Sep-90 30 62 0.8 24 30 432 14.4 30 0 128 48 0 Oct-90 31 56 2.1 61 29 469 15.6 30 1 299 26 0 Nov-90 30 45 4.9 159 32 339 10.6 32 0 603 3 0 Dec-90 31 37 6.1 185 30 408 14.1 29 1 866 0 0 Jan-91 31 27 8.3 275 33 658 21.9 30 0 1171 0 0 Feb-91 28 33 8.5 247 29 627 20.2 31 1 889 0 0 Mar-91 31 39 6.6 186 28 343 11.8 29 0 798 0 0 Apr-91 30 50 7.0 203 29 399 13.8 29 1 461 0 0 May-91 31 62 2.5 73 29 503 16.8 30 0 147 64 0 Jun-91 30 67 0.2 7 32 440 13.8 32 1 69 124 0 Jul-91 31 72 0.4 14 31 230 7.7 30 0 6 234 0 Aug-91 31 71 1.2 37 29 374 11.3 33 1 12 208 0 Sep-91 30 61 * * * 422 14.1 30 0 168 50 0 Oct-91 31 54 2.3 71 30 365 13.0 28 1 333 5 0 Nov-91 30 42 4.1 119 29 520 15.8 33 0 675 0 0 Dec-91 31 39 6.2 201 32 524 18.1 29 1 1004 0 0 Jan-92 31 28 8.8 273 31 675 19.3 35 0 1143 0 0 Feb-92 28 29 10.5 336 32 469 16.2 29 1 1033 0 0 Mar-92 31 33 8.7 253 29 490 16.3 30 0 998 0 0 Apr-92 30 44 6.9 202 29 443 15.3 29 1 624 0 0 May-92 31 55 3.2 104 32 383 12.0 32 0 333 36 0 Jun-92 30 65 1.8 54 30 313 10.8 29 1 64 77 0 Jul-92 31 68 0.8 28 33 331 10.0 33 0 30 123 0 Aug-92 31 68 1.1 33 29 379 12.6 30 1 29 135 0 Sep-92 30 61 * * * 967 32.2 30 0 160 48 0 Oct-92 31 49 2.7 88 32 464 14.5 32 1 482 0 0 Nov-92 30 40 5.2 153 29 181 6.0 30 0 756 0 0 Dec-92 31 36 6.8 204 30 561 19.3 29 1 1043 0 0 Jan-93 31 28 8.8 293 33 529 15.1 35 0 1146 0 0 Feb-93 28 23 11.0 321 29 455 16.3 28 1 1184 0 0 Mar-93 31 33 10.8 315 29 506 16.9 30 1 996 0 0 Apr-93 30 46 6.1 179 29 420 13.5 31 1 567 0 0 May-93 31 59 3.2 104 32 529 17.6 30 0 204 12 0 Jun-93 30 66 1.7 53 30 311 10.4 30 1 61 108 0 Jul-93 31 72 * * * 483 14.6 33 0 4 244 0 Aug-93 31 72 0.8 53 62 650 22.4 29 1 2 233 0 Sep-93 30 62 * * * 116 3.6 32 0 148 66 0 Oct-93 31 50 1.9 123 62 312 10.4 30 1 474 1 0 Nov-93 30 43 4.6 135 29 544 19.4 28 0 665 0 0 Dec-93 31 36 6.8 204 30 607 17.9 34 1 1054 0 0 Jan-94 31 33 8.0 248 31 534 17.2 31 0 1321 0 0 Feb-94 28 17 12.2 342 28 573 20.5 28 1 1059 0 0 Mar-94 31 29 8.8 264 30 529 17.6 30 1 827 0 0 Apr-94 30 44 5.0 163 32 522 16.8 31 1 403 0 0 May-94 31 51 2.8 82 29 236 7.6 31 0 226 0 0 Jun-94 30 60 1.6 49 30 403 12.6 32 1 7 222 0 Jul-94 31 77 * * * 337 11.2 30 0 1 395 0 Aug-94 31 70 0.7 49 62 377 12.6 30 1 3 241 0 Sep-94 30 64 * * * 493 15.4 32 0 60 44 0 Oct-94 31 57 1.7 108 62 443 14.8 30 1 288 0 0 Nov-94 30 51 2.8 83 29 397 14.2 28 0 478 0 0 Dec-94 31 35 6.5 209 32 606 18.9 32 1 814 0 0 Jan-95 31 18 11.4 379 33 587 20.2 29 0 932 0 0 Feb-95 28 22 10.7 301 28 567 19.6 29 1 1016 0 0 Mar-95 31 32 8.5 273 32 563 18.2 31 0 805 0 0 Apr-95 30 40 5.9 178 30 486 16.8 29 1 561 0 0 May-95 31 51 2.9 85 29 554 18.5 30 0 258 25 0 Jun-95 30 69 1.3 44 32 294 11.9 25 1 30 147 0 Jul-95 31 76 * * * 426 14.2 30 0 1 344 0 Aug-95 31 73 0.7 47 60 453 15.6 29 1 2 252 0 Sep-95 30 64 * * * 643 20.1 32 0 113 64 0 Oct-95 31 59 1.5 96 61 557 18.0 31 1 214 15 0 Nov-95 30 46 4.5 132 29 417 14.9 28 0 685 0 0 Dec-95 31 29 8.9 285 32 579 18.1 32 1 1023 0 1 Jan-96 31 30 11.6 361 31 543 18.1 30 1 1074 0 1 Feb-96 29 31 10.7 311 29 546 18.8 29 1 981 0 1 Mar-96 31 37 11.6 372 32 1248 37.8 33 0 875 0 1 Apr-96 30 48 7.5 226 30 494 17.6 28 1 510 3 1 May-96 31 57 3.5 104 29 520 17.9 29 0 264 30 1 Jun-96 30 68 1.5 48 32 443 13.0 34 1 20 121 1 Jul-96 31 72 * * * 569 18.4 31 0 1 222 1 Aug-96 31 71 0.8 50 62 521 17.4 30 1 6 196 1 Sep-96 30 64 * * * 670 22.3 30 0 80 63 1 Oct-96 31 53 1.9 116 60 512 17.7 29 1 358 0 1 Nov-96 30 40 5.0 158 31 736 22.3 33 0 739 1 1 Dec-96 31 39 7.3 219 30 600 20.7 29 1 792 0 1 Jan-97 31 29 9.3 307 33 1115 32.8 34 0 1104 0 1 Feb-97 28 36 9.7 283 29 853 30.5 28 1 806 0 1 Mar-97 31 37 7.9 230 29 713 24.6 29 0 868 0 1 Apr-97 30 46 5.8 171 29 498 17.2 29 1 551 0 1 May-97 31 56 3.2 104 32 838 26.2 32 0 269 0 1