Averages
United States
- Alabama (29)
- Alaska (130)
- Arizona (30)
- Arkansas (31)
- California (109)
- Colorado (41)
- Connecticut (10)
- Delaware (3)
- District of Columbia (1)
- Florida (65)
- Georgia (45)
- Hawaii (11)
- Idaho (19)
- Illinois (58)
- Indiana (20)
- Iowa (57)
- Kansas (32)
- Kentucky (18)
- Louisiana (38)
- Maine (18)
- Maryland (22)
- Massachusetts (23)
- Michigan (71)
- Minnesota (98)
- Mississippi (20)
- Missouri (26)
- Montana (22)
- Nebraska (38)
- Nevada (16)
- New Hampshire (13)
- New Jersey (14)
- New Mexico (27)
- New York (33)
- North Carolina (68)
- North Dakota (14)
- Ohio (36)
- Oklahoma (50)
- Oregon (30)
- Pennsylvania (35)
- Rhode Island (5)
- South Carolina (42)
- South Dakota (21)
- Tennessee (13)
- Texas (166)
- Utah (13)
- Vermont (9)
- Virginia (47)
- Washington (39)
- West Virginia (15)
- Wisconsin (56)
- Wyoming (19)
Canada
- Alberta (86)
- British Columbia (81)
- Manitoba (23)
- New Brunswick (12)
- Newfoundland and Labrador (25)
- Northwest Territories (27)
- Nova Scotia (23)
- Nunavut (36)
- Ontario (71)
- Prince Edward Island (6)
- Quebec (81)
- Saskatchewan (40)
- Yukon Territory (13)
Europe
- Albania (1)
- Austria (13)
- Belarus (7)
- Belgium (12)
- Bosnia and Herzegovina (4)
- Bulgaria (5)
- Croatia (6)
- Czech Republic (11)
- Denmark (11)
- Estonia (4)
- Faroe Islands (1)
- Finland (27)
- France (106)
- Germany (78)
- Gibraltar (1)
- Greece (30)
- Hungary (8)
- Iceland (4)
- Ireland (4)
- Italy (85)
- Latvia (2)
- Lithuania (4)
- Luxembourg (1)
- Macedonia (2)
- Malta (1)
- Moldova (1)
- Montenegro (2)
- The Netherlands (12)
- Norway (46)
- Poland (9)
- Portugal (12)
- Romania (16)
- Russian Federation (43)
- Serbia (5)
- Slovakia (10)
- Slovenia (4)
- Spain (42)
- Svalbard and Jan Mayen (1)
- Sweden (34)
- Switzerland (15)
- Ukraine (18)
- United Kingdom (86)
Africa
- Algeria (34)
- Benin (1)
- Botswana (5)
- Burkina Faso (1)
- Cameroon (2)
- Cape Verde (1)
- Central African Republic (1)
- Chad (2)
- Comoros (1)
- Congo (2)
- Côte d'Ivoire (1)
- Democratic Republic of the Congo (1)
- Egypt (12)
- Equatorial Guinea (1)
- Gabon (1)
- The Gambia (1)
- Ghana (1)
- Guinea-Bissau (1)
- Kenya (3)
- Liberia (1)
- Libya (1)
- Madagascar (4)
- Mali (1)
- Mauritania (2)
- Mauritius (2)
- Mayotte (1)
- Morocco (14)
- Namibia (6)
- Niger (3)
- Nigeria (1)
- Reunion (2)
- Rwanda (1)
- Senegal (8)
- Seychelles (1)
- South Africa (14)
- St. Helena (1)
- Sudan (1)
- Swaziland (1)
- São Tomé and Príncipe (1)
- Togo (1)
- Tunisia (11)
- Uganda (1)
- Western Sahara (1)
- Zambia (1)
- Zimbabwe (1)
Asia
- Afghanistan (15)
- Armenia (2)
- Azerbaijan (2)
- Bahrain (1)
- Bangladesh (1)
- Brunei Darussalam (1)
- Cambodia (2)
- China (34)
- Christmas Island (1)
- Cyprus (4)
- Georgia (3)
- Guam (2)
- Hong Kong (1)
- India (16)
- Indonesia (11)
- Iran (50)
- Iraq (4)
- Israel (6)
- Japan (65)
- Jordan (3)
- Kazakhstan (12)
- Kuwait (4)
- Kyrgyzstan (3)
- Lebanon (1)
- Macau (1)
- Malaysia (24)
- Maldives (1)
- Marshall Islands (1)
- Mongolia (1)
- Myanmar (Burma) (2)
- Nepal (1)
- Northern Mariana Islands (3)
- Oman (2)
- Pakistan (6)
- Palau (2)
- Philippines (7)
- Qatar (2)
- Saudi Arabia (30)
- Singapore (3)
- South Korea (11)
- Sri Lanka (1)
- Syria (4)
- Taiwan (3)
- Tajikistan (2)
- Thailand (21)
- Turkey (25)
- Turkmenistan (5)
- Tuvalu (1)
- United Arab Emirates (9)
- Uzbekistan (9)
- Vietnam (4)
- Wake Island (1)
- Yemen (6)
Australia
- American Samoa (1)
- Australia (43)
- Cocos (Keeling) Islands (1)
- Cook Islands (1)
- Fiji (2)
- French Polynesia (1)
- Micronesia (2)
- New Caledonia (1)
- New Zealand (3)
- Norfolk Island (1)
- Papua New Guinea (1)
- Samoa (1)
- Solomon Islands (1)
- Tonga (1)
North America
- Antigua and Barbuda (3)
- Aruba (1)
- The Bahamas (3)
- Barbados (1)
- Belize (1)
- Bermuda (1)
- Cayman Islands (2)
- Costa Rica (4)
- Cuba (8)
- Dominica (1)
- Dominican Republic (8)
- El Salvador (2)
- Greenland (13)
- Grenada (1)
- Guadeloupe (1)
- Guatemala (8)
- Honduras (13)
- Jamaica (2)
- Martinique (1)
- Mexico (58)
- Midway Islands (1)
- Netherlands Antilles (2)
- Nicaragua (5)
- Panama (3)
- Puerto Rico (3)
- St Lucia (1)
- St Pierre and Miquelon (1)
- St. Kitts and Nevis (1)
- St. Lucia (1)
- St. Vincent and the Grenadines (1)
- Trinidad & Tobago (2)
- Turks and Caicos Islands (1)
- US Virgin Islands (2)
Numbers in parenthesis are the number of stations with averages available. It is not necessarily all stations in that area.