III. 
METEOROLOGICAL OBSERVATIONS TAKEN AT THE GRANGE, 
ST. ALBANS, DURING THE YEAR 1889. 
By John Uopkinson, E.L.S., E.G.S., E.B.Met.Soc. 
j Read at Watford, 18 th March , 1890. 
The meteorological observations, of which the principal results 
are here given, have been taken in every respect as in the two 
previous years at St. Albans and the ten years, 1877-86, at 
Watford. 
The accompanying tables (pp. 26, 27) give the monthly means, 
etc., and the following is the usual summary for the seasons, from 
December 1888 to November 1889. 
Means for the Seasons from Dec. 1888 to Nov. 1889. 
Seasons, 
1888-89. 
Pressure. 
Temperature. 
Tension 
of 
Vapour. 
Humi¬ 
dity. 
Rainfall. 
Cloud, 
0-10. 
Mean. 
Daily- 
Range. 
Total. 
Days. 
ins. 
0 
O 
in. 
% 
ins. 
"Winter ..... 
30*044 
36-5 
10*5 
•221 
92 
4*60 
45 
7 ‘4 
Spring ..... 
29*866 
46*4 
13-8 
•266 
83 
8*82 
57 
7’3 
Summer..... 
29*964 
59'5 
i 6'3 
•405 
80 
8*97 
38 
6-5 
Autumn..... 
30*000 
48*6 
12*5 
•306 
90 
ri5 
4i 
6*8 
The next table gives the difference in each month and in the year 
between the chief results for 1889 at St. Albans and the means of 
the same for the ten years 1877-86 at Watford. 
Difference in 1889 from Means of 1877-86 at Watford. 
Temperature. 
Tension 
Rainfall. 
Cloud, 
0-10. 
Months. 
Pressure. 
Mean. 
Daily 
Range. 
of 
Vapour. 
Humi¬ 
dity. 
Total. 
Days. 
January..... 
in. 
+*177 
O 
—i *8 
O 
+o ’5 
in. 
— •005 
7 
. 7 ° 
+ 5 
ins. 
—1 '44 
— 4 
+i*i 
February 
-•031 
— 4 *i 
+i *4 
— •038 
— 2 
—0*61 
+ 1 
—o -5 
March . 
+ ■026 
—i *9 
—i *9 
“-•015 
+ 1 
+o*i 8 
+ 4 
-fo *4 
April.......... 
— *126 
—17 
—2*6 
+ •009 
+12 
+0*09 
+ 9 
-|-o *9 
May .. 
— '120 
+ 3’4 
— 3'3 
+•060 
+ 5 
+ 2*10 
+ 2 
+i ‘3 
June .. 
+ *o 8 o 
+i '3 
—o *4 
+•029 
+ 5 
— 1*41 
- 8 
—0*9 
July .......... 
= 
—i *5 
~i *9 
—*016 
+ 2 
+2 “83 
+ i 
4-0*7 
August ..... 
— *040 
—i *9 
—o *3 
+ •008 
+ 9 
—0*46 
+ 2 
= 
September 
+*095 
— 1*0 
—i*6 
• — *007 
+ 2 
-0*31 
— 5 
+o*6 
October..... 
—•225 
— 1*0 
—i*i 
— *OOI 
+ 7 
■4-1*65 
+ 9 
+0*2 
November 
+319 
+ 1*2 
— 2*6 
+•017 
+ 3 
—i-88 
+ 0*3 
December 
+•239 
— 1*0 
+o -9 
-pool 
+ 4 
—1*25 
+ 2 
—o *5 
Year ..... 
+•033 
—o *9 
— 2*1 
+•003 
+ 4 
-1*51 
+ 2 
4-0*3 
