Summary statistics of average monthly temperatures in Chinook, 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	-15.40	-15.34	12.44	30.03	44.93	55.17	58.88	61.12	46.31	31.92	6.33	-7.11
Lower Bound	10.02	15.49	27.14	42.56	53.46	61.65	67.81	65.72	54.33	43.44	27.15	15.93
Average	12.06	17.32	28.51	43.48	54.07	62.30	68.42	66.27	55.07	44.21	28.42	17.48
Upper Bound	14.10	19.15	29.87	44.40	54.69	62.94	69.02	66.83	55.82	44.98	29.69	19.03
Maximum	31.35	34.94	43.66	54.53	62.33	72.15	78.08	72.94	63.69	51.96	42.51	32.19
Sample Size	87	88	92	92	92	89	88	89	88	89	89	88

Data Description

• Observation period: 1903/1 - 1994/12.
• Total number of records: 1104.
• Number of missing data: 33.
• Percentage of missing data: 2.99.
• Minimum monthly temperature: -15.4 °F.
• Maximum monthly temperature: 78.08 °F.

Plot of the average monthly temperatures in Chinook, Montana.

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