Summary statistics of average monthly temperatures in Hebgen Dam, Montana, collected since the end of the nineteenth century till about 1994. The reader is also welcommed to inspect the warming trends in the location. To convert the results in degrees of Celsius, click here.

Long-Term Summary Statistics in °F.

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Minimum	-6.48	4.26	11.36	24.16	38.53	46.32	52.27	54.28	40.63	26.83	14.78	1.09
Lower Bound	9.01	13.99	21.52	32.56	43.58	52.03	59.59	58.14	48.47	37.71	23.09	11.84
Average	10.09	14.89	22.42	33.35	44.17	52.60	60.06	58.59	49.13	38.40	23.95	12.84
Upper Bound	11.16	15.80	23.32	34.15	44.75	53.16	60.52	59.04	49.78	39.09	24.81	13.83
Maximum	24.22	23.27	32.41	44.38	52.23	59.47	65.37	62.97	55.53	45.92	33.23	27.37
Sample Size	90	90	90	90	90	91	91	91	91	91	91	90

Data Description

• Observation period: 1904/1 - 1994/12.
• Total number of records: 1092.
• Number of missing data: 6.
• Percentage of missing data: 0.55.
• Minimum monthly temperature: -6.48 °F.
• Maximum monthly temperature: 65.37 °F.

Plot of the average monthly temperatures in Hebgen Dam, Montana.

Plot of the 'raw' monthly average temperatures in Hebgen Dam, Montana.