368 DR BREWSTER on the Register of the Thermometer kept 



TABLE IV. Shewing the Mean Temperature of each Hour for each Month in 1825, 



and for the whole Year. 



Hour. 



1 A. M 



3 



4 



5 



6 



7 



8 



9 



10 



11 



12 



1 P. M, 



4 



5 



6 



7 



8 



9 



10 



11 



12... 



Jan. 



Feb. 



39.073 



39.968 



39.823 



39.855 



39.814 



39.774 



39.831 



39.927 



40.121 



40.508 



41.161 



41.748 



42.000 



42.032 



42.009 



41.371 



41.153 



40.920 



40.475 



40.404 



40.258 



40.3& 



40.283 



40.339 



39.437 



39-500 



39.598 



39.509 



39-089 



39.018 



39.321 



39-518 



39.589 



40.473 



41.670 



42.241 



42.848 



42.821 



42.928 



42.482 



41.56! 



41.089 



40.70J 



40.250 



39.625 



39.286 



39.170 



39.143 



March. 



39.604 

 39.162 

 38.516 

 38.355 

 38.275 

 38.404 

 38.718 

 39.524 

 40.661 

 41.605 

 42.701 

 44.404 

 44.661 

 45.226 

 45.259 

 45.484 

 45.210 

 44.630 

 43.556 

 42.711 

 41.718 

 41.083 

 40.523 

 40.24 



April. 



May. 



43.350 



42.742 



42.050 



41.500 



41.317 



41.542 



43.050 



44.725 



46.842 



48.892 



49.992 



51.142 



51.617 



51.817 



52.275 



51.858 



51.175 



50.767 



49.275 



47.300 



46.117 



45.425 



44.733 



44.133 



47.016 



46.750 



46.460 



46.161 



46.210 



46.944 



47.476 



48.597 



49.653 



50.702 



51.363 



51.863 



52.186 



52.540 



52.686 



53.315 



53.645 



53.493 



52.484 



51.137 



49.637 



49.097 



48.508 



47.927 



June. 



52.575 

 52.200 

 52.133 

 51.975 

 52.067 

 52.958 

 54.150 

 55.250 

 56.883 

 58.117 

 59.017 

 59.508 

 60.050 



60.533 

 60.517 

 60.450 

 60.591 

 59-867 

 57.608 

 56.242 

 5.167 

 54.225 

 53.675 



July. 



56.935 

 56.798 

 56.087 

 55.403 

 56.121 

 57.637 

 58.855 

 60.032 

 61.298 

 62.693 

 63.500 

 64.484 

 64.670 



60.500 65.468 



65.798 

 65.807 

 66.250 

 66.742 

 65.975 

 62.807 

 60.742 

 59.492 

 58.581 

 57.605 



Aug. 



57.355 



56.936 



56.661 



56.629 



56.565 



56.758 



57.542 



58.887 



59-960 



81.170 



61.895 



63.008 



63.629 



63.826 



63.830 



64.210 



64.387 



64.387 



61.927 



60.589 



59.476 



58.409 



57.779 



57.234 



Sept. 



55.358 

 55.058 

 54.792 

 54.333 

 53.992 

 54.117 

 55.192 

 56.442 

 58.050 

 59.842 

 60.667 

 61.500 

 62.100 

 62.575 

 62.258 

 62.075 

 62.042 

 60.333 

 58.875 

 58.008 

 57.283 

 56.575 

 56.042 

 55.517 



Oct. 



49.984 



49.782 



49.685 



49.476 



49.516 



49.484 



49.797 



50.451 



51.137 



52.484 



53.258 



53.766 



54.008 



54.137 



53.855 



53.193 



52.557 



51.613 



51.065 



50.477 



50.202 



50.129 



49.742 



49.670 



Nov. 



39.325 

 38.800 

 38.975 

 38.858 

 39.050 

 39.183 

 39.417 

 39.383 

 39.825 

 40.825 

 41.833 

 42.258 

 42.667 

 42.708 

 42.808 

 42.250 

 41.517 

 41.192 

 40.667 

 40.442 

 40.350 

 39.867 

 39.492 

 39.117 



Dec. 



39.194 

 39.331 

 39.105 

 39.032 

 39.016 

 39.234 

 39.194 

 39.468 

 39.718 

 40.089 

 40.645 

 41.016 

 41.169 

 41.532 

 41.250 

 41.105 

 40.652 

 40.355 

 39.798 

 39.758 

 39.532 

 39.411 

 39.153 

 38.855 



Mean Temp, of 

 each hour for 

 the whole year. 



46.648 

 46.466 

 46.198 

 45.969 

 45.968 

 46.307 

 46.927 

 47.788 

 48.700 

 49.784 

 50.691 

 51.464 

 51.848 

 52.150 

 52.174 

 52.049 

 51.774 

 51.208 

 50.449 

 49.348 

 48.488 

 47.913 

 47.407 

 47.007 



The Mean Temperature obtained from the last column of the above Table is 48.944- 

 9" 13' A. M. and 8 h 28 P. M. 



It occurred, at 



