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 1.08122e+00 4.09216e-01 184 2002 8 1.25455e+00 3.05890e-01 530 2002 9 1.55559e+00 5.02707e-01 574 2002 10 1.40729e+00 4.53377e-01 753 2002 11 1.59937e+00 4.99536e-01 939 2002 12 1.28863e+00 6.63551e-01 644 2003 1 1.61030e+00 4.09250e-01 949 2003 2 1.27056e+00 4.61145e-01 540 2003 3 7.81560e+00 4.82635e+00 195 2003 4 5.10272e+00 2.18681e+00 79 2003 5 6.53064e+00 6.61941e+00 236 2003 6 2.13112e+00 1.21149e+00 392 2003 7 4.01265e+00 2.43103e+00 192 2003 8 4.10617e+00 4.21522e+00 429 2003 9 2.18805e+00 1.25049e+00 456 2003 10 3.33972e+00 1.90394e+00 1040 2003 11 1.86133e+00 1.62688e+00 934 2003 12 1.34238e+00 6.22604e-01 960 2004 1 1.74084e+00 1.57030e+00 894 2004 2 1.13915e+00 2.74614e-01 448 2004 3 2.43178e+00 1.41736e+00 771 2004 4 9.53964e-01 4.02441e-01 566 2004 5 7.78532e-01 3.03272e-01 589 2004 6 1.79596e+00 1.31974e+00 497 2004 7 1.31898e+00 5.20886e-01 319 2004 8 1.79760e+00 9.82984e-01 580 2004 9 3.07269e+00 1.85456e+00 314 2004 10 1.01566e+01 5.80675e+00 158 2004 11 1.64838e+01 1.12495e+01 417 2004 12 8.47535e+00 8.20433e+00 520 2005 1 7.23020e+00 7.93031e+00 796 2005 2 4.50296e+00 3.03248e+00 631 2005 3 2.36906e+00 1.14734e+00 576 2005 4 3.93743e+00 2.08803e+00 503 2005 5 4.89354e+00 4.74066e+00 345 2005 6 4.01615e+00 1.79950e+00 328 2005 7 3.91619e+00 4.09643e+00 435 2005 8 7.20986e+00 2.40435e+00 158 2005 9 5.05241e+00 2.52751e+00 256 2005 10 2.94904e+00 1.36429e+00 1032 2005 11 1.49189e+00 5.10457e-01 1069 2005 12 1.37406e+00 8.34853e-01 1067 2006 1 3.31135e+00 1.67137e+00 768 2006 2 4.15688e+00 5.91650e+00 765 2006 3 3.72587e+00 1.68785e+00 1124 2006 4 1.46644e+00 7.27338e-01 383 2006 5 7.39916e-01 3.06570e-01 529 2006 6 1.19951e+00 7.04881e-01 450 2006 7 1.51101e+00 3.97003e-01 314 2006 8 1.60784e+00 5.20930e-01 449 2006 9 1.36969e+00 5.32095e-01 866 2006 10 1.38773e+00 7.82060e-01 896 2006 11 9.24401e-01 3.20436e-01 960 2006 12 6.97790e-01 2.03755e-01 561 2007 1 5.77316e-01 2.53447e-01 384 2007 2 4.98978e-01 2.22756e-01 706 2007 3 6.06125e-01 2.83002e-01 1141 2007 4 7.75523e-01 5.03443e-01 702 2007 5 5.04050e-01 1.83341e-01 317 2007 6 8.12405e-01 2.45110e-01 446 2007 7 1.01946e+00 2.40199e-01 339 2007 8 1.48256e+00 4.77210e-01 499 2007 9 2.29588e+00 5.65929e-01 677 2007 10 1.39896e+00 4.18201e-01 640 2007 11 9.33987e-01 7.01240e-01 1089 2007 12 1.11018e+00 7.26817e-01 896 2008 1 6.60637e-01 5.13301e-01 645 2008 2 9.75796e-01 5.60069e-01 934 2008 3 4.36310e+00 4.32777e+00 782 2008 4 2.78115e+00 2.43269e+00 686 2008 5 3.00575e+00 1.07253e+00 556 2008 6 2.75663e+00 1.09124e+00 405 2008 7 1.87989e+00 8.77057e-01 445 2008 8 1.54784e+00 1.13875e+00 333 2008 9 5.43990e+00 4.99415e+00 827 2008 10 3.38020e+00 2.32357e+00 952 2008 11 9.81995e-01 3.99579e-01 1040 2008 12 3.26650e+00 3.82396e+00 941 2009 1 1.92908e+00 4.82896e-01 704 2009 2 1.30859e+00 3.71938e-01 974 2009 3 9.41920e-01 3.11726e-01 929 2009 4 2.71779e+00 2.99937e+00 405 2009 5 5.14927e+00 5.52170e+00 292 2009 6 1.39466e+00 4.59739e-01 510 2009 7 3.22574e+00 4.61123e+00 197 2009 8 3.17826e+00 1.69788e+00 512 2009 9 2.47285e+00 2.00040e+00 987 2009 10 1.46019e+00 9.32214e-01 812 2009 11 9.80774e-01 4.43436e-01 774 2009 12 9.48060e-01 4.60179e-01 256 2010 1 1.82220e+00 6.86215e-01 838 2010 2 2.89797e+00 1.17221e+00 684 2010 3 4.30181e+00 2.02658e+00 929 2010 4 6.20213e+00 4.38570e+00 328 2010 5 2.21716e+00 9.49763e-01 538 2010 6 1.76716e+00 6.83292e-01 514 2010 7 1.88725e+00 7.99545e-01 405 2010 8 2.73501e+00 1.46683e+00 318 2010 9 2.03983e+00 9.33637e-01 753 2010 10 1.07864e+00 4.14057e-01 1472 2010 11 9.07547e-01 4.73898e-01 1232 2010 12 8.53034e-01 5.50886e-01 1088 2011 1 5.91885e-01 2.10900e-01 661 2011 2 4.83055e-01 1.00041e-01 739 2011 3 4.69368e-01 1.68484e-01 813 2011 4 4.92774e-01 2.05336e-01 929 2011 5 6.91528e-01 2.33705e-01 896 2011 6 8.67375e-01 2.79642e-01 256 2011 7 1.66256e+00 7.93553e-01 343 2011 8 1.25872e+00 6.73041e-01 530 2011 9 1.39662e+00 4.80443e-01 743 2011 10 8.82361e-01 4.63217e-01 1013 2011 11 5.39130e-01 2.38306e-01 1212 2011 12 5.27595e-01 2.14894e-01 1080 2012 1 5.32200e-01 2.38120e-01 988 2012 2 5.41696e-01 1.59901e-01 237 2012 3 5.27187e-01 2.10589e-01 862 2012 4 6.00902e-01 2.11175e-01 889 2012 5 8.51849e-01 1.98799e-01 410 2012 6 1.58531e+00 3.65876e-01 145 2012 7 3.21979e+00 2.10526e+00 480 2012 8 1.18000e+01 1.03421e+01 267 2012 9 8.27065e+00 6.27511e+00 494 2012 10 4.53011e+00 1.67412e+00 747 2012 11 3.22564e+00 3.13657e+00 1016 2012 12 2.90718e+00 1.37305e+00 759 2013 1 1.50842e+00 7.43419e-01 643 2013 2 1.05783e+00 2.32004e-01 643 2013 3 9.61440e-01 3.52174e-01 704 2013 4 4.43604e+00 2.08788e+00 474 2013 5 4.01636e+00 3.11290e+00 576 2013 6 3.92113e+00 1.33328e+00 384 2013 7 9.34483e+00 7.54401e+00 64 2013 8 1.09123e+01 9.88716e+00 208 2013 9 1.12615e+01 8.30172e+00 558 2013 10 3.79403e+00 2.23761e+00 918 2013 11 4.11025e+00 3.53709e+00 337 2013 12 1.58368e+00 7.24663e-01 763 2014 1 1.17595e+00 3.28017e-01 545 2014 2 1.94462e+00 1.53348e+00 678 2014 3 4.15985e+00 1.48657e+00 634 2014 4 5.66247e+00 4.29775e+00 356 2014 5 1.35102e+01 7.03829e+00 128 2014 6 9.73048e+00 9.02759e+00 256 2014 7 5.41012e+00 2.91552e+00 585 2014 8 2.48043e+00 8.85981e-01 448 2014 9 3.94745e+00 1.27048e+00 351 2014 10 5.52118e+00 5.20534e+00 1246 2014 11 8.63142e-01 3.48733e-01 1022 2014 12 2.41708e+00 2.50694e+00 576 2015 1 1.63416e+00 2.38880e+00 832 2015 2 1.61764e+00 2.39153e+00 768 2015 3 6.89442e+00 4.56899e+00 455 2015 4 5.34521e+00 6.80493e+00 247 2015 5 1.94224e+00 1.38758e+00 771 2015 6 1.48523e+00 7.21954e-01 420 2015 7 2.44564e+00 1.81562e+00 130 2015 8 3.52313e+00 1.51586e+00 417 2015 9 5.13010e+00 1.95945e+00 295 2015 10 1.76563e+00 7.93459e-01 832 2015 11 2.95194e+00 1.56510e+00 768 2015 12 1.02616e+00 5.64708e-01 512 2016 1 1.32998e+00 6.39985e-01 640 2016 2 2.11726e+00 1.21575e+00 1171 2016 3 1.73825e+00 5.91404e-01 749 2016 4 3.02772e+00 1.76963e+00 470 2016 5 2.12318e+00 8.28698e-01 703 2016 6 1.28608e+00 4.72982e-01 657 2016 7 1.14910e+00 7.32054e-01 939 2016 8 2.08464e+00 1.11373e+00 791 2016 9 2.89740e+00 1.30367e+00 767 2016 10 1.23029e+00 6.36005e-01 1064 2016 11 6.50393e-01 3.82738e-01 917 2016 12 6.50482e-01 2.02820e-01 865 2017 1 7.88973e-01 4.48710e-01 673 2017 2 2.12143e+00 1.59061e+00 1054 2017 3 1.36243e+00 1.38772e+00 1024 2017 4 7.90435e-01 2.51291e-01 832 2017 5 9.42788e-01 2.94142e-01 627 2017 6 1.35937e+00 5.56057e-01 359 2017 7 2.30572e+00 5.75806e-01 275 2017 8 3.81680e+00 2.48792e+00 633 2017 9 4.72583e+00 5.14901e+00 512 2017 10 1.14653e+01 8.52118e+00 436 2017 11 3.16411e+00 3.30668e+00 1271 2017 12 1.52741e+00 6.83164e-01 654 2018 1 7.08171e-01 2.30630e-01 704 2018 2 7.92226e-01 6.27656e-01 584 2018 3 6.85365e-01 2.63715e-01 800 2018 4 1.20497e+00 5.65144e-01 664 2018 5 9.56591e-01 4.68311e-01 503 2018 6 2.33573e+00 1.05409e+00 308 2018 7 6.09208e+00 3.97415e+00 230 2018 8 6.09321e+00 8.19348e+00 450 2018 9 3.17007e+00 1.83581e+00 832 2018 10 3.64052e+00 4.13521e+00 1021 2018 11 1.86257e+00 6.20720e-01 390 2018 12 3.48534e+00 2.41466e+00 832 2019 1 7.86521e+00 6.04921e+00 705 2019 2 6.67026e+00 3.09024e+00 264 2019 3 4.31536e+00 2.37192e+00 711 2019 4 3.74569e+00 2.49929e+00 396 2019 5 1.65107e+00 7.22501e-01 773 2019 6 1.56414e+00 6.36373e-01 147 2019 7 1.51250e+00 5.08504e-01 243 2019 8 4.94211e+00 3.77501e+00 456 2019 9 1.50056e+00 8.73146e-01 887 2019 10 2.16647e+00 1.31486e+00 705 2019 11 9.49019e-01 6.25828e-01 896 2019 12 1.06219e+00 4.37139e-01 616 2020 1 9.36234e-01 4.41134e-01 787 2020 2 1.01647e+00 4.81066e-01 576 2020 3 1.99675e+00 2.55270e+00 718 2020 4 1.52489e+00 7.25806e-01 476 2020 5 2.04238e+00 1.30698e+00 598 2020 6 2.02448e+00 2.16726e+00 517 2020 7 1.40009e+00 7.31908e-01 289 2020 8 4.27107e+00 4.35571e+00 299 2020 9 3.50341e+00 3.24282e+00 337 2020 10 3.50055e+00 2.35999e+00 836 2020 11 3.01888e+00 1.64009e+00 965 2020 12 1.23415e+00 7.10157e-01 951 2021 1 1.25713e+00 6.04132e-01 658 2021 2 3.16704e+00 1.25587e+00 449 2021 3 5.41527e+00 4.89398e+00 426 2021 4 4.93660e+00 4.38048e+00 669 2021 5 2.41962e+00 1.17182e+00 765 2021 6 1.32907e+00 5.54289e-01 214 2021 7 2.77860e+00 1.57813e+00 337 2021 8 4.71946e+00 5.06782e+00 256 2021 9 1.06257e+01 9.11196e+00 574 2021 10 7.09143e+00 7.57931e+00 736 2021 11 2.96023e+00 1.29701e+00 959 2021 12 2.46680e+00 1.11351e+00 687 2022 1 2.10253e+00 1.11126e+00 908 2022 2 2.03758e+00 1.49439e+00 960 2022 3 1.70807e+00 9.13725e-01 729 2022 4 7.02557e+00 4.20838e+00 143 2022 5 2.83488e+00 1.41518e+00 512 2022 6 2.71900e+00 1.49163e+00 458 2022 7 1.90702e+00 1.36290e+00 560 2022 8 2.86776e+00 1.40295e+00 390 2022 9 5.34665e+00 7.85326e+00 414 2022 10 1.14909e+00 7.87762e-01 1150 2022 11 2.44155e+00 2.68305e+00 505 2022 12 1.15717e+00 4.45273e-01 920 2023 1 7.77875e-01 2.92671e-01 853 2023 2 1.11026e+00 3.97607e-01 666 2023 3 2.08892e+00 6.46491e-01 704 2023 4 2.69489e+00 1.37249e+00 384 2023 5 1.97011e+00 5.30008e-01 324 2023 6 1.23855e+00 5.36631e-01 342 2023 7 4.12575e+00 3.20828e+00 576 2023 8 4.49468e+00 2.88432e+00 537 2023 9 4.80569e+00 6.95130e+00 560 2023 10 5.63881e+00 7.88489e+00 736 2023 11 1.06151e+00 4.35497e-01 768 2023 12 1.56385e+00 6.81282e-01 356 2024 1 8.07459e+00 6.23900e+00 522 2024 2 6.29701e+00 4.50027e+00 692 2024 3 3.14050e+00 1.05374e+00 434 2024 4 nan nan 0