﻿332 
  0. 
  L. 
  Fassig 
  — 
  March 
  Weather 
  in 
  the 
  United 
  States. 
  

  

  both 
  as 
  to 
  its 
  form 
  and 
  intensity, 
  but 
  is 
  found 
  fully 
  ten 
  de- 
  

   grees 
  farther 
  south 
  than 
  its 
  usual 
  position. 
  These 
  two 
  high 
  

   areas 
  are 
  joined 
  over 
  the 
  United 
  States, 
  giving 
  the 
  Atlantic 
  

   Ocean 
  high 
  area 
  the 
  appearance 
  of 
  a 
  prolongation 
  of 
  the 
  con- 
  

   tinental 
  high 
  area; 
  the 
  latter, 
  however, 
  both 
  on 
  account 
  of 
  its 
  

   great 
  extent, 
  and 
  its 
  steep 
  gradient, 
  clearly 
  controls 
  the 
  situa- 
  

   tion, 
  throughout 
  the 
  continent. 
  The 
  rainfall 
  was 
  nearly 
  nor- 
  

   mal 
  in 
  all 
  sections 
  of 
  the 
  country, 
  excepting 
  in 
  the 
  western 
  

   Gulf 
  States, 
  where 
  there 
  was 
  an 
  excess 
  of 
  about 
  two 
  inches. 
  

   The 
  permanent 
  low 
  area 
  in 
  the 
  North 
  Atlantic 
  is 
  found 
  fully 
  

   20° 
  south 
  of 
  its 
  normal 
  position. 
  Central 
  Europe 
  is 
  found 
  in 
  

   the 
  center 
  of 
  this 
  depression 
  with 
  all 
  the 
  characteristics 
  of 
  

   " 
  depressioii 
  weather." 
  

  

  Mai'ch^ 
  1891. 
  — 
  In 
  this 
  month 
  we 
  find 
  the 
  average 
  tempera- 
  

   tures 
  again 
  below 
  the 
  normal 
  in 
  all 
  portions 
  of 
  the 
  United 
  

   States. 
  The 
  departures 
  are 
  nearly 
  normal 
  along 
  the 
  Atlantic 
  

   and 
  Pacific 
  coasts 
  and 
  increase 
  towards 
  the 
  100th 
  meridian, 
  

   along 
  which 
  the 
  departures 
  reach 
  minus 
  eight 
  degrees 
  to 
  minus 
  

   ten 
  degrees. 
  The 
  continental 
  high 
  area 
  extends 
  considerably 
  

   beyond 
  its 
  normal 
  eastern 
  limit, 
  with 
  approximately 
  normal 
  

   intensity. 
  Observations 
  were 
  not 
  available 
  to 
  fix 
  the 
  position 
  

   of 
  the 
  Atlantic 
  high 
  area, 
  but 
  at 
  least 
  its 
  western 
  extremity 
  was 
  

   but 
  slightly 
  developed, 
  as 
  there 
  is 
  no 
  evidence 
  of 
  it 
  in 
  the 
  

   pressure 
  observations 
  of 
  the 
  South 
  Atlantic 
  States. 
  The 
  rain- 
  

   fall 
  of 
  the 
  month 
  was 
  nearly 
  normal, 
  excepting 
  in 
  the 
  Middle 
  

   Atlantic 
  States, 
  the 
  Ohio 
  Yalley, 
  and 
  the 
  East 
  Gulf 
  States, 
  

   where 
  it 
  was 
  considerably 
  in 
  excess 
  of 
  the 
  normal, 
  and 
  upon 
  

   the 
  Pacific 
  coast, 
  where 
  it 
  was 
  somewhat 
  below. 
  

  

  March^ 
  1897., 
  cold 
  in 
  the 
  extreme 
  northwest^ 
  fig. 
  2. 
  — 
  

   The 
  temperatures 
  are 
  from 
  3° 
  to 
  6° 
  above 
  normal 
  in 
  all 
  sec- 
  

   tions 
  east 
  of 
  a 
  line 
  running 
  from 
  Duluth 
  to 
  Amarillo, 
  Texas; 
  

   to 
  the 
  west 
  of 
  this 
  line, 
  the 
  temperatures 
  are 
  all 
  below 
  normal 
  

   with 
  a 
  maximum 
  departure 
  of 
  minus 
  twenty 
  degrees 
  north 
  of 
  

   Montana. 
  So 
  far 
  as 
  the 
  eastern 
  States 
  are 
  concerned 
  this 
  

   belongs 
  to 
  the 
  warm 
  type 
  of 
  March 
  ; 
  as, 
  however, 
  the 
  greater 
  

   part 
  of 
  the 
  country 
  is 
  below 
  normal, 
  and 
  the 
  temperatures 
  in 
  

   the 
  northwest 
  are 
  phenomenally 
  low, 
  it 
  is 
  described 
  with 
  the 
  

   cold 
  types. 
  Here 
  we 
  have 
  both 
  the 
  continental 
  high 
  and 
  the 
  

   Atlantic 
  high 
  with 
  a 
  nearly 
  normal 
  development 
  in 
  intensity 
  

   but 
  extending 
  somewhat 
  beyond 
  their 
  usual 
  limits. 
  In 
  strength 
  

   they 
  are 
  apparently 
  equal, 
  the 
  Atlantic 
  high 
  controlling 
  the 
  

   eastern 
  half 
  of 
  the 
  country 
  and 
  the 
  continental 
  high 
  the 
  

   v^estern 
  half. 
  On 
  the 
  Pacific 
  coast 
  we 
  find 
  the 
  high 
  area 
  with 
  

   apparently 
  a 
  normal 
  development 
  but 
  somewhat 
  to 
  the 
  south 
  

   of 
  its 
  usual 
  position. 
  In 
  the 
  neighborhood 
  of 
  Puget 
  Sound 
  

   there 
  is 
  a 
  low 
  area. 
  This 
  distribution 
  of 
  pressure 
  on 
  the 
  

   Pacific 
  coast, 
  together 
  with 
  a 
  fair 
  development 
  of 
  the 
  conti- 
  

  

  