[Report of the Medical Officer of Health for Harrow-on-the-Hill] page 31

Harrow 1911

[Report of the Medical Officer of Health for Harrow-on-the-Hill]

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Table: METEOROLOGICAL, OBSERVATIONSTAKEN AT HARROW DURING THE YEAR ENDING DECEMBER 31ST, 1911.By J. PERCY BENNETTS, Engineer and Surveyor.

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METEOROLOGICAL, OBSERVATIONS

TAKEN AT HARROW DURING THE YEAR ENDING DECEMBER 31ST, 1911.

By J. PERCY BENNETTS, Engineer and Surveyor.

Month	Hygrometer.		Temperature.				Rainfall.				Wiud.
	Dry Bulb.	Wet Bulb.	Max.	Min.	Eartli.		Total D'p'h	Greatest Fall in 24 hours.		No.ofDays on which .0l in. or more fell.	Prevailing Wind.
	Dry Bulb.	Wet Bulb.	Max.	Min.	1 ft.	4 ft.	Total D'p'h	D'p'L	Date.	No.ofDays on which .0l in. or more fell.	Prevailing Wind.
January.
	36 48	35.74	42.48	33.35	37.90	43.87					N.W.
Highest	47.00	47.00	51.00	45.00	41.00	46.00	1.48	.38	6th	13	N.E.
Lowest	20.00	28.00	37.00	24.00	29.00	43.00					S.W
February.
Means	38.50	37.50	45.87	35.57	38.71	42.17	...	...	...	...	S.W.
Highest	50.00	40.00	54.00	49.00	42.00	43.00	1.79	.44	27th	14	N.W.
Lowest	23.00	23.00	37.00	21.00	36.00	42.00	...	...	...	...	N.E.
March.
Means	30.30	38.42	46.58	36.85	41.00	43.29	...	...	...	...	N.E.
Highest	50.00	48.00	60.00	44.00	44.00	44.00	1.75	.50	12th	18	N.W.
Lowest	33.00	32.00	35.00	30.00	39.00	43.00	...	...	...	...	N.
April.
Means	45.00	42.73	54.18	38.73	44.00	44.60	...	...	...	...	S.W.
Highest	57.00	53.00	64.00	50.00	50.00	47.00	1.80	.50	1st	12	N.W.
Lowest	32.00	31.00	42.00	25.00	38.00	43.00	...	...	...	...
May.
Means	55.10	52.35	66.35	40.64	53.10	49.00	...	...	...	...	N E
Highest	65.00	64.00	78.00	50.00	58.00	52.00	4.86	319	31st	10	S.W.
Lowest	45.00	43.00	50.00	33.00	49.00	47.00		...
June.
Means	59.86	59.13	60.00	50.33	59.26	54.35	...	...	...	...
Highest	71.00	65.00	82.00	59.00	63.00	55.00	3.31	.59	23rd	11	N.E.
Lowest	50.00	47.00	57.00	40.00	56.00	52.00	...	...	...	...	S.E.
July
Means	66.77	59.48	81.93	56.25	62.48	57.12	...	...	...	...	N.E.
Highest	77.00	70.00	90.00	65.00	66.00	59.00	.56	.26	5th	6	N.W.
Lowest	57.00	49.00	65.00	46.00	55.00	55.00	...	...	...	...	S.W.
August
Means	66.61	63.10	77.87	57.32	64.16	66.45	...	...	...	...	N.W.
Highest	80.00	72.00	96.0	66.00	67.00	61.00	1.62	1.17	21 st	9	W.
Lowest	58.00	57.00	68.00	45.00	59.00	59.00	...	...	...	...	S.E.

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Harrow 1911

Table: METEOROLOGICAL, OBSERVATIONSTAKEN AT HARROW DURING THE YEAR ENDING DECEMBER 31ST, 1911.By J. PERCY BENNETTS, Engineer and Surveyor.