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 4.19160e+01 4.51626e+00 135
2002  8 4.41248e+01 1.09050e+01 295
2002  9 4.15242e+01 6.96852e+00 228
2002 10 3.49896e+01 1.25740e+01 680
2002 11 2.49590e+01 8.22116e+00 964
2002 12 1.75524e+01 6.74265e+00 631
2003  1 9.32129e+00 5.45565e+00 924
2003  2 1.61976e+01 9.76806e+00 620
2003  3 6.96906e+00 8.01904e+00 180
2003  4 3.85889e+00 3.90167e+00 234
2003  5 1.26302e+01 6.48673e+00 57
2003  6 3.97786e+01 3.09166e+01 250
2003  7 1.58684e+01 2.97122e+00 64
2003  8 9.45915e+00 9.37320e+00 128
2003  9 2.75064e+01 1.04814e+01 294
2003 10 2.28197e+01 1.36573e+01 608
2003 11 2.63149e+01 1.18060e+01 986
2003 12 1.29372e+01 7.69262e+00 771
2004  1 1.50279e+01 9.78722e+00 637
2004  2 1.87765e+01 6.70673e+00 185
2004  3 1.38506e+01 9.57924e+00 754
2004  4 7.79508e+00 6.53382e+00 431
2004  5 2.86283e+01 7.86764e+00 513
2004  6 3.64959e+01 5.32587e+00 194
2004  7 3.17055e+01 1.02091e+01 368
2004  8 3.59487e+01 1.29222e+01 309
2004  9 1.35688e+01 6.56250e+00 97
2004 10 1.97379e+01 1.81589e+01 128
2004 11 3.28319e+00 3.63194e+00 402
2004 12 5.63699e+00 4.18359e+00 465
2005  1 9.28678e+00 6.91569e+00 631
2005  2 1.27895e+01 8.34820e+00 516
2005  3 1.04247e+01 6.56581e+00 472
2005  4 1.14065e+01 1.59241e+01 302
2005  5 1.53056e+01 9.27788e+00 208
2005  6 1.59410e+01 8.00689e+00 299
2005  7 7.14389e+00 5.62490e+00 139
2005  8 5.43497e+00 3.41433e+00 156
2005  9 2.03224e+01 7.05093e+00 267
2005 10 2.11735e+01 1.30086e+01 886
2005 11 2.14916e+01 9.38937e+00 849
2005 12 1.17608e+01 8.83720e+00 882
2006  1 8.54600e+00 5.53573e+00 596
2006  2 7.53373e+00 4.19350e+00 451
2006  3 7.33542e+00 6.09675e+00 987
2006  4 1.73253e+01 8.81985e+00 328
2006  5 2.50720e+01 8.56502e+00 453
2006  6 3.08041e+01 1.33633e+01 219
2006  7 2.92285e+01 1.07267e+01 363
2006  8 3.34570e+01 2.05443e+01 224
2006  9 3.12728e+01 9.68687e+00 560
2006 10 2.68319e+01 1.17613e+01 702
2006 11 2.27418e+01 1.15926e+01 822
2006 12 3.41197e+01 1.08737e+01 441
2007  1 2.29237e+01 9.43709e+00 483
2007  2 2.56862e+01 1.38179e+01 735
2007  3 3.29848e+01 1.14214e+01 1130
2007  4 3.14458e+01 1.06991e+01 604
2007  5 3.70402e+01 8.17450e+00 104
2007  6 4.16144e+01 4.26347e+00 93
2007  7 3.21445e+01 1.03372e+01 330
2007  8 3.61881e+01 6.41040e+00 384
2007  9 5.11395e+01 1.27396e+01 232
2007 10 3.82039e+01 1.06064e+01 530
2007 11 3.52637e+01 8.73639e+00 1034
2007 12 3.64669e+01 1.46390e+01 679
2008  1 1.98386e+01 1.20690e+01 789
2008  2 2.98600e+01 1.16216e+01 1065
2008  3 2.50694e+01 8.89879e+00 724
2008  4 1.76153e+01 6.65915e+00 483
2008  5 2.36570e+01 1.20307e+01 427
2008  6 2.38742e+01 1.46335e+01 238
2008  7 2.96014e+01 1.40807e+01 242
2008  8 2.97563e+01 6.94019e+00 125
2008  9 2.44672e+01 1.74772e+01 439
2008 10 2.60845e+01 1.13853e+01 756
2008 11 2.22920e+01 8.29566e+00 823
2008 12 1.76493e+01 1.00801e+01 803
2009  1 1.79753e+01 8.98313e+00 556
2009  2 1.88716e+01 7.90002e+00 1004
2009  3 2.91448e+01 1.18098e+01 869
2009  4 2.64261e+01 1.43631e+01 551
2009  5 1.52839e+01 9.42431e+00 173
2009  6 3.29502e+01 1.07086e+01 175
2009  7 3.81708e+01 4.50874e+00 128
2009  8 2.14527e+01 1.77005e+01 349
2009  9 3.16311e+01 1.12225e+01 301
2009 10 2.91853e+01 1.21370e+01 787
2009 11 2.65361e+01 1.14355e+01 565
2009 12 2.13813e+01 1.12244e+01 232
2010  1 1.14914e+01 7.40553e+00 715
2010  2 6.50932e+00 6.45217e+00 580
2010  3 2.63326e+00 2.79740e+00 522
2010  4 8.50788e+00 9.03980e+00 419
2010  5 1.56704e+01 8.66367e+00 256
2010  6 2.06252e+01 8.44938e+00 378
2010  7 1.68142e+01 9.52633e+00 264
2010  8 2.14470e+01 7.66888e+00 108
2010  9 3.41774e+01 1.25964e+01 519
2010 10 2.50303e+01 1.11369e+01 1351
2010 11 3.02040e+01 1.02006e+01 1108
2010 12 2.27095e+01 1.24077e+01 919
2011  1 2.38317e+01 1.47179e+01 759
2011  2 3.43976e+01 1.40078e+01 607
2011  3 2.48349e+01 1.20815e+01 876
2011  4 2.71116e+01 7.15199e+00 640
2011  5 3.02129e+01 1.11575e+01 440
2011  6 2.32604e+01 7.33334e+00 139
2011  7 3.57299e+01 7.72677e+00 282
2011  8 3.45371e+01 1.18219e+01 466
2011  9 3.78194e+01 1.73555e+01 508
2011 10 2.87144e+01 1.37784e+01 1014
2011 11 3.16625e+01 1.15647e+01 932
2011 12 3.13605e+01 1.11480e+01 780
2012  1 2.45709e+01 1.31940e+01 1073
2012  2 2.29534e+01 1.40460e+01 253
2012  3 4.21297e+01 1.45722e+01 849
2012  4 3.67842e+01 1.02199e+01 702
2012  5 3.49877e+01 1.32417e+01 410
2012  6 2.62364e+01 9.33504e+00 125
2012  7 1.45666e+01 2.15644e+01 73
2012  8 7.75922e+00 1.39099e+00 64
2012  9 9.36786e+00 5.98632e+00 241
2012 10 1.25836e+01 1.75492e+01 663
2012 11 1.19669e+01 8.31565e+00 904
2012 12 1.59690e+01 1.06862e+01 422
2013  1 2.16767e+01 1.10530e+01 478
2013  2 1.47295e+01 7.77300e+00 578
2013  3 1.55484e+01 7.96588e+00 753
2013  4 2.38621e+01 1.06231e+01 453
2013  5 3.00434e+01 7.19550e+00 454
2013  6 3.33356e+01 1.92686e+01 376
2013  7 1.61207e+01 1.02428e+01 175
2013  8 1.52572e-01 5.63401e-01 75
2013  9 6.75770e+00 7.46015e+00 600
2013 10 1.91764e+01 1.44167e+01 761
2013 11 1.92986e+01 1.12630e+01 567
2013 12 2.14247e+01 1.04824e+01 736
2014  1 1.33697e+01 8.63380e+00 544
2014  2 2.03193e+01 9.80125e+00 716
2014  3 1.31107e+01 8.49619e+00 747
2014  4 6.58830e+00 7.20061e+00 310
2014  5 5.82596e+00 3.10826e+00 128
2014  6 1.15243e+01 1.33673e+01 156
2014  7 2.29720e+01 5.28827e+00 513
2014  8 2.83847e+01 5.46637e+00 261
2014  9 2.83205e+01 8.17006e+00 232
2014 10 2.55454e+01 1.07150e+01 1305
2014 11 1.87883e+01 1.06325e+01 866
2014 12 3.11453e+01 8.97676e+00 747
2015  1 2.46063e+01 1.44425e+01 659
2015  2 1.43753e+01 7.63269e+00 729
2015  3 1.78186e+01 7.32084e+00 521
2015  4 2.34971e+01 5.61244e+00 133
2015  5 2.92733e+01 1.04459e+01 483
2015  6 2.92866e+01 9.20545e+00 529
2015  7 3.79142e+01 1.76943e+01 113
2015  8 1.26070e+01 7.72023e+00 182
2015  9 1.95770e+01 6.87456e+00 358
2015 10 2.93823e+01 6.88135e+00 527
2015 11 1.87235e+01 8.52224e+00 515
2015 12 2.72145e+01 1.10180e+01 583
2016  1 1.34237e+01 1.00260e+01 516
2016  2 1.41554e+01 1.04645e+01 1035
2016  3 1.38667e+01 6.92588e+00 811
2016  4 2.30989e+01 1.32396e+01 419
2016  5 2.53530e+01 1.31538e+01 424
2016  6 3.02838e+01 1.15083e+01 434
2016  7 2.86290e+01 9.96833e+00 660
2016  8 1.54182e+01 1.76161e+01 413
2016  9 1.42606e+01 1.28488e+01 488
2016 10 1.73441e+01 1.22470e+01 544
2016 11 3.07990e+01 7.99694e+00 926
2016 12 2.98500e+01 1.20463e+01 740
2017  1 2.21315e+01 1.31385e+01 623
2017  2 1.99250e+01 7.18086e+00 917
2017  3 2.83003e+01 1.10591e+01 747
2017  4 2.45389e+01 1.27442e+01 667
2017  5 3.04572e+01 8.24136e+00 426
2017  6 4.07501e+01 2.27262e+01 170
2017  7 3.36435e+01 1.89646e+01 111
2017  8 2.51612e+01 1.91440e+01 419
2017  9 1.33106e+01 1.02795e+01 314
2017 10 1.68448e+01 1.08435e+01 730
2017 11 2.53688e+01 1.02830e+01 1039
2017 12 2.88210e+01 9.95797e+00 659
2018  1 2.56263e+01 1.11367e+01 856
2018  2 2.64440e+01 4.44118e+00 448
2018  3 2.07864e+01 1.04891e+01 708
2018  4 2.40065e+01 1.11816e+01 526
2018  5 2.87691e+01 8.87676e+00 343
2018  6 2.09504e+01 8.29939e+00 374
2018  7 2.91297e+01 1.44889e+01 107
2018  8 1.30045e+01 1.07357e+01 220
2018  9 2.28145e+01 1.31487e+01 769
2018 10 2.22033e+01 1.32417e+01 917
2018 11 1.08296e+01 9.70994e+00 236
2018 12 1.08602e+01 8.26435e+00 462
2019  1 7.82471e+00 6.54683e+00 351
2019  2 2.17421e+01 3.01526e+01 230
2019  3 6.44275e+00 5.03182e+00 747
2019  4 1.50467e+01 8.96157e+00 379
2019  5 2.64347e+01 9.57843e+00 627
2019  6 1.19721e+01 3.98395e+00 122
2019  7 2.65298e+01 8.68915e+00 324
2019  8 2.54826e+01 1.32864e+01 325
2019  9 2.53121e+01 1.01646e+01 444
2019 10 2.98082e+01 8.22322e+00 510
2019 11 2.92779e+01 1.20680e+01 694
2019 12 1.43020e+01 1.03937e+01 506
2020  1 1.61709e+01 8.53438e+00 579
2020  2 1.84033e+01 1.20374e+01 523
2020  3 2.59047e+01 8.79969e+00 557
2020  4 2.44120e+01 8.65884e+00 476
2020  5 3.21538e+01 1.38892e+01 562
2020  6 2.23303e+01 1.05559e+01 293
2020  7 1.52942e+01 9.60088e+00 208
2020  8 2.23199e+01 8.85870e+00 256
2020  9 1.77438e+01 1.15612e+01 159
2020 10 1.55534e+01 1.40578e+01 370
2020 11 1.47154e+01 1.23180e+01 654
2020 12 1.55424e+01 1.15286e+01 637
2021  1 1.48724e+01 1.08997e+01 514
2021  2 1.45698e+01 9.43873e+00 496
2021  3 1.65053e+01 1.08669e+01 517
2021  4 1.09946e+01 8.49809e+00 463
2021  5 2.05945e+01 1.08031e+01 414
2021  6 3.14107e+01 9.39564e+00 200
2021  7 1.37737e+01 2.22235e+01 44
2021  8 1.19314e+01 5.68498e+00 64
2021  9 8.22176e+00 1.00040e+01 447
2021 10 1.33327e+01 8.96994e+00 494
2021 11 1.02464e+01 5.05435e+00 1013
2021 12 1.57913e+01 9.15469e+00 699
2022  1 9.03650e+00 4.75258e+00 640
2022  2 2.13269e+01 9.50984e+00 815
2022  3 1.99688e+01 1.59759e+01 704
2022  4 1.50556e+01 7.37488e+00 88
2022  5 1.80182e+01 8.16758e+00 419
2022  6 3.17699e+01 8.86406e+00 279
2022  7 3.65254e+01 1.13817e+01 199
2022  8 3.31790e+01 1.04619e+01 553
2022  9 2.95532e+01 9.58332e+00 249
2022 10 2.67206e+01 1.00457e+01 1229
2022 11 2.69609e+01 1.10083e+01 387
2022 12 2.83407e+01 1.39115e+01 1006
2023  1 2.66978e+01 1.00718e+01 712
2023  2 2.41848e+01 9.70728e+00 561
2023  3 2.44531e+01 1.02778e+01 766
2023  4 3.60646e+01 1.61299e+01 366
2023  5 3.07560e+01 1.44990e+01 333
2023  6 3.91549e+01 1.15454e+01 192
2023  7 1.68247e+01 2.19104e+01 268
2023  8 2.74547e+01 1.45197e+01 407
2023  9 1.48767e+01 1.15042e+01 342
2023 10 2.12615e+01 1.23912e+01 612
2023 11 2.21969e+01 1.09743e+01 732
2023 12 1.96351e+01 5.73212e+00 280
2024  1 1.22591e+01 6.69820e+00 391
2024  2 1.05261e+01 6.25082e+00 556
2024  3 1.56384e+01 6.51712e+00 294
2024  4 nan nan 0