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 2.00339e+00 6.80086e-01 512 2002 8 2.35020e+00 7.88010e+00 390 2002 9 3.72966e+00 2.98129e+00 757 2002 10 3.27478e+00 1.35030e+00 625 2002 11 4.63890e+00 3.34108e+00 511 2002 12 2.21471e+00 4.79312e-01 576 2003 1 1.98872e+00 5.51819e-01 669 2003 2 5.20455e+00 4.48341e+00 504 2003 3 2.44384e+00 2.01708e+00 720 2003 4 2.30805e+00 1.05374e+00 421 2003 5 1.53358e+00 4.51054e-01 407 2003 6 2.01828e+00 1.25087e+00 436 2003 7 1.43227e+00 5.67778e-01 775 2003 8 1.10570e+00 6.20339e-01 834 2003 9 1.25830e+00 6.78032e-01 1126 2003 10 5.62066e+00 1.05109e+01 527 2003 11 4.20698e+00 2.49314e+00 596 2003 12 4.56094e+00 1.65176e+00 533 2004 1 2.59775e+00 2.40928e+00 528 2004 2 1.69953e+00 4.71126e-01 853 2004 3 7.96622e+00 6.56305e+00 703 2004 4 6.77385e+00 6.23767e+00 408 2004 5 2.39176e+00 1.53138e+00 463 2004 6 1.77330e+00 1.52075e+00 545 2004 7 9.32885e-01 3.55840e-01 380 2004 8 1.27286e+00 3.02013e-01 640 2004 9 1.76739e+00 9.14366e-01 884 2004 10 3.08568e+00 2.69455e+00 637 2004 11 3.66255e+00 1.55934e+00 757 2004 12 2.08903e+00 2.61113e-01 423 2005 1 2.76692e+00 7.43662e-01 320 2005 2 1.95148e+00 1.75997e-01 531 2005 3 3.30228e+00 3.47376e+00 1019 2005 4 4.76823e+00 7.19159e+00 763 2005 5 3.55764e+00 1.87436e+00 384 2005 6 3.03377e+00 1.43056e+00 404 2005 7 2.13490e+00 1.11384e+00 511 2005 8 1.64689e+00 6.14498e-01 635 2005 9 1.79457e+00 1.03656e+00 1232 2005 10 2.83030e+00 1.93134e+00 574 2005 11 4.23904e+00 3.13550e+00 456 2005 12 2.23225e+00 2.70302e-01 637 2006 1 2.51491e+00 8.02590e-01 741 2006 2 3.20326e+00 2.42881e+00 701 2006 3 2.97781e+00 1.51238e+00 896 2006 4 2.81398e+00 3.36707e+00 721 2006 5 1.81589e+00 7.52870e-01 384 2006 6 1.06948e+00 3.77757e-01 448 2006 7 1.30262e+00 2.44019e-01 560 2006 8 1.74754e+00 1.20991e+00 831 2006 9 1.59704e+00 1.15920e+00 679 2006 10 2.21328e+00 1.74095e+00 916 2006 11 2.73116e+00 6.10465e-01 384 2006 12 2.76119e+00 9.01786e-01 517 2007 1 3.13409e+00 1.02435e+00 629 2007 2 3.98608e+00 2.59166e+00 825 2007 3 3.11611e+00 1.48335e+00 924 2007 4 3.32715e+00 8.25221e-01 384 2007 5 2.05887e+00 9.94046e-01 629 2007 6 3.63272e+00 3.95972e+00 450 2007 7 1.67469e+00 5.30207e-01 544 2007 8 3.03271e+00 4.18282e+00 614 2007 9 4.11420e+00 9.08464e+00 964 2007 10 3.64478e+00 2.70576e+00 667 2007 11 3.92380e+00 2.31340e+00 600 2007 12 2.33646e+00 2.80981e-01 320 2008 1 3.87888e+00 2.94496e+00 453 2008 2 2.11426e+00 9.00752e-01 634 2008 3 3.05495e+00 1.26013e+00 883 2008 4 2.58381e+00 1.30199e+00 527 2008 5 4.54368e+00 7.53817e+00 608 2008 6 3.15827e+00 4.13845e+00 612 2008 7 1.37328e+00 5.33622e-01 530 2008 8 2.07152e+00 1.63393e+00 886 2008 9 2.58183e+00 2.71746e+00 737 2008 10 2.75225e+00 1.48635e+00 787 2008 11 5.71598e+00 7.43771e+00 507 2008 12 2.66365e+00 1.00010e+00 510 2009 1 3.20977e+00 6.84458e+00 836 2009 2 1.89459e+00 8.62781e-01 739 2009 3 4.73604e+00 4.58420e+00 576 2009 4 6.00408e+00 9.48813e+00 707 2009 5 2.59507e+00 2.08367e+00 383 2009 6 6.06571e+00 9.38370e+00 247 2009 7 1.85014e+00 1.31214e+00 751 2009 8 1.12964e+00 4.22834e-01 540 2009 9 3.60716e+00 4.77609e+00 835 2009 10 2.47724e+00 1.21181e+00 544 2009 11 1.01125e+01 1.70590e+01 399 2009 12 3.09048e+00 1.08910e+00 592 2010 1 2.87891e+00 1.59833e+00 830 2010 2 3.59467e+00 1.80865e+00 681 2010 3 3.42943e+00 1.69823e+00 700 2010 4 5.73076e+00 1.05374e+01 602 2010 5 1.90744e+00 9.90710e-01 786 2010 6 1.81964e+00 6.94620e-01 364 2010 7 1.56872e+00 8.33108e-01 701 2010 8 2.42197e+00 8.21070e-01 678 2010 9 2.52166e+00 2.31286e+00 839 2010 10 2.67763e+00 6.43673e-01 634 2010 11 3.63627e+00 8.02307e-01 384 2010 12 1.94940e+00 6.50991e-01 563 2011 1 2.58495e+00 7.46383e-01 640 2011 2 2.21104e+00 7.27401e-01 661 2011 3 5.45302e+00 4.51295e+00 896 2011 4 1.68178e+00 8.82006e-01 448 2011 5 3.02803e+00 1.55812e+00 318 2011 6 2.13128e+00 2.18077e+00 487 2011 7 1.42348e+00 7.18516e-01 775 2011 8 2.22496e+00 5.13511e+00 798 2011 9 1.83138e+00 1.32710e+00 820 2011 10 3.77048e+00 3.65028e+00 814 2011 11 3.80478e+00 2.53159e+00 512 2011 12 2.70545e+00 6.70143e-01 462 2012 1 1.68714e+00 4.93203e-01 917 2012 2 2.68101e+00 1.29208e+00 764 2012 3 2.73814e+00 1.70341e+00 768 2012 4 1.96157e+00 1.20620e+00 920 2012 5 1.84873e+00 5.10648e-01 448 2012 6 2.18037e+00 3.14396e+00 646 2012 7 1.90058e+00 8.32755e-01 576 2012 8 2.22193e+00 1.25826e+00 550 2012 9 2.62113e+00 2.34317e+00 840 2012 10 2.61378e+00 1.67168e+00 540 2012 11 3.86121e+00 1.81925e+00 561 2012 12 5.42151e+00 1.92987e+00 384 2013 1 3.76268e+00 1.05140e+00 463 2013 2 2.19020e+00 5.68163e-01 552 2013 3 1.90525e+00 4.81584e-01 448 2013 4 2.52122e+00 8.16531e-01 987 2013 5 1.53294e+00 6.98896e-01 553 2013 6 2.03757e+00 4.84756e-01 508 2013 7 1.64926e+00 1.08638e+00 394 2013 8 2.59035e+00 1.08795e+00 647 2013 9 2.68608e+00 1.22919e+00 896 2013 10 1.84534e+00 1.16768e+00 611 2013 11 6.44978e+00 3.95952e+00 764 2013 12 2.45260e+00 8.86602e-01 202 2014 1 2.28995e+00 7.42461e-01 704 2014 2 1.80099e+00 3.37827e-01 576 2014 3 3.69001e+00 1.51760e+00 640 2014 4 4.86338e+00 6.47661e+00 576 2014 5 1.74773e+00 1.07172e+00 714 2014 6 2.52359e+00 3.28063e+00 704 2014 7 1.86443e+00 9.83040e-01 585 2014 8 2.24771e+00 1.96755e+00 867 2014 9 1.45070e+00 4.83772e-01 912 2014 10 1.55463e+00 7.75693e-01 761 2014 11 3.76341e+00 3.13137e+00 705 2014 12 2.89812e+00 1.77936e+00 275 2015 1 3.65609e+00 1.61465e+00 651 2015 2 2.59297e+00 1.05183e+00 512 2015 3 3.28261e+00 9.93781e-01 706 2015 4 1.52506e+00 7.56781e-01 704 2015 5 1.87527e+00 1.52785e+00 509 2015 6 1.61236e+00 1.27662e+00 265 2015 7 2.28752e+00 3.02492e+00 523 2015 8 1.04589e+00 7.69425e-01 849 2015 9 2.27769e+00 2.79305e+00 898 2015 10 4.99578e+00 3.38108e+00 556 2015 11 4.12197e+00 1.42277e+00 704 2015 12 3.01693e+00 4.70975e-01 512 2016 1 4.11393e+00 8.15729e-01 541 2016 2 3.41285e+00 1.13817e+00 640 2016 3 2.51548e+00 1.27781e+00 448 2016 4 2.61373e+00 1.16010e+00 688 2016 5 2.38899e+00 1.81172e+00 285 2016 6 2.07658e+00 5.03194e-01 627 2016 7 1.38946e+00 9.05936e-01 769 2016 8 1.41665e+00 6.24432e-01 922 2016 9 5.57298e+00 6.42000e+00 640 2016 10 3.31538e+00 4.15488e+00 768 2016 11 4.40971e+00 1.23180e+00 832 2016 12 6.05692e+00 4.19722e+00 717 2017 1 3.71733e+00 1.55838e+00 556 2017 2 1.83378e+00 3.19256e-01 640 2017 3 1.86388e+00 4.91030e-01 895 2017 4 3.42068e+00 3.22257e+00 415 2017 5 6.41961e+00 1.03326e+01 420 2017 6 2.78972e+00 1.88164e+00 548 2017 7 2.44114e+00 1.14732e+00 705 2017 8 2.88520e+00 2.74234e+00 834 2017 9 4.80868e+00 4.77156e+00 663 2017 10 1.16172e+01 1.76046e+01 929 2017 11 6.35441e+00 9.58980e+00 570 2017 12 2.27687e+00 4.38242e-01 579 2018 1 1.87615e+00 5.50746e-01 765 2018 2 2.50053e+00 4.85511e-01 320 2018 3 3.21361e+00 1.54087e+00 477 2018 4 7.78499e+00 6.70125e+00 627 2018 5 2.31997e+00 1.58102e+00 524 2018 6 1.45050e+00 2.15351e-01 384 2018 7 1.60718e+00 5.35892e-01 702 2018 8 1.37725e+00 6.05681e-01 659 2018 9 2.51123e+00 2.99172e+00 576 2018 10 4.82151e+00 3.25713e+00 687 2018 11 4.09891e+00 2.54772e+00 544 2018 12 2.92730e+00 7.49077e-01 704 2019 1 3.00573e+00 1.97926e+00 615 2019 2 4.38367e+00 1.22335e+01 672 2019 3 2.36122e+00 1.25762e+00 958 2019 4 2.96154e+00 2.72646e+00 589 2019 5 2.30516e+00 8.80623e-01 326 2019 6 3.08929e+00 2.63732e+00 530 2019 7 1.94513e+00 5.79979e-01 848 2019 8 2.83952e+00 2.16991e+00 450 2019 9 6.50703e+00 5.56211e+00 836 2019 10 9.75617e+00 1.95642e+01 418 2019 11 4.31567e+00 2.19608e+00 652 2019 12 2.78189e+00 4.66254e-01 384 2020 1 2.77334e+00 8.49528e-01 678 2020 2 2.01429e+00 6.07003e-01 813 2020 3 3.01921e+00 8.92004e-01 517 2020 4 4.39386e+00 1.73318e+00 448 2020 5 2.09013e+00 1.56499e+00 836 2020 6 2.18193e+00 9.34821e-01 512 2020 7 1.63135e+00 2.96281e-01 643 2020 8 1.76267e+00 2.26662e-01 320 2020 9 2.55305e+00 2.51359e+00 618 2020 10 2.03277e+00 1.13767e+00 768 2020 11 3.39546e+00 1.05472e+00 761 2020 12 4.25879e+00 1.16401e+00 288 2021 1 3.68993e+00 1.98342e+00 630 2021 2 2.25920e+00 6.03695e-01 422 2021 3 2.35187e+00 6.75251e-01 960 2021 4 4.42303e+00 4.63269e+00 824 2021 5 2.39003e+00 1.43057e+00 659 2021 6 1.92168e+00 3.76543e-01 512 2021 7 2.06380e+00 3.53098e-01 450 2021 8 1.37838e+00 4.21090e-01 514 2021 9 2.66409e+00 2.46632e+00 773 2021 10 3.03514e+00 1.69698e+00 680 2021 11 4.46965e+00 2.85248e+00 770 2021 12 4.18248e+00 2.70176e+00 256 2022 1 2.55826e+00 6.00163e-01 292 2022 2 1.80923e+00 3.16861e-01 759 2022 3 2.82634e+00 1.82816e+00 582 2022 4 2.71416e+00 1.05802e+00 192 2022 5 1.63586e+00 5.29141e-01 345 2022 6 1.91096e+00 9.88865e-01 786 2022 7 1.36664e+00 5.51258e-01 832 2022 8 1.22224e+00 4.74036e-01 841 2022 9 4.03129e+00 4.90642e+00 826 2022 10 2.92919e+00 3.19460e+00 843 2022 11 3.68478e+00 5.62318e+00 794 2022 12 2.84023e+00 1.42648e+00 640 2023 1 1.25094e+00 7.41466e-01 354 2023 2 8.51960e-01 4.05893e-01 320 2023 3 1.68234e+00 5.76705e-01 636 2023 4 1.20045e+00 6.39840e-01 448 2023 5 3.94316e+00 6.95893e+00 688 2023 6 1.19772e+00 8.74874e-01 576 2023 7 3.57499e+00 3.44277e+00 823 2023 8 2.29459e+00 1.10941e+00 832 2023 9 2.13481e+00 2.11094e+00 704 2023 10 1.04541e+00 9.36993e-01 896 2023 11 6.67601e+00 5.16014e+00 647 2023 12 3.39106e+00 9.56313e-01 389 2024 1 3.40024e+00 9.32921e-01 383 2024 2 3.31907e+00 8.98581e-01 675 2024 3 3.70404e+00 2.43521e+00 516 2024 4 nan nan 0