| Station: Mountain States Weather Services | Standard time used: Mountain | Latitude: 40° 35' | Longitude: 105° 01' | Elevation (ground): 4920 feet | Year: 2001 | ||||||||||||||||||||||||||||||||||||||||||||||
| Fort Collins, Larimer County, Colorado | |||||||||||||||||||||||||||||||||||||||||||||||||||
| Temperature (°F) | Degree | Precipitation (in.) | Relative Humidity (%) | Wind | Number of Days | ||||||||||||||||||||||||||||||||||||||||||||||
| Averages | Extremes | days | Water equivalent | Snow, Ice pellets | Local Time | Fastest mile | Peak Gust | Sunrise to Sunset | Max. | Min. | |||||||||||||||||||||||||||||||||||||||||
| Month | Daily Maximum | Daily Minimum | Monthly | Highest | Date | Lowest | Date | Heating (Base 65° F) | Cooling (Base 65° F) | Total | Greatest in 24 hrs. | Date | Total | Greatest in 24 hrs. | Date | 0500 Hour | 1100 Hour | 1700 Hour | 2300 Hour | Prevailing Direction (10s of Deg.) | Average Speed (mph) | Speed (mph) | Direction (10s of Deg.) | Date | Speed (mph) | Direction (10s of Deg.) | Date | Avg. sky cover, tenths, midnight-midnight | Avg. sky cover, tenths, sunrise to sunset | Clear | Partly Cloudy | Cloudy | Precipitation trace or more | Precipitation .01 inch or more | Precipitation .10 inch or more | Precipitation .50 inch or more | Precipitation 1.00 inch or more | Snow, Ice pellets trace or more | Snow, Ice pellets .1 inch or more | Snow, Ice pellets 1.0 inch or more | Snow, Ice pellets 3.0 inch or more | Snow, Ice pellets 6.0 inch or more | Thunderstorms | Heavy fog, visibility 1/4 mile or less | Wind gust 39 m.p.h. or more | Wind gust 50 m.p.h. or more | Wind gust 74 m.p.h. or more | Temperature 90°Fand above | Temperature 32°F and below | Temperature 32°F and below | Temperature 0°F and below |
| JAN | 42.1 | 16.5 | 29.3 | 66 | 4 | 1 | 17 | 1103 | 0 | 0.59 | 0.22 | 15-16 | 9.6 | 4.3 | 15-16 | 82 | 50 | 47 | 75 | 34 | 5.0 | 33 | 33 | 13 | 46 | 33 | 13 | 6.0 | 5.7 | 11 | 8 | 12 | 6 | 5 | 3 | 0 | 0 | 6 | 5 | 3 | 1 | 0 | 0 | 2 | 1 | 0 | 0 | 0 | 4 | 31 | 0 |
| FEB | 39.9 | 17.0 | 28.5 | 58 | 5 | -12 | 9 | 1004 | 0 | 0.25 | 0.11 | 7-8 | 4.4 | 2.5 | 7-8 | 85 | 57 | 50 | 82 | 12 | 5.2 | 25 | 29 | 5 | 33 | 29 | 5 | 6.5 | 7.2 | 4 | 8 | 16 | 11 | 8 | 1 | 0 | 0 | 8 | 6 | 2 | 0 | 0 | 0 | 4 | 0 | 0 | 0 | 0 | 6 | 28 | 2 |
| MAR | 52.0 | 26.4 | 39.2 | 69 | 20 | 17 | 16 | 793 | 0 | 0.87 | 0.21 | 25 | 8.4 | 2.7 | 30-31 | 87 | 43 | 38 | 72 | 34 | 5.6 | 32 | 35 | 14 | 50 | 33 | 15 | 7.4 | 7.3 | 4 | 9 | 18 | 14 | 9 | 3 | 0 | 0 | 9 | 7 | 5 | 0 | 0 | 0 | 2 | 3 | 1 | 0 | 0 | 1 | 27 | 0 |
| APR | 62.8 | 36.3 | 49.6 | 81 | 18 | 28 | 1 | 451 | 0 | 2.82 | 1.56 | 21-22 | 9.7 | 7.1 | 21-22 | 80 | 38 | 33 | 67 | 14 | 6.6 | 29 | 35 | 11 | 41 | 35 | 11 | 6.1 | 7.0 | 2 | 14 | 14 | 8 | 6 | 4 | 2 | 2 | 4 | 4 | 3 | 1 | 0 | 2 | 1 | 1 | 0 | 0 | 0 | 0 | 10 | 0 |
| MAY | 70.0 | 42.5 | 56.3 | 86 | 13 | 32 | 3 | 258 | 3 | 3.98 | 1.01 | 2-3 | 10.1 | 5.8 | 2-3 | 84 | 40 | 45 | 75 | 34 | 5.6 | 35 | 04 | 20 | 51 | 04 | 20 | 6.3 | 6.7 | 6 | 10 | 15 | 16 | 14 | 8 | 3 | 0 | 3 | 3 | 2 | 2 | 0 | 8 | 2 | 2 | 1 | 0 | 0 | 0 | 1 | 0 |
| JUN | 84.1 | 51.9 | 68.0 | 98 | 30 | 40 | 14 | 51 | 148 | 0.74 | 0.40 | 13 | 0.0 | - | - | 86 | 35 | 32 | 66 | 34 | 5.1 | 23 | 24 | 24 | 34 | 36 | 12 | 5.3 | 5.6 | 5 | 9 | 16 | 7 | 5 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6 | 2 | 0 | 0 | 0 | 11 | 0 | 0 | 0 |
| JUL | 90.1 | 59.3 | 74.7 | 100 | 29 | 53 | 17 | 0 | 306 | 1.74 | 0.99 | 13 | 0.0 | - | - | 87 | 35 | 35 | 68 | 14 | 4.8 | 33 | 33 | 2 | 46 | 33 | 2 | 5.5 | 6.0 | 5 | 18 | 8 | 11 | 7 | 3 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 12 | 0 | 1 | 0 | 0 | 17 | 0 | 0 | 0 |
| AUG | 87.7 | 56.1 | 71.9 | 97 | 5 | 49 | 17 | 1 | 221 | 0.36 | 0.10 | 6 | 0.0 | - | - | 83 | 33 | 32 | 72 | 34 | 4.8 | 24 | 36 | 19 | 32 | 03 | 27 | 6.2 | 6.7 | 5 | 12 | 14 | 13 | 10 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 10 | 0 | 0 | 0 | 0 | 15 | 0 | 0 | 0 |
| SEP | 81.3 | 46.7 | 64.0 | 93 | 3 | 32 | 9 | 87 | 64 | 0.86 | 0.46 | 7-8 | T | T | 7 | 84 | 32 | 33 | 74 | 34 | 4.7 | 25 | 32 | 1 | 37 | 02 | 7 | 4.0 | 4.5 | 13 | 10 | 7 | 13 | 9 | 3 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 6 | 0 | 0 | 0 | 0 | 7 | 0 | 1 | 0 |
| OCT | 63.8 | 34.1 | 49.0 | 83 | 2 | 24 | 26 | 490 | 0 | 0.26 | 0.17 | 4-5 | T | T | 4 | 78 | 40 | 37 | 68 | 34 | 5.6 | 29 | 32 | 31 | 49 | 32 | 31 | 6.5 | 6.8 | 4 | 14 | 13 | 6 | 4 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 2 | 0 | 0 | 0 | 0 | 10 | 0 |
| NOV | 55.1 | 25.8 | 40.5 | 75 | 5 | 2 | 28 | 728 | 0 | 0.92 | 0.49 | 7 | 4.5 | 3.0 | 25-26 | 87 | 42 | 47 | 81 | 34 | 5.0 | 23 | 03 | 26 | 36 | 36 | 23 | 5.0 | 5.3 | 12 | 7 | 11 | 7 | 5 | 3 | 0 | 0 | 5 | 4 | 1 | 1 | 0 | 0 | 3 | 0 | 0 | 0 | 0 | 3 | 22 | 0 |
| DEC | 44.8 | 16.7 | 30.8 | 65 | 3 | 7 | 13 | 1056 | 0 | 0.12 | 0.11 | 31-1 | 2.4 | 1.6 | 31-1 | 84 | 48 | 47 | 77 | 34 | 5.1 | 29 | 23 | 28 | 37 | 33 | 28 | 5.4 | 5.5 | 10 | 9 | 12 | 5 | 4 | 0 | 0 | 0 | 5 | 4 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 31 | 0 |
| ANN | 64.5 | 35.8 | 50.1 | 100 | AUG8+ | -12 | DEC 11 | 6022 | 742 | 13.51 | 1.56 | MAY 17 | 49.1 | 7.1 | MAR 15-16 | 84 | 41 | 40 | 73 | 34 | 5.3 | 35 | 30 | 17 | 51 | 32 | 17 | 5.9 | 6.2 | 81 | 128 | 156 | 117 | 86 | 33 | 6 | 2 | 42 | 33 | 17 | 5 | 0 | 45 | 16 | 10 | 2 | 0 | 50 | 16 | 161 | 2 |
| Note: + Last of more than one occurrence. | |||||||||||||||||||||||||||||||||||||||||||||||||||