Climate ledger

Ninety-two years, no skipped days.

Monthly normals for the valley, compiled from the Ashgrove Hill ledger since 1934. Everything below is invented, in the spirit of a real climate record.

Normals

Monthly means, Ashgrove Hill

Month	Mean high	Mean low	Rain	Wettest day
January	2 °C	-4 °C	58 mm	Jan 14 (31 mm)
February	4 °C	-3 °C	46 mm	Feb 3 (19 mm)
March	9 °C	0 °C	52 mm	Mar 21 (22 mm)
April	14 °C	3 °C	48 mm	Apr 9 (17 mm)
May	19 °C	7 °C	55 mm	May 30 (24 mm)
June	23 °C	11 °C	61 mm	Jun 12 (28 mm)
July	26 °C	13 °C	49 mm	Jul 7 (21 mm)
August	25 °C	13 °C	53 mm	Aug 18 (26 mm)
September	21 °C	10 °C	57 mm	Sep 24 (23 mm)
October	15 °C	6 °C	64 mm	Oct 2 (29 mm)
November	9 °C	2 °C	66 mm	Nov 5 (27 mm)
December	4 °C	-2 °C	61 mm	Dec 19 (25 mm)

Record high

36.4 °C

Set at Ashgrove Hill on 27 July 1983 during the three-week high that the valley still calls "the quiet cook".

Record low

-21.8 °C

Set at Vale Observatory on 12 January 1956. The observer's log for that day reads, in full: "Ink froze. Used pencil."

Wettest year

1,092 mm

1975, when the dam rose 4.1 m in one autumn and the bureau's roof leaked in three places.