{"metadata":{"title":"Old Faithful, WY Monthly Climate Normals","page_url":"https://plainclimate.com/city/old-faithful-wy","primary_station_id":"USC00486845","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, \"Old Faithful, WY Climate Normals\". https://plainclimate.com/city/old-faithful-wy","row_count":12},"annual_summary":{"city_slug":"old-faithful-wy","ann_tavg":34.4,"ann_tmax":49.3,"ann_tmin":19.5,"ann_prcp":25.63,"ann_snow":197,"ann_htdd":11139.9,"ann_cldd":6.8,"frost_first":"-9999.0","frost_last":"-9999.0","growing_season":null,"warmest_month":7,"coldest_month":12,"wettest_month":12,"driest_month":7,"snowiest_month":12,"comfort_score":47},"data":[{"month":"January","month_number":1,"avg_temp_f":14.7,"avg_high_f":28.3,"avg_low_f":1.1,"precip_in":2.08,"snow_in":35.6,"heating_degree_days":1559.3,"cooling_degree_days":0,"days_with_precip":14.1,"days_with_snow":13.8,"days_freezing":31,"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":16.5,"avg_high_f":31.1,"avg_low_f":2,"precip_in":2.13,"snow_in":29.9,"heating_degree_days":1356.6,"cooling_degree_days":0,"days_with_precip":13,"days_with_snow":12.5,"days_freezing":28,"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":24.3,"avg_high_f":38.7,"avg_low_f":9.9,"precip_in":2.24,"snow_in":27.1,"heating_degree_days":1261.7,"cooling_degree_days":0,"days_with_precip":12.2,"days_with_snow":11.3,"days_freezing":30.5,"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":32.3,"avg_high_f":45.5,"avg_low_f":19.1,"precip_in":2.4,"snow_in":17.1,"heating_degree_days":981,"cooling_degree_days":0,"days_with_precip":11.9,"days_with_snow":8.6,"days_freezing":28.5,"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":42,"avg_high_f":55.2,"avg_low_f":28.7,"precip_in":2.68,"snow_in":5.4,"heating_degree_days":714.6,"cooling_degree_days":0,"days_with_precip":12.7,"days_with_snow":2.4,"days_freezing":22.5,"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":49.9,"avg_high_f":65.1,"avg_low_f":34.7,"precip_in":2.42,"snow_in":0.6,"heating_degree_days":453.1,"cooling_degree_days":0.1,"days_with_precip":13.2,"days_with_snow":0.5,"days_freezing":11,"days_90f_plus":0,"humidity_pct":null,"wind_speed_mph":null,"clear_sky_pct":null,"overcast_pct":null},{"month":"July","month_number":7,"avg_temp_f":57.6,"avg_high_f":75.9,"avg_low_f":39.2,"precip_in":1.25,"snow_in":0,"heating_degree_days":236.2,"cooling_degree_days":5.2,"days_with_precip":9,"days_with_snow":0,"days_freezing":3.5,"days_90f_plus":0.2,"humidity_pct":null,"wind_speed_mph":null,"clear_sky_pct":null,"overcast_pct":null},{"month":"August","month_number":8,"avg_temp_f":55.9,"avg_high_f":75,"avg_low_f":36.8,"precip_in":1.43,"snow_in":0,"heating_degree_days":283.7,"cooling_degree_days":1.6,"days_with_precip":8.9,"days_with_snow":0,"days_freezing":7.2,"days_90f_plus":0,"humidity_pct":null,"wind_speed_mph":null,"clear_sky_pct":null,"overcast_pct":null},{"month":"September","month_number":9,"avg_temp_f":47.3,"avg_high_f":64.8,"avg_low_f":29.9,"precip_in":1.7,"snow_in":0.9,"heating_degree_days":529.5,"cooling_degree_days":0,"days_with_precip":9.5,"days_with_snow":0.6,"days_freezing":20.3,"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":35.9,"avg_high_f":49.9,"avg_low_f":21.9,"precip_in":2.3,"snow_in":9,"heating_degree_days":902.1,"cooling_degree_days":0,"days_with_precip":10.1,"days_with_snow":4.1,"days_freezing":28.2,"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":22.6,"avg_high_f":35.3,"avg_low_f":9.9,"precip_in":2.22,"snow_in":26.4,"heating_degree_days":1272,"cooling_degree_days":0,"days_with_precip":12,"days_with_snow":10.7,"days_freezing":29.4,"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":13.7,"avg_high_f":26.5,"avg_low_f":0.9,"precip_in":2.78,"snow_in":45,"heating_degree_days":1590.2,"cooling_degree_days":0,"days_with_precip":15.2,"days_with_snow":15.4,"days_freezing":30.9,"days_90f_plus":0,"humidity_pct":null,"wind_speed_mph":null,"clear_sky_pct":null,"overcast_pct":null}]}