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 8.83638e+00 2.90578e+00 102 2002 8 2.37080e+01 7.34079e+00 409 2002 9 2.00884e+01 7.03849e+00 425 2002 10 1.96438e+01 8.64265e+00 797 2002 11 1.29108e+01 7.38403e+00 768 2002 12 1.65230e+01 1.11031e+01 704 2003 1 9.64660e+00 4.87651e+00 995 2003 2 1.61080e+01 6.39820e+00 512 2003 3 6.33401e-02 7.92746e-02 173 2003 4 1.72572e-01 1.87345e-01 123 2003 5 2.10793e+01 2.99263e+01 257 2003 6 2.07661e+01 2.51483e+01 276 2003 7 1.06412e+01 9.92889e+00 185 2003 8 9.77521e+00 8.99489e+00 276 2003 9 1.63391e+01 1.15350e+01 408 2003 10 1.81602e+01 1.40501e+01 960 2003 11 1.25313e+01 7.31365e+00 967 2003 12 1.57036e+01 1.03353e+01 896 2004 1 1.33517e+01 7.16418e+00 788 2004 2 1.60454e+01 7.35553e+00 448 2004 3 8.85922e+00 8.31690e+00 772 2004 4 1.16830e+01 5.98676e+00 468 2004 5 2.46149e+01 7.45798e+00 566 2004 6 2.27400e+01 9.38456e+00 416 2004 7 1.52385e+01 7.13215e+00 369 2004 8 1.84903e+01 5.09295e+00 425 2004 9 7.88693e+00 1.55604e+01 285 2004 10 1.06013e+01 1.61840e+01 170 2004 11 1.87661e+00 2.44333e+00 221 2004 12 1.78934e+00 2.75694e+00 549 2005 1 4.38691e+00 7.61906e+00 828 2005 2 4.82954e+00 4.09305e+00 635 2005 3 8.43827e+00 7.36726e+00 504 2005 4 1.59928e+01 2.73091e+01 509 2005 5 2.09803e+01 1.87615e+01 220 2005 6 1.35508e+01 1.49317e+01 401 2005 7 3.24764e+00 5.87712e+00 239 2005 8 3.92208e+00 3.31833e+00 231 2005 9 1.10966e+01 8.78689e+00 310 2005 10 1.63294e+01 1.20980e+01 848 2005 11 1.66091e+01 8.43842e+00 1001 2005 12 1.14490e+01 9.09917e+00 971 2006 1 7.53247e+00 1.29725e+01 634 2006 2 1.92545e+00 2.97277e+00 574 2006 3 6.03469e+00 1.07664e+01 1034 2006 4 7.41345e+00 6.14625e+00 313 2006 5 1.92399e+01 7.60223e+00 461 2006 6 2.80890e+01 1.15576e+01 406 2006 7 1.72534e+01 5.50959e+00 253 2006 8 2.05676e+01 6.52949e+00 279 2006 9 2.07833e+01 7.84197e+00 835 2006 10 2.23476e+01 9.57345e+00 825 2006 11 1.92243e+01 1.14887e+01 839 2006 12 3.01808e+01 5.25243e+00 576 2007 1 2.15277e+01 9.23177e+00 384 2007 2 2.69003e+01 1.20762e+01 758 2007 3 2.04347e+01 8.29276e+00 1086 2007 4 2.43687e+01 9.54466e+00 572 2007 5 2.96004e+01 9.03191e+00 166 2007 6 2.60220e+01 5.85008e+00 323 2007 7 2.88210e+01 8.38862e+00 320 2007 8 1.84298e+01 6.73879e+00 432 2007 9 1.81503e+01 4.75309e+00 547 2007 10 2.54965e+01 9.21996e+00 641 2007 11 2.70431e+01 1.23420e+01 970 2007 12 2.62993e+01 1.33201e+01 815 2008 1 2.29180e+01 1.39882e+01 640 2008 2 1.55817e+01 7.66476e+00 769 2008 3 8.21652e+00 1.13231e+01 758 2008 4 1.80728e+01 2.42498e+01 496 2008 5 1.36126e+01 1.57285e+01 491 2008 6 1.62617e+01 9.08072e+00 395 2008 7 2.23079e+01 9.24629e+00 429 2008 8 2.39127e+01 6.70310e+00 265 2008 9 1.11919e+01 1.14977e+01 548 2008 10 1.07330e+01 7.57128e+00 854 2008 11 1.94206e+01 9.41267e+00 1024 2008 12 8.19114e+00 7.25457e+00 900 2009 1 1.42380e+01 1.34189e+01 646 2009 2 1.41748e+01 9.27154e+00 960 2009 3 1.91936e+01 9.14925e+00 887 2009 4 9.27938e+00 9.45203e+00 447 2009 5 7.67266e+00 8.61058e+00 177 2009 6 1.82528e+01 6.15017e+00 189 2009 7 1.16768e+01 1.51968e+01 63 2009 8 1.97196e+01 1.93896e+01 512 2009 9 1.81118e+01 1.42144e+01 774 2009 10 1.86167e+01 5.95839e+00 757 2009 11 1.76118e+01 1.14854e+01 675 2009 12 1.66089e+01 1.21252e+01 198 2010 1 9.21329e+00 4.36310e+00 896 2010 2 3.27718e+00 3.15049e+00 704 2010 3 1.70531e+00 1.54385e+00 896 2010 4 7.17237e+00 1.00055e+01 179 2010 5 1.84110e+01 1.66094e+01 600 2010 6 1.80619e+01 1.08453e+01 576 2010 7 1.26045e+01 8.10369e+00 354 2010 8 1.71576e+01 4.67266e+00 150 2010 9 2.09051e+01 1.49686e+01 573 2010 10 1.98532e+01 6.91053e+00 1472 2010 11 1.95341e+01 6.90752e+00 1242 2010 12 1.58554e+01 1.17117e+01 986 2011 1 2.19758e+01 1.23580e+01 699 2011 2 2.60544e+01 7.57788e+00 769 2011 3 2.25576e+01 9.19279e+00 781 2011 4 2.00714e+01 8.12903e+00 903 2011 5 2.13024e+01 9.30815e+00 768 2011 6 2.30432e+01 8.02463e+00 256 2011 7 2.45995e+01 6.00396e+00 294 2011 8 2.99006e+01 7.45335e+00 528 2011 9 2.59011e+01 9.50384e+00 675 2011 10 2.25374e+01 1.14310e+01 899 2011 11 2.64966e+01 1.14754e+01 1116 2011 12 2.84450e+01 1.00988e+01 1024 2012 1 2.85395e+01 1.39276e+01 960 2012 2 1.97025e+01 1.23150e+01 293 2012 3 2.71515e+01 1.14784e+01 890 2012 4 3.00487e+01 1.08369e+01 898 2012 5 3.06089e+01 7.53754e+00 339 2012 6 2.24337e+01 3.39299e+00 192 2012 7 1.16979e+01 5.48423e+00 312 2012 8 1.07101e+01 1.45811e+01 368 2012 9 7.62656e+00 8.98623e+00 482 2012 10 1.09856e+01 2.24542e+01 544 2012 11 1.28266e+01 8.57452e+00 928 2012 12 7.94117e+00 6.38704e+00 638 2013 1 1.73374e+01 1.34756e+01 700 2013 2 1.31413e+01 6.61770e+00 576 2013 3 1.51041e+01 8.44793e+00 658 2013 4 1.07489e+01 1.74133e+01 401 2013 5 1.61560e+01 9.20314e+00 384 2013 6 2.55714e+01 2.71505e+01 375 2013 7 2.45887e+00 1.78894e+00 64 2013 8 6.94129e+00 1.51768e+01 105 2013 9 6.06919e+00 1.04700e+01 677 2013 10 1.84817e+01 1.91712e+01 901 2013 11 9.47406e+00 9.18785e+00 425 2013 12 1.51066e+01 9.45498e+00 641 2014 1 1.09732e+01 7.74842e+00 512 2014 2 1.11017e+01 7.69548e+00 704 2014 3 4.99296e+00 3.90679e+00 520 2014 4 2.21082e+00 2.28631e+00 144 2014 5 1.32556e+00 7.55917e-01 128 2014 6 6.39740e+00 1.02066e+01 256 2014 7 9.54316e+00 1.15304e+01 607 2014 8 1.62768e+01 5.35813e+00 334 2014 9 2.49253e+01 1.56825e+01 291 2014 10 1.25847e+01 1.00647e+01 1296 2014 11 1.57683e+01 8.02979e+00 1024 2014 12 2.51962e+01 1.12703e+01 538 2015 1 1.84899e+01 1.00722e+01 828 2015 2 1.95140e+01 7.33992e+00 768 2015 3 8.96873e+00 8.07616e+00 415 2015 4 1.18233e+01 7.78794e+00 84 2015 5 1.73441e+01 1.45846e+01 589 2015 6 2.11450e+01 1.16835e+01 319 2015 7 2.08673e+01 1.00888e+01 128 2015 8 1.06505e+01 9.19274e+00 415 2015 9 1.09919e+01 9.51925e+00 205 2015 10 1.35789e+01 6.14281e+00 841 2015 11 9.46915e+00 6.92321e+00 671 2015 12 1.52734e+01 1.03753e+01 465 2016 1 1.12151e+01 8.76397e+00 502 2016 2 9.17093e+00 9.44391e+00 1216 2016 3 8.58964e+00 6.47499e+00 704 2016 4 1.70345e+01 1.57925e+01 384 2016 5 1.39107e+01 9.66130e+00 700 2016 6 1.97604e+01 6.20375e+00 516 2016 7 1.74382e+01 8.33348e+00 762 2016 8 1.95302e+01 1.29325e+01 741 2016 9 8.66447e+00 4.67048e+00 800 2016 10 1.66266e+01 1.24526e+01 944 2016 11 2.42421e+01 7.54770e+00 925 2016 12 2.24394e+01 1.00600e+01 768 2017 1 2.04088e+01 1.42196e+01 576 2017 2 1.28184e+01 7.29984e+00 956 2017 3 1.79330e+01 1.40414e+01 823 2017 4 2.44920e+01 6.95298e+00 630 2017 5 1.96145e+01 6.00653e+00 450 2017 6 3.11328e+01 1.28845e+01 284 2017 7 2.16741e+01 1.65428e+01 109 2017 8 1.21093e+01 7.18257e+00 635 2017 9 1.17879e+01 8.43726e+00 604 2017 10 1.02314e+01 2.09800e+01 307 2017 11 1.40783e+01 9.80042e+00 1240 2017 12 1.97890e+01 1.01316e+01 684 2018 1 1.93663e+01 7.63630e+00 617 2018 2 1.57533e+01 8.48062e+00 576 2018 3 1.72909e+01 1.12910e+01 841 2018 4 1.73799e+01 7.68150e+00 567 2018 5 2.36434e+01 9.08186e+00 386 2018 6 2.30079e+01 9.12862e+00 256 2018 7 1.39474e+01 1.41295e+01 275 2018 8 1.41222e+01 1.93504e+01 312 2018 9 2.21073e+01 1.90058e+01 799 2018 10 1.43612e+01 1.58190e+01 1048 2018 11 6.50408e+00 5.85256e+00 295 2018 12 9.51038e+00 1.42290e+01 719 2019 1 1.36952e+00 1.83294e+00 486 2019 2 1.09963e-01 2.17216e-01 192 2019 3 7.92134e+00 7.36121e+00 618 2019 4 6.04412e+00 3.85829e+00 386 2019 5 1.45943e+01 7.30965e+00 750 2019 6 2.74106e+01 2.39600e+00 64 2019 7 2.89428e+01 9.54819e+00 258 2019 8 1.58322e+01 1.15310e+01 234 2019 9 1.91054e+01 9.41578e+00 692 2019 10 1.04796e+01 4.69063e+00 702 2019 11 1.71417e+01 8.60471e+00 896 2019 12 1.10605e+01 9.81962e+00 466 2020 1 1.49676e+01 7.78197e+00 612 2020 2 1.42235e+01 8.10940e+00 516 2020 3 1.63437e+01 1.19510e+01 566 2020 4 8.89742e+00 8.04995e+00 384 2020 5 1.46201e+01 9.55895e+00 867 2020 6 1.50318e+01 5.67991e+00 443 2020 7 2.31586e+01 1.79453e+01 297 2020 8 6.54952e+00 4.98403e+00 249 2020 9 6.41384e+00 3.97155e+00 275 2020 10 1.13493e+01 1.34690e+01 782 2020 11 4.80002e+00 4.14831e+00 952 2020 12 1.27463e+01 8.96445e+00 677 2021 1 4.99558e+00 8.49931e+00 393 2021 2 4.92380e+00 4.56974e+00 592 2021 3 3.98638e+00 6.35903e+00 454 2021 4 4.43882e+00 6.56341e+00 420 2021 5 1.10170e+01 1.15627e+01 645 2021 6 2.34431e+01 1.23785e+01 210 2021 7 1.25954e+01 1.13876e+01 116 2021 8 3.09375e+01 4.01656e+01 147 2021 9 1.68918e+00 6.85690e+00 276 2021 10 1.13516e+01 1.42482e+01 572 2021 11 8.23919e+00 9.05864e+00 960 2021 12 9.65681e+00 1.21823e+01 754 2022 1 4.83445e+00 3.84956e+00 920 2022 2 1.26838e+01 9.80292e+00 899 2022 3 1.03109e+01 6.87128e+00 878 2022 4 7.72756e-02 3.24282e-01 48 2022 5 9.89198e+00 5.66288e+00 312 2022 6 1.69859e+01 4.98293e+00 370 2022 7 2.47438e+01 1.45296e+01 386 2022 8 1.53720e+01 8.53204e+00 448 2022 9 2.03453e+01 1.46750e+01 384 2022 10 1.90242e+01 8.74284e+00 1183 2022 11 1.68159e+01 9.69780e+00 516 2022 12 1.64732e+01 1.15801e+01 870 2023 1 2.15834e+01 8.79821e+00 867 2023 2 2.57771e+01 6.39863e+00 576 2023 3 1.42756e+01 1.02413e+01 768 2023 4 1.97456e+01 1.49267e+01 384 2023 5 1.88509e+01 1.22540e+01 342 2023 6 2.92510e+01 4.62198e+00 208 2023 7 2.35501e+01 1.48918e+01 456 2023 8 2.32117e+01 2.15212e+01 329 2023 9 1.10376e+01 1.38385e+01 388 2023 10 1.61396e+01 8.31390e+00 594 2023 11 1.74187e+01 1.03493e+01 675 2023 12 8.13060e+00 6.30526e+00 272 2024 1 1.02733e+00 1.47417e+00 637 2024 2 7.28137e+00 8.43723e+00 668 2024 3 1.60487e+01 1.83536e+01 453 2024 4 nan nan 0