METEOR OL GIGA L OBSER VA TIONS. 



115 



13. MEAN TEMPERATURE FOR YEARS 1860-1866. 



MONTH. 



1860. 



1861. 



1862. 



1863. 



1861. 



1865. 



1866. 



Monthly- 

 mean lor 

 7 years. 



January 



February 



March 



28.87 

 30.56 

 42.56 

 48.37 

 63.96 

 64.18 

 72.00 

 70.21 

 59.16 

 50.87 

 37.33 

 24.05 



25.55 

 33.00 

 35.88 

 49.43 

 55.01 

 69.48 

 70.26 

 71.48 

 62.90 

 53.38 

 39.91 

 38.14 



27.090 

 37.317 

 34.835 

 49.350 

 60.147 

 66.186 

 79.900 

 74.170 

 66.064 

 53.824 

 40.785 

 36.125 



34.104 

 31.166 

 35.244 

 48.615 

 63.060 

 68.275 

 74.507 

 72.950 

 61.651 

 44.878 

 44.163 

 34.223 



27.254 

 31.829 

 35.717 

 46.119 

 63.190 

 70.400 

 75.090 

 71.103 

 61.519 

 48.000 

 40.641 

 27.641 



23.460 

 29.128 

 40.180 

 40.352 

 59.654 

 73.333 

 69.341 

 68.845 

 70.185 

 50.179 

 41.096 

 29.921 



24.673 

 25.497 

 31.761 

 50.907 

 55.845 

 67.396 

 74.577 

 65.240 

 58.974 

 53.149 

 40.563 

 27.351 



27.285 

 29.785 

 36.596 

 48.877 

 60.123 

 68.412 

 73.667 

 70.571 

 62.921 

 50.611 

 40.641 

 31.064 



May 





July 



August 



September 



October 



November 



December 



49.343 



50.368 



51.316 



51.069 



49.875 



50.389 



47.994 



50.050 





Mean temperature for seven years, 50.050. 



14. MEAN TEMPERATURE OF SEASONS FOR YEARS 1860-1866. 



SEASON. 



1860. 



1861. 



1862 



1863. 



1864. 



1865. 



1886. 



Mean 



for seven 



years. 



Spring 



Summer 



Autumn 



*Winter 



51.630 



68.790 

 49.120 

 29.765 



46.77 

 70.40 

 52.06 

 25.53 



47.977 

 73.418 

 53.557 

 30.849 



48.973 

 71.910 

 50.230 

 30.430 



48.008 

 72.164 

 50.052 

 31.106 



47.728 

 70.506 

 53.820 

 26.743 



46.171 

 69.073 

 50.595 

 26.697 



48.175 

 70.865 

 51.390 

 28.918 



*Two months — January and February. 



15. RAIN AND MELTED SNOW TABLE FOR YEARS 1861-1866.* 



MONTH. 



1861. 



1862. 



1863. 



1864. 



186.5. 



Mean. 



January . . 

 February . 

 March . . . . 

 April . . . . 



May 



June 



July 



August . . . 

 September 

 October . . 

 November 

 December. 



Total .. 



2.125 

 1.375 

 5.000 

 5.750 

 4.677 

 3.875 

 5.125 

 3.363 

 2.562 

 2.312 

 3.125 

 1.375 



39.664 



3.875 

 2.875 

 5.562 

 4.437 

 6.000 

 3.562 

 2.875 

 3.375 

 2.375 

 2.250 

 2.500 

 4.312 



2.8750 

 3.5630 

 2.4375 

 1.8750 

 2.4375 

 2.5000 

 3.4375 

 2.2130 

 1.6250 

 3.1250 

 3.7500 

 2.0000 



.3750 

 .9375 

 1.9375 

 4.7500 

 2.1875 

 3.5000 

 3.2500 

 4.2110 

 7.0060 

 1.6875 

 5.8125 

 1.5000 



.7500 

 1.6875 

 1.7500 

 3.1250 

 2.2500 

 3.6250 

 6.0620 

 3.7500 

 10.1875 

 2.2500 

 .3125 

 3.5625 



1.7500 

 2.3125 

 3.7500 

 .8750 

 5.3750 

 4.6875 

 4.0000 

 2.4375 

 7.1875 

 2.6250 

 3.1250 

 2.5628 



43.998 



32.8370 



37.1545 



39.3120 



40.6878 



1.9582 

 2.1249 

 3.4895 

 3.4686 

 3.6545 

 3.5415 

 4.1198 

 3.2249 

 5.1571 

 2.3749 

 3.1041 

 2.5523 



* In inches. 



