{"metadata":{"title":"Alta, WY Monthly Climate Normals","page_url":"https://plainclimate.com/city/alta-wy","primary_station_id":"USC00480140","source":"NOAA 1991-2020 U.S. Climate Normals","source_url":"https://www.ncei.noaa.gov/products/land-based-station/us-climate-normals","vintage":"2026-08-04","license":"CC0 1.0","license_url":"https://creativecommons.org/publicdomain/zero/1.0/","citation":"PlainClimate, \"Alta, WY Climate Normals\". https://plainclimate.com/city/alta-wy","row_count":12},"annual_summary":{"city_slug":"alta-wy","ann_tavg":40.5,"ann_tmax":52,"ann_tmin":29,"ann_prcp":24.98,"ann_snow":113.4,"ann_htdd":8992,"ann_cldd":91.2,"frost_first":"09/11","frost_last":"06/14","growing_season":89,"warmest_month":7,"coldest_month":12,"wettest_month":5,"driest_month":7,"snowiest_month":1,"comfort_score":44},"data":[{"month":"January","month_number":1,"avg_temp_f":20.4,"avg_high_f":29,"avg_low_f":11.8,"precip_in":2.49,"snow_in":21.7,"heating_degree_days":1382.6,"cooling_degree_days":0,"days_with_precip":9.3,"days_with_snow":7.5,"days_freezing":30.9,"days_90f_plus":0,"humidity_pct":null,"wind_speed_mph":null,"clear_sky_pct":null,"overcast_pct":null},{"month":"February","month_number":2,"avg_temp_f":22.7,"avg_high_f":32,"avg_low_f":13.5,"precip_in":1.84,"snow_in":16.2,"heating_degree_days":1183,"cooling_degree_days":0,"days_with_precip":7.8,"days_with_snow":6.1,"days_freezing":27.5,"days_90f_plus":0,"humidity_pct":null,"wind_speed_mph":null,"clear_sky_pct":null,"overcast_pct":null},{"month":"March","month_number":3,"avg_temp_f":30.4,"avg_high_f":40,"avg_low_f":20.8,"precip_in":2.1,"snow_in":15.3,"heating_degree_days":1072.6,"cooling_degree_days":0,"days_with_precip":8.7,"days_with_snow":5.5,"days_freezing":27.9,"days_90f_plus":0,"humidity_pct":null,"wind_speed_mph":null,"clear_sky_pct":null,"overcast_pct":null},{"month":"April","month_number":4,"avg_temp_f":37.7,"avg_high_f":48.1,"avg_low_f":27.3,"precip_in":2.49,"snow_in":13.5,"heating_degree_days":819,"cooling_degree_days":0,"days_with_precip":9.2,"days_with_snow":4.2,"days_freezing":22.9,"days_90f_plus":0,"humidity_pct":null,"wind_speed_mph":null,"clear_sky_pct":null,"overcast_pct":null},{"month":"May","month_number":5,"avg_temp_f":47.8,"avg_high_f":60.1,"avg_low_f":35.5,"precip_in":3.01,"snow_in":2.5,"heating_degree_days":533.7,"cooling_degree_days":0.5,"days_with_precip":9.9,"days_with_snow":1.2,"days_freezing":10.7,"days_90f_plus":0,"humidity_pct":null,"wind_speed_mph":null,"clear_sky_pct":null,"overcast_pct":null},{"month":"June","month_number":6,"avg_temp_f":55.7,"avg_high_f":69.1,"avg_low_f":42.3,"precip_in":2.31,"snow_in":0.3,"heating_degree_days":286.6,"cooling_degree_days":7.6,"days_with_precip":8,"days_with_snow":0.2,"days_freezing":3,"days_90f_plus":0.1,"humidity_pct":null,"wind_speed_mph":null,"clear_sky_pct":null,"overcast_pct":null},{"month":"July","month_number":7,"avg_temp_f":63.7,"avg_high_f":78.8,"avg_low_f":48.5,"precip_in":1.38,"snow_in":0,"heating_degree_days":88.6,"cooling_degree_days":46.7,"days_with_precip":5.1,"days_with_snow":0,"days_freezing":0.1,"days_90f_plus":0.7,"humidity_pct":null,"wind_speed_mph":null,"clear_sky_pct":null,"overcast_pct":null},{"month":"August","month_number":8,"avg_temp_f":62.7,"avg_high_f":78.2,"avg_low_f":47.2,"precip_in":1.38,"snow_in":0,"heating_degree_days":104.5,"cooling_degree_days":33.1,"days_with_precip":6,"days_with_snow":0,"days_freezing":0.3,"days_90f_plus":0.3,"humidity_pct":null,"wind_speed_mph":null,"clear_sky_pct":null,"overcast_pct":null},{"month":"September","month_number":9,"avg_temp_f":54.1,"avg_high_f":68.5,"avg_low_f":39.7,"precip_in":1.85,"snow_in":0.5,"heating_degree_days":330.3,"cooling_degree_days":3.3,"days_with_precip":6.2,"days_with_snow":0.1,"days_freezing":4.8,"days_90f_plus":0,"humidity_pct":null,"wind_speed_mph":null,"clear_sky_pct":null,"overcast_pct":null},{"month":"October","month_number":10,"avg_temp_f":41.8,"avg_high_f":53.3,"avg_low_f":30.2,"precip_in":2.06,"snow_in":5.9,"heating_degree_days":720.7,"cooling_degree_days":0,"days_with_precip":6.9,"days_with_snow":1.9,"days_freezing":18.7,"days_90f_plus":0,"humidity_pct":null,"wind_speed_mph":null,"clear_sky_pct":null,"overcast_pct":null},{"month":"November","month_number":11,"avg_temp_f":29.2,"avg_high_f":38.5,"avg_low_f":19.8,"precip_in":1.93,"snow_in":15.8,"heating_degree_days":1075.5,"cooling_degree_days":0,"days_with_precip":7.9,"days_with_snow":4.9,"days_freezing":26.8,"days_90f_plus":0,"humidity_pct":null,"wind_speed_mph":null,"clear_sky_pct":null,"overcast_pct":null},{"month":"December","month_number":12,"avg_temp_f":20,"avg_high_f":28.3,"avg_low_f":11.7,"precip_in":2.14,"snow_in":21.7,"heating_degree_days":1394.9,"cooling_degree_days":0,"days_with_precip":8.6,"days_with_snow":6.8,"days_freezing":30.4,"days_90f_plus":0,"humidity_pct":null,"wind_speed_mph":null,"clear_sky_pct":null,"overcast_pct":null}]}