Del Norte Climate Data

The closest station for climate data is Del Norte which is 8 miles due south of Ghost Mine Ranch. The elevation of Del Norte is 7880 feet, compared to 8250 feet at Ghost Mine Ranch. The data below are from the Colorado Climate Center and the Western Regional Climate Center .

Del Norte Temperature Statistics

Del Norte Precipitation Statistics

Monthly Climatic Data for Del Norte for years 1948 - 1999:

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Annual
Avg daily max temp (F)	35.1	40.7	48.9	58.2	67.0	75.5	78.4	76.5	71.4	62.1	47.4	37.1	58.2
Avg daily min temp (F)	6.8	12.3	19.9	27.0	35.1	42.5	48.2	46.7	39.6	30.3	18.7	9.1	28.1
Num days min temp <=0 F	8.2	3.4	0.7	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.9	5.8	16.9
Num days max temp >=90 F	0.0	0.0	0.0	0.0	0.0	0.1	0.1	0.0	0.0	0.0	0.0	0.0	0.1
Total monthly precip (in)	0.34	0.35	0.67	0.70	0.85	0.75	1.65	1.74	1.02	0.86	0.56	0.50	10.11
Total monthly snow (in)	5.4	5.7	7.5	4.7	1.3	0.0	0.0	0.1	0.1	3.7	6.2	7.5	42.1

There is a strong diurnal mountain-valley (or drainage) flow in the San Luis Valley. At night cold air sinks from the mountain slopes and pools in the valley basin. As a result Alamosa has considerably colder mornings than Del Norte as shown in the table below. Since Ghost Mine Ranch is at a higher elevation than Del Norte, its diurnal temperature range may be smaller.

Monthly Climatic Data for Alamosa WSO for years 1948 - 1999:

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Annual
Avg daily max temp (F)	34.2	40.6	48.8	58.2	67.9	77.9	81.8	79.3	73.3	62.6	47.0	36.1	59.1
Avg daily min temp (F)	-2.2	5.6	15.7	23.5	33.1	41.2	47.4	45.5	36.5	24.3	11.6	0.2	23.6
Num days min temp <=0 F	18.2	8.9	1.4	0.0	0.0	0.0	0.0	0.0	0.0	0.1	3.8	15.5	47.9
Num days max temp >=90 F	0.0	0.0	0.0	0.0	0.0	0.4	0.8	0.0	0.0	0.0	0.0	0.0	1.4

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