NORTHERN SUGAR jNDUSTkY. 

 Meteorological suuimarii. 



31 



MAY, 18S3. 

 (Station: TTasliingtou, D. C. 



Tempei'ature. 



Date. 



1883. 

 May 1 

 2 

 3 

 4 

 5 



11 



12 

 13 

 14 

 15 

 16 

 17 

 18 

 19 

 20 

 21 

 22 

 23 

 24 

 25 

 26 

 27 

 28 

 29 

 30 

 31 



Me ns . 



Daily mean ba- 

 rometer. 



Inches. 

 30. 310 

 30. 197 

 30. 083 

 30. 074 

 30. 162 

 30. 1.53 

 30. 038 



29. 932 



30. 067 

 30. 012 

 30. 022 

 30. 050 

 30. 059 

 29. 929 



29. 684 



30. 038 

 30. 252 

 30. 274 

 30. Ill 

 29. 686 

 29. 423 

 29. 565 



29. 848 



30. 044 

 30. 078 

 29. 835 

 29. 777 

 29. 852 

 29. 899 



29. 995 



30. 023 



Dailv mean. 



°F. 

 52.1 

 5S. 4 

 64.3 



70. 

 .^3.0 

 58.5 

 64.2 

 74.9 

 70.2 



71. 3 

 65. 9 

 62.4 

 61. 

 55.2 

 59. 5 

 59.7 

 55.6 

 63.4 

 63.3 

 67.2 

 63.8 

 51.2 

 51. 8 

 63.4 

 68.4 



71. 9 

 70. 3 

 70.2 



Maximum. 



°F. 

 59. 1 



86.9 

 64.0 

 69.2 

 76.3 

 90.2 

 86.0 

 87.0 

 75. 

 72.4 

 72.0 

 59.4 

 74. 

 69.7 

 69. 9 



80.0 

 73.0 

 58. S 

 57.4 

 77.6 

 82. 8 

 81.8 

 76.0 

 80.7 

 84.4 

 77. 5 

 76. 9 



Minimum. 



OF. 

 42.6 

 47.3 

 48.7 

 54.8 



51. 5 

 51.0 

 46.8 

 59.2 

 58.0 

 53. 1 

 58.9 

 50.8 



52. 9 

 48.4 

 55.1 

 49.5 

 45.0 

 44.2 

 47.8 

 51.1 

 58.1 

 48.3 

 47.3 

 48.3 

 49.6 

 59.8 

 59.7 

 56.0 

 64.1 

 59. 9 

 63.5 



Daily rainfall. 



Inches. 



0. 53 



0. 59 

 0. 16 



99 

 0.15 



0. 01 



29. 983 



63.6 



r4.8 



52.6 



0. OSl 



GENERAL ITEMS. 



Mean barometer, 29.983 : highest temperature, 9.2°, date 8th ; lowest temperature. 42.6=, date 1st : 

 greatest daily range of temperature, 33.9=, date 10th : least daily range of temperature, 10. 1-, date 23d : 

 mean daily range of temperature, 22. P : mean daily dew point, 50.2=: mean daily relative humidity. 

 64.9= : prevailing direction of wind XW. : total movement of 3,987 miles : highest velocitv of wind, 22 

 miles S. and SW. direction, date 10th and 26th. 



Number of foggy days ■ Xumber of cloudy days 8 



Number of clear days 9 Number of days on which rain fell 9 



Number of fair days 14 | 



COMPARATIVE MEAN TEMPE , MATURE . 



Deg. Fahr. 



1871 63. 9 



1872 67. 4 



1873 63. 6 



1874 63. 8 



1875 63. 6 



1876 64.5 



1877 61.9 



Deg. Fahr. 



1878 62.5 



1879 6.5. 3 



1880 70. 5 



1881 67. 



1882 59.2 



1883 63. 6 



COMPARATIVE PRECIPITATION. 



Inches. 



1871 ^ 3.45 



1872 1. 43 



1873 5. 21 



1874 2. 62 



1875 1. 01 



1876 3. 02 



1877 2. 26 



Inches. 



1878 5. 27 



1879 1. 58 



1880 3. 37 



1881 1. 86 



1882 5.00 



1883 2. 50 



