The SAS System                                1

                     Obs      y    temperature    humidity

                       1     61        21.0         57.0  
                       2     87        28.3         41.5  
                       3     98        27.5         58.0  
                       4    104        26.8         36.5  
                       5    102        28.3         40.0  
                       6     63        30.5         34.0  
                       7     27        30.8         37.0  
                       8     14        33.6         20.0  
                       9     30        31.3         21.0  
                      10     67        33.0         24.5  
                      11      6        34.3          6.0  
                      12     18        33.0         21.0  
                      13     42        32.0         28.0  
                      14     60        27.8         39.0  
                      15     82        25.0         41.0  
                      16     77        26.0         51.0  
                      17    108        18.0         70.0  
                      18     77        24.8         48.0  
                      19     93        26.0         56.0  
                      20    100        27.1         31.0  
                      21    118        29.0         41.0  
                      22     74        34.0         25.0  
                      23     43        28.3         13.0  
                      24     19        31.0         19.0  
                      25     23        31.8         17.0  
                      26     25        33.5         18.5  
                      27     40        34.5         16.0  
                      28     21        34.3         26.0  
                      29     23        26.5         26.0  
                      30     56        27.3         24.5  
                      31     59        25.8         29.0  
                      32     89        18.5         53.5  
                      33    102        19.0         48.0  
                      34     97        16.3         79.5