Taken at the Government Station, Martendale, Southland, during the month of October, 1866. Lat. 46° 17' S.; Lon. 168° 20' E. Elevation, 79 ft.
Barometer, reduced to 32 degs. and sea level
INCHES
Greatest atmospheric pressure (on 6th and 7th)
30.291
(on 1st)
Least
...
Mean
...
Range of
...
Thermometer in shade
DEGREES
Highest day temperature (on 24th)
76.4
Lowest night
(on 6th)
Mean temperature of the air
51.6
Total range of temperature in month
49.6
Highest daily mean temperature (on 21st)
60.7
Lowest
(on 5th)
Greatest daily range of temperature
35.6
Least
...
Mean
...
Radiation
DEGREES
Maximum solar
112.5
Minimum terrestrial
22.1
DEGREES
Mean temperature of evaporation
46.8
Mean dew-point
41.7
Hygrometer
INCHES
Degrees of humidity (saturation = 1.00)
0.69
Tension of aqueous vapour
0.259
Rainfall
DAYS
No. of days on which no rain fell
Fine and clear
Dull and cloudy
Showery
No. of days on which rain fell
Wet through out
INCHES
Total rainfall on ground
2.945
Greatest daily fall (on 12th)
0.582
Evaporation
INCHES
Total amount on ground
3.395
Cloud
Mean amount (overcast = 10.0)
4.6
Force of wind
Mean force (Admiralty Standard, 0-12)
3.4
MILES.
| Daily movement of air | 131 |
| Greatest | (on 17th) | 320 |
| Least | (on 23rd) | 28 |
| Total horizontal movement of air in month | 4066 |
| Greatest velocity per hour | 50 |
| Greatest pressure per square foot (on 17th) | 1.23 lbs |
Southland Provincial Gazette 1866, No 24
