{"metadata":{"title":"Powder Rvr, WY Monthly Climate Normals","page_url":"https://plainclimate.com/city/powder-rvr-wy","primary_station_id":"USC00487375","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, \"Powder Rvr, WY Climate Normals\". https://plainclimate.com/city/powder-rvr-wy","row_count":12},"annual_summary":{"city_slug":"powder-rvr-wy","ann_tavg":43.7,"ann_tmax":58,"ann_tmin":29.4,"ann_prcp":12.99,"ann_snow":null,"ann_htdd":8059,"ann_cldd":330.2,"frost_first":"09/22","frost_last":"05/30","growing_season":115,"warmest_month":7,"coldest_month":12,"wettest_month":5,"driest_month":1,"snowiest_month":null,"comfort_score":40},"data":[{"month":"January","month_number":1,"avg_temp_f":22.2,"avg_high_f":33.3,"avg_low_f":11.1,"precip_in":0.43,"snow_in":null,"heating_degree_days":1326.9,"cooling_degree_days":0,"days_with_precip":null,"days_with_snow":null,"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":23.9,"avg_high_f":36.1,"avg_low_f":11.7,"precip_in":0.51,"snow_in":null,"heating_degree_days":1150.4,"cooling_degree_days":0,"days_with_precip":null,"days_with_snow":null,"days_freezing":27,"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":34.3,"avg_high_f":46.4,"avg_low_f":22.2,"precip_in":1.14,"snow_in":null,"heating_degree_days":952,"cooling_degree_days":0,"days_with_precip":null,"days_with_snow":null,"days_freezing":27.7,"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":41.2,"avg_high_f":54.3,"avg_low_f":28.1,"precip_in":1.41,"snow_in":null,"heating_degree_days":713.8,"cooling_degree_days":0,"days_with_precip":null,"days_with_snow":null,"days_freezing":22.5,"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":50.6,"avg_high_f":65,"avg_low_f":36.2,"precip_in":2.28,"snow_in":null,"heating_degree_days":449.6,"cooling_degree_days":3.1,"days_with_precip":null,"days_with_snow":null,"days_freezing":9.5,"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":60.4,"avg_high_f":77.1,"avg_low_f":43.7,"precip_in":1.45,"snow_in":null,"heating_degree_days":169.3,"cooling_degree_days":31.3,"days_with_precip":null,"days_with_snow":null,"days_freezing":0.7,"days_90f_plus":4.5,"humidity_pct":null,"wind_speed_mph":null,"clear_sky_pct":null,"overcast_pct":null},{"month":"July","month_number":7,"avg_temp_f":69.3,"avg_high_f":87.1,"avg_low_f":51.4,"precip_in":1.11,"snow_in":null,"heating_degree_days":23.9,"cooling_degree_days":155.2,"days_with_precip":null,"days_with_snow":null,"days_freezing":0,"days_90f_plus":13.1,"humidity_pct":null,"wind_speed_mph":null,"clear_sky_pct":null,"overcast_pct":null},{"month":"August","month_number":8,"avg_temp_f":67.5,"avg_high_f":85.1,"avg_low_f":49.9,"precip_in":0.82,"snow_in":null,"heating_degree_days":43.4,"cooling_degree_days":120.7,"days_with_precip":null,"days_with_snow":null,"days_freezing":0.1,"days_90f_plus":10.6,"humidity_pct":null,"wind_speed_mph":null,"clear_sky_pct":null,"overcast_pct":null},{"month":"September","month_number":9,"avg_temp_f":57.5,"avg_high_f":74.6,"avg_low_f":40.5,"precip_in":1.11,"snow_in":null,"heating_degree_days":243.3,"cooling_degree_days":19.6,"days_with_precip":null,"days_with_snow":null,"days_freezing":3.5,"days_90f_plus":2.3,"humidity_pct":null,"wind_speed_mph":null,"clear_sky_pct":null,"overcast_pct":null},{"month":"October","month_number":10,"avg_temp_f":43.4,"avg_high_f":58.4,"avg_low_f":28.4,"precip_in":1.38,"snow_in":null,"heating_degree_days":669.7,"cooling_degree_days":0.3,"days_with_precip":null,"days_with_snow":null,"days_freezing":19.8,"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":32.3,"avg_high_f":44.5,"avg_low_f":20.1,"precip_in":0.58,"snow_in":null,"heating_degree_days":981.2,"cooling_degree_days":0,"days_with_precip":null,"days_with_snow":null,"days_freezing":27.7,"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":21.9,"avg_high_f":33.8,"avg_low_f":10,"precip_in":0.77,"snow_in":null,"heating_degree_days":1335.5,"cooling_degree_days":0,"days_with_precip":null,"days_with_snow":null,"days_freezing":30.5,"days_90f_plus":0,"humidity_pct":null,"wind_speed_mph":null,"clear_sky_pct":null,"overcast_pct":null}]}