Weather March 1805
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Aug 30, 1803 Sep 30, 1806

Weather March 1805


Day of
the Month

State of
Ther. at
☉ rise


wind at
☉ rise

State of
Thermt. at
4 OClock

at 4 Ock

Wind at
4 OClock
State of the
River at ☉ rise
raise or
fallen    Feet    Inches
March 1st 28 a c W 38 a f N W  
2nd 28 a f N E. 36 a f N E    r                     1 ½
3 28 a c E 39 a f N W  
4 26 a f N W 36 a f N W  
5 22 a f E 40 a f N W  
6 26 a c E 36 a f E    r                     2
7 12 a f E 26 a c E    r                     2
8 7 a c E 12 a f E    r                     2½
9 2a c N. 18 a f N W    r                     2
10 2 b. f N W 12 a f N W    r                     3½
11 12 a c S E 26 [2] f a c N W    r                     4½
12 2 b f a s N. 10 a f N W    r                     5
13 1 b f S. E 28 a f S W    r                     3½
14 18 a f S E 40 a f W.  
15 24 a f S E 38 a f W    f                     1
16 32 a c E 42 a c W    f                     3
17 30 a f S E 46 a f S. W.    r                     2
18 24 a c N 34 a c N    f                     1
19h 20 a c a s N. 31 [3] f N W    r                     1
20 28 a c N W 28 [4] f N W    r                     3
21 16 a c E 26 a s & h S  
22 22 a f a s S 36 a f S W    f                     4
23 34 a f W. 38 a c a r N W    f                     4
24 28 a [5] c a s N. E 30 a c a. s. N.    r                     1
25 16 f E. 32 a f. S.    r                     5
26 20 f S E 46 a f W    r                     4½
27 28 f S E 60 a f S W    r                     9
28 40 f S. E 64 a f S W    r                     1
29 42 f N W 52 a f N W    f                     11
30 28 f N W 49 a f N W    r         1          1
31 35 c a r S E 45 a c S E    r                     9
[Remarks] [6]
March 2d the snow has disappeared in many places    the river par-
tially broken up— [7]    Mr. Larocque visits us—
  3rd a flock of ducks pased up the river this morning—
  [9] wind hard all day.    visited by the Birn the great Chief of
the Big bellies [8]
  12th snow but slight disappeared to day
  [18] collected Some herbs pla[n]ts in order to send by the boat.
paticularly the root said to cure the bites of the mad dog
and rattlesnake.— [9]
  19th But little snow not enough to cover the ground
  [20] one of the men informed that the Menetares have plenty of
artichokes.— [10]
  21st some ducks seen to light in the river opposit the fort
  [23] but little rain. [11]
  24th but little Snow.
  25th a gang of swan return to day    the ice in the river has given
way in many places and it is with some difficulty it can be
  26th the ice gave way in the river about 3 P. M. and came down
in immense sheets very near distroying our perogues— [12]
some gees pass today.
  27th the first insect I have seen was a large black knat today—
the ice drifting in large quantities.—
  28th it [river] raised 13 inch and fell 12.    wind hard, ice abates
in quantity
  29th a variety of insects make their appearance, as flies bugs
&c.    the ice ceases to run    supposed to have formed an
obstruction above.—
  30th ice came down in great quantities    the Mandans take Some
floating Buffaloe
  31st ducks and Gees passing ice abates in quantity
1. This weather table follows Lewis's Weather Diary, with some discrepancies in Clark's table in Codex C being noted. (back)
2. This temperature in Codex C is "26 a." (back)
3. In Codex C this temperature is "31 a." (back)
4. Clark has "28 a" in Codex C. (back)
5. Codex C has "28 a" here. (back)
6. These remarks follow Lewis's in the Weather Diary, with exceptions noted. The dates follow Clark's in Codex C. (back)
7. Clark's remark ends here. (back)
8. Clark has no remarks for this date. (back)
9. In Clark's Codex C these remarks are placed, undated, after his remarks for March 19. The root is the purple coneflower which Clark mentioned in his regular entries as having collected on March 21, that date probably being correct. (back)
10. Clark's undated version of this remark reads "The Indians raise a kind of artechokes which they Say is common in the praries. well tasted." The artichokes are Helianthus tuberosus L., Jerusalem artichoke. Barkley, 380. Lewis gives a more detailed description on April 9, 1805. (back)
11. Clark has no remarks for this date. (back)
12. Clark has "new canoes" instead of "perogues." (back)