013 3 7.50087e+00 6.73624e+00 763 2013 4 8.92169e+00 1.02475e+01 399 2013 5 6.70516e+00 4.78272e+00 546 2013 6 1.66086e+01 1.42503e+01 480 2013 7 7.37329e+00 4.19319e+00 132 2013 8 2.85790e+00 3.79299e+00 193 2013 9 1.20429e+01 1.53074e+01 757 2013 10 1.40879e+01 1.21033e+01 964 2013 11 9.17915e+00 5.04890e+00 528 2013 12 1.55779e+01 8.34390e+00 724 2014 1 1.26340e+01 2.87959e+00 466 2014 2 4.28456e+00 2.75553e+00 701 2014 3 2.96539e+00 4.19107e+00 681 2014 4 2.79873e+00 2.55928e+00 367 2014 5 1.38099e+01 1.48529e+01 142 2014 6 2.27941e+01 1.98131e+01 312 2014 7 1.02969e+01 8.17206e+00 547 2014 8 1.46051e+01 5.61159e+00 384 2014 9 1.63811e+01 6.86236e+00 579 2014 10 9.58404e+00 6.50965e+00 1408 2014 11 1.35278e+01 5.24864e+00 1017 2014 12 1.72843e+01 5.93066e+00 848 2015 1 1.62496e+01 6.73192e+00 820 2015 2 1.03831e+01 7.19943e+00 704 2015 3 5.33074e+00 6.48034e+00 508 2015 4 4.27017e+00 4.70582e+00 192 2015 5 7.94656e+00 1.03533e+01 808 2015 6 1.30672e+01 5.52112e+00 405 2015 7 9.63974e+00 1.09780e+01 229 2015 8 8.32311e+00 3.68920e+00 513 2015 9 7.97901e+00 6.78077e+00 260 2015 10 6.94968e+00 3.49282e+00 857 2015 11 7.93457e+00 5.58788e+00 788 2015 12 1.22505e+01 4.33958e+00 506 2016 1 1.30401e+01 4.27897e+00 704 2016 2 5.91330e+00 5.38484e+00 1175 2016 3 4.31338e+00 2.48816e+00 737 2016 4 7.25521e+00 1.04803e+01 485 2016 5 3.92248e+00 3.20827e+00 676 2016 6 6.93417e+00 4.40210e+00 533 2016 7 6.20352e+00 4.39875e+00 800 2016 8 1.01085e+01 6.76729e+00 765 2016 9 8.51893e+00 1.15888e+01 863 2016 10 1.27776e+01 5.84260e+00 988 2016 11 1.56361e+01 4.93273e+00 870 2016 12 1.90655e+01 3.57548e+00 776 2017 1 1.78064e+01 5.57882e+00 711 2017 2 1.06799e+01 4.00894e+00 1108 2017 3 1.13850e+01 4.54709e+00 1220 2017 4 8.43449e+00 2.56577e+00 825 2017 5 7.85277e+00 3.38041e+00 532 2017 6 1.48945e+01 6.73866e+00 447 2017 7 1.50792e+01 5.27418e+00 190 2017 8 1.20212e+01 9.43771e+00 573 2017 9 9.51423e+00 6.17253e+00 760 2017 10 2.81646e+00 4.25527e+00 801 2017 11 1.36739e+01 7.31911e+00 1190 2017 12 1.44287e+01 5.62929e+00 756 2018 1 1.40691e+01 3.93404e+00 812 2018 2 1.19069e+01 4.09090e+00 508 2018 3 1.11929e+01 5.61419e+00 834 2018 4 6.94678e+00 4.89192e+00 606 2018 5 8.27730e+00 5.97947e+00 492 2018 6 6.38747e+00 4.31844e+00 256 2018 7 1.94036e+01 1.29498e+01 321 2018 8 1.07817e+01 8.60323e+00 470 2018 9 1.73115e+01 1.30656e+01 835 2018 10 1.17873e+01 1.00277e+01 1165 2018 11 7.54127e+00 6.50354e+00 334 2018 12 2.83498e+00 2.05526e+00 704 2019 1 2.80977e+00 7.20595e+00 662 2019 2 1.01146e+01 1.15100e+01 303 2019 3 4.33687e+00 5.52335e+00 678 2019 4 1.24006e+00 1.11065e+00 362 2019 5 5.84462e+00 4.13551e+00 829 2019 6 1.56148e+01 6.63207e+00 257 2019 7 1.24927e+01 4.98175e+00 442 2019 8 1.08155e+01 9.27619e+00 637 2019 9 1.26845e+01 6.22382e+00 851 2019 10 1.08180e+01 5.20159e+00 850 2019 11 1.44289e+01 4.35628e+00 709 2019 12 1.14205e+01 6.17572e+00 527 2020 1 1.22602e+01 4.16945e+00 539 2020 2 1.32906e+01 5.20196e+00 543 2020 3 9.61971e+00 6.07241e+00 709 2020 4 5.33107e+00 1.94515e+00 684 2020 5 7.29335e+00 4.03231e+00 687 2020 6 6.32380e+00 4.70762e+00 639 2020 7 1.15538e+01 1.08054e+01 405 2020 8 5.07603e+00 5.00560e+00 198 2020 9 1.57381e+01 1.67394e+01 513 2020 10 7.95020e+00 8.85600e+00 992 2020 11 7.09893e+00 7.22929e+00 951 2020 12 6.75058e+00 4.59324e+00 672 2021 1 2.74464e+00 2.24320e+00 576 2021 2 8.19332e-01 5.72088e-01 384 2021 3 1.55759e+00 2.36340e+00 679 2021 4 2.65363e-01 5.60146e-01 437 2021 5 3.69922e+00 5.51309e+00 653 2021 6 1.68895e+01 1.50764e+01 244 2021 7 6.61655e+00 8.09785e+00 245 2021 8 9.11977e+00 1.63967e+01 451 2021 9 8.52989e+00 1.20645e+01 531 2021 10 7.63262e+00 9.60068e+00 699 2021 11 1.72620e+00 3.10247e+00 798 2021 12 5.89296e+00 9.84476e+00 488 2022 1 2.11620e+00 2.25460e+00 971 2022 2 4.11207e+00 3.04347e+00 834 2022 3 3.29836e+00 3.36028e+00 767 2022 4 1.66290e+01 1.06231e+01 192 2022 5 1.01210e+01 1.18191e+01 586 2022 6 1.08492e+01 4.71078e+00 567 2022 7 1.48991e+01 1.07490e+01 369 2022 8 1.66730e+01 6.88531e+00 434 2022 9 1.93294e+01 1.03455e+01 444 2022 10 6.55604e+00 4.05155e+00 1340 2022 11 1.34046e+01 5.98630e+00 534 2022 12 1.33255e+01 5.19044e+00 1026 2023 1 1.30367e+01 4.57373e+00 851 2023 2 1.45004e+01 3.03043e+00 718 2023 3 1.14119e+01 5.47074e+00 728 2023 4 1.19845e+01 5.06186e+00 398 2023 5 1.07945e+01 5.21854e+00 448 2023 6 1.56574e+01 5.49751e+00 344 2023 7 1.28325e+01 2.97176e+00 446 2023 8 1.32189e+01 1.02513e+01 738 2023 9 8.65604e+00 6.30018e+00 601 2023 10 9.31458e+00 5.39521e+00 779 2023 11 1.07768e+01 5.87548e+00 704 2023 12 7.62558e+00 5.44094e+00 313 2024 1 3.06192e+00 2.55394e+00 557 2024 2 3.32635e+00 3.22334e+00 490 2024 3 1.54553e+00 1.35935e+00 194 2024 4 nan nan 0