WETS Station : ROANOKE WSO AP, VA7285 Creation Date: 10/23/2002 Latitude: 3719 Longitude: 07958 Elevation: 1150 State FIPS/County(FIPS): 51770 County Name: Roanoke Start yr. - 1971 End yr. - 2000 -------------------------------------------------------------------------| | Temperature | Precipitation | | (Degrees F.) | (Inches) | |-----------------------|--------------------------------------| | | | | | 30% chance |avg | | | | | | | will have |# of| avg | |-------|-------|-------| |-----------------|days| total| Month | avg | avg | avg | avg | less | more |w/.1| snow | | daily | daily | | | than | than | or| fall | | max | min | | | | |more| | -------------------------------------------------------------------------| January | 44.7 | 26.5 | 35.6 | 3.23 | 2.00 | 4.07 | 6 | 5.9 | February | 48.9 | 28.7 | 38.8 | 3.08 | 1.96 | 3.79 | 6 | 6.8 | March | 57.7 | 36.2 | 46.9 | 3.84 | 2.57 | 4.59 | 6 | 3.1 | April | 67.7 | 44.2 | 55.9 | 3.61 | 2.18 | 4.35 | 5 | 0.7 | May | 75.5 | 52.7 | 64.1 | 4.24 | 3.07 | 5.14 | 7 | 0.0 | June | 82.8 | 61.0 | 71.9 | 3.67 | 2.03 | 4.40 | 6 | 0.0 | July | 86.9 | 65.7 | 76.3 | 4.00 | 2.61 | 5.12 | 7 | 0.0 | August | 85.5 | 64.2 | 74.8 | 3.74 | 2.34 | 4.49 | 6 | 0.0 | September | 78.4 | 57.4 | 67.9 | 3.85 | 1.95 | 4.93 | 6 | 0.0 | October | 68.3 | 45.2 | 56.7 | 3.15 | 1.55 | 4.62 | 5 | 0.0 | November | 57.8 | 36.9 | 47.3 | 3.21 | 1.88 | 3.66 | 5 | 1.2 | December | 48.3 | 29.6 | 39.0 | 2.86 | 1.96 | 3.51 | 5 | 2.7 | ----------|-------|-------|-------|--------|--------|--------|----|------| ----------|-------|-------|-------|--------|--------|--------|----|------| Annual | ----- | ----- | ----- | ------ | 38.37 | 46.32 | -- | ---- | ----------|-------|-------|-------|--------|--------|--------|----|------| Average | 66.9 | 45.7 | 56.3 | ------ | ------ | ------ | -- | ---- | ----------|-------|-------|-------|--------|--------|--------|----|------| Total | ----- | ----- | ----- | 42.48 | ------ | ------ | 70 | 20.4 | ----------|-------|-------|-------|--------|--------|--------|----|------| -------------------------------------------------------------------------| GROWING SEASON DATES --------------------------------------------------------------------------- | Temperature ---------------------|----------------------------------------------------- Probability | 24 F or higher | 28 F or higher | 32 F or higher | ---------------------|-----------------|-----------------|----------------- | Beginning and Ending Dates | Growing Season Length | 50 percent * | 3/16 to 11/18 | 3/28 to 11/ 1 | 4/12 to 10/21 | 247 days | 218 days | 192 days | | | 70 percent * | 3/ 9 to 11/25 | 3/24 to 11/ 6 | 4/ 7 to 10/25 | 261 days | 227 days | 201 days | | | --------------------------------------------------------------------------- * Percent chance of the growing season occurring between the Beginning and Ending dates. total 1948-2002 prcp Station : VA7285, ROANOKE WSO AP ------- Unit = inches yr jan feb mar apr may jun jul aug sep oct nov dec annl ------- ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- 48 8.59 4.60 2.55 6.36 7.11 29.21 49 4.35 1.93 2.91 5.15 3.37 6.81 7.85 9.12 1.46 3.29 1.68 1.80 49.72 50 2.40 2.61 2.17 1.71 8.42 2.73 5.21 2.74 6.10 2.43 1.26 3.91 41.69 51 1.03 2.19 4.06 4.47 1.33 5.37 2.33 1.63 1.84 1.12 3.40 M2.81 31.58 52 4.44 2.58 3.67 4.76 3.53 2.12 1.86 7.79 0.89 1.17 3.16 3.14 39.11 53 2.78 3.08 5.13 2.69 4.12 5.34 1.47 2.08 1.47 0.42 1.03 3.81 33.42 54 4.77 3.83 2.76 1.08 3.42 2.82 3.27 3.18 1.13 6.76 2.91 3.95 39.88 55 1.19 3.87 4.84 3.84 3.12 3.70 2.73 4.70 1.64 1.61 1.88 0.84 33.96 56 0.60 4.87 2.22 3.12 1.58 1.72 2.85 2.58 5.74 6.80 1.84 1.91 35.83 57 3.74 5.31 1.48 4.55 2.23 5.35 1.13 1.20 7.06 2.37 3.39 2.46 40.27 58 3.66 3.40 4.76 2.83 5.00 1.88 6.21 3.28 1.56 1.12 1.66 4.15 39.51 59 2.37 1.04 3.38 4.27 3.17 2.82 2.81 4.49 4.95 3.97 1.94 2.18 37.39 60 1.92 7.17 3.96 2.19 5.91 1.46 2.06 4.69 3.30 3.62 0.44 2.23 38.95 61 1.61 4.50 4.17 3.86 2.05 3.79 1.59 5.41 1.79 3.35 3.62 5.07 40.81 62 2.54 3.22 4.76 1.69 2.70 3.08 5.34 3.55 3.66 2.22 5.11 3.35 41.22 63 1.10 1.97 3.89 0.87 1.94 2.61 2.68 1.81 2.87 0.27 3.80 1.86 25.67 64 5.20 5.33 1.81 3.54 1.79 1.97 3.37 3.54 2.70 2.80 3.09 2.73 37.87 65 3.72 3.53 3.93 1.70 3.83 1.83 5.50 1.16 1.97 3.42 0.95 0.18 31.72 66 4.26 4.78 0.43 2.59 3.49 1.54 3.00 4.73 7.25 4.04 1.73 3.25 41.09 67 1.25 2.51 4.51 1.67 3.95 3.19 4.05 6.36 1.78 2.42 1.30 4.84 37.83 68 3.33 0.56 3.03 2.73 1.89 2.11 2.95 5.36 0.44 8.06 2.82 1.80 35.08 69 1.86 2.74 3.35 1.40 1.58 4.95 5.35 5.41 2.79 2.22 1.40 5.54 38.59 70 1.31 2.36 1.95 2.80 1.51 4.87 3.28 6.40 1.99 7.51 3.67 2.81 40.46 71 1.21 5.13 2.28 2.55 7.50 4.84 5.23 4.46 3.87 6.75 2.18 0.83 46.83 72 2.49 4.80 1.76 3.31 6.00 7.55 4.89 2.62 4.79 3.18 5.63 4.62 51.64 73 2.60 2.95 5.92 5.39 5.58 3.65 5.10 3.34 1.84 4.28 1.79 5.60 48.04 74 3.33 2.13 3.12 1.86 3.76 2.93 3.71 4.93 3.04 0.77 1.28 3.16 34.02 75 3.59 3.05 7.80 2.04 6.65 1.54 5.15 5.68 6.46 3.01 1.77 3.67 50.41 76 2.16 1.27 4.54 0.48 6.13 5.20 1.24 2.20 3.17 9.72 1.31 2.59 40.01 77 1.46 0.74 2.61 3.50 1.52 2.41 0.45 2.29 2.71 4.70 6.46 2.49 31.34 78 6.12 0.65 5.92 7.54 4.85 2.05 4.83 6.33 0.52 0.78 2.55 3.15 45.29 79 5.27 5.37 3.38 3.99 2.65 5.78 3.97 3.37 9.18 3.56 3.77 1.13 51.42 80 4.10 0.67 5.41 5.51 2.66 1.81 5.18 2.87 1.66 2.30 1.78 0.60 34.55 81 0.29 2.43 2.30 1.75 4.56 2.49 2.86 1.32 4.52 3.90 0.68 3.79 30.89 82 3.76 4.75 2.33 2.01 4.83 4.99 3.98 5.20 2.67 4.13 3.65 2.53 44.83 83 1.28 4.12 6.41 7.95 3.17 2.38 1.67 2.23 1.52 7.73 4.26 5.61 48.33 84 1.35 4.85 4.30 3.97 4.49 2.34 4.17 9.54 2.69 1.42 2.67 1.84 43.63 85 2.45 3.64 1.80 1.75 6.89 2.08 4.18 8.67 1.26 3.77 12.36 0.85 49.70 86 0.93 2.87 1.36 1.67 4.15 0.62 2.83 4.31 3.04 2.76 3.73 5.48 33.75 87 4.53 4.55 4.11 11.35 2.68 0.71 3.21 1.08 11.09 1.10 5.00 2.16 51.57 88 1.87 1.07 0.88 3.40 2.76 3.66 3.75 4.30 3.01 1.26 2.42 1.28 29.66 89 1.31 2.04 2.96 2.54 6.46 7.76 10.09 1.65 8.94 4.13 3.86 2.60 54.34 90 2.33 2.76 3.42 2.07 7.45 0.83 3.80 4.42 1.86 9.89 1.08 3.79 43.70 91 3.55 2.10 7.58 2.49 2.88 2.42 7.22 2.31 0.15 0.04 2.51 3.81 37.06 92 2.51 3.75 2.54 4.89 6.06 6.87 1.73 2.38 2.07 1.90 5.60 2.62 42.92 93 3.77 3.44 7.91 2.77 2.37 2.49 1.24 1.04 4.58 2.15 2.60 5.27 39.63 94 4.52 5.34 5.67 5.59 1.69 1.99 7.07 4.22 0.76 1.84 1.53 2.41 42.63 95 7.28 1.88 1.31 0.79 4.55 10.32 2.34 0.74 2.04 3.49 3.39 2.32 40.45 96 6.87 2.12 3.75 1.76 4.58 7.65 2.63 6.40 10.14 1.57 4.75 2.72 54.94 97 2.18 2.21 3.12 2.51 1.04 5.43 3.38 2.22 3.43 1.50 2.65 2.37 32.04 98 7.97 8.00 5.20 4.58 4.47 2.03 0.86 6.17 1.10 1.47 0.85 2.32 45.02 99 3.70 2.14 2.77 2.70 2.27 0.85 5.96 2.63 7.38 1.24 2.09 2.46 36.19 0 2.08 1.69 2.86 5.71 2.67 4.57 7.16 3.16 5.88 0.02 2.08 1.67 39.55 1 1.79 0.90 4.48 0.81 4.67 1.51 3.13 2.02 2.12 0.43 0.60 2.48 24.94 2 ----------