WETS Station : VIENNA DUNN LORING, VA8737 Creation Date: 10/23/2002 Latitude: 3854 Longitude: 07713 Elevation: 420 State FIPS/County(FIPS): 51059 County Name: Fairfax 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 | ----- | ----- | ----- | 3.41 | 2.51 | 4.29 | 6 | 7.4 | February | ----- | ----- | ----- | 2.88 | 1.77 | 3.65 | 5 | 6.0 | March | ----- | ----- | ----- | 3.97 | 2.83 | 4.87 | 6 | 2.7 | April | ----- | ----- | ----- | 3.37 | 2.39 | 4.23 | 6 | 0.1 | May | ----- | ----- | ----- | 4.59 | 3.40 | 5.53 | 8 | 0.0 | June | ----- | ----- | ----- | 3.78 | 2.37 | 4.02 | 6 | 0.0 | July | ----- | ----- | ----- | 4.33 | 3.06 | 5.34 | 7 | 0.0 | August | ----- | ----- | ----- | 4.06 | 2.73 | 5.21 | 6 | 0.0 | September | ----- | ----- | ----- | 4.49 | 2.61 | 5.26 | 6 | 0.0 | October | ----- | ----- | ----- | 3.58 | 2.67 | 4.92 | 5 | 0.0 | November | ----- | ----- | ----- | 3.49 | 2.20 | 4.50 | 5 | 0.7 | December | ----- | ----- | ----- | 3.18 | 1.94 | 3.86 | 6 | 2.1 | ----------|-------|-------|-------|--------|--------|--------|----|------| ----------|-------|-------|-------|--------|--------|--------|----|------| Annual | ----- | ----- | ----- | ------ | 40.83 | 47.91 | -- | ---- | ----------|-------|-------|-------|--------|--------|--------|----|------| Average | 0.0 | 0.0 | 0.0 | ------ | ------ | ------ | -- | ---- | ----------|-------|-------|-------|--------|--------|--------|----|------| Total | ----- | ----- | ----- | 45.13 | ------ | ------ | 72 | 19.1 | ----------|-------|-------|-------|--------|--------|--------|----|------| -------------------------------------------------------------------------| 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 * | ---------- | ---------- | ---------- | ------ | ------ | ------ | | | 70 percent * | ---------- | ---------- | ---------- | ------ | ------ | ------ | | | --------------------------------------------------------------------------- * Percent chance of the growing season occurring between the Beginning and Ending dates. total 1948-2002 prcp Station : VA8737, VIENNA DUNN LORING ------- Unit = inches yr jan feb mar apr may jun jul aug sep oct nov dec annl ------- ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- 48 7.76 3.66 4.52 6.87 5.49 28.30 49 5.22 3.20 M2.24 M6.49 3.75 3.16 3.78 M0.75 2.19 30.78 50 2.05 3.24 4.16 1.26 6.55 4.58 5.44 4.20 6.49 3.91 2.46 3.96 48.30 51 2.39 2.58 3.86 3.83 2.65 7.72 2.09 1.75 3.14 1.23 5.74 4.16 41.14 52 4.18 1.75 4.49 7.87 6.03 1.91 5.67 M5.18 5.00 0.97 6.95 3.46 53.46 53M3.39 2.03 5.67 4.57 6.71 3.25 3.74 1.78 3.84 3.04 2.08 3.81 43.91 54 2.92 0.90 3.88 3.29 3.91 1.96 1.82 6.03 0.98 3.62 1.76 3.05 34.12 55 0.21 3.10 4.04 2.57 2.54 5.33 1.79 14.89 0.86 4.32 1.76 0.32 41.73 56 2.09 2.74 4.21 2.45 1.86 3.99 11.93 2.86 6.02 3.54 2.35 2.83 46.87 57 2.95 2.91 2.45 3.56 2.30 2.93 0.61 2.15 6.21 3.21 3.11 5.86 38.25 58 3.32 3.77 5.77 4.09 2.74 3.81 7.95 6.53 1.42 2.29 1.70 1.85 45.24 59 2.42 1.54 2.51 4.57 2.55 3.57 3.85 3.77 2.96 3.83 2.72 2.23 36.52 60 2.70 3.94 2.52 3.42 5.32 3.15 4.93 3.88 4.76 2.13 1.38 2.48 40.61 61 3.15 4.97 3.75 4.21 3.34 5.99 4.17 6.83 2.55 3.16 2.30 3.33 47.75 62 1.78 3.76 4.25 3.15 3.86 3.85 1.80 0.80 3.55 0.81 6.11 3.34 37.06 63 1.88 1.84 4.88 1.15 1.97 10.06 0.73 4.58 3.33 0.02 8.70 2.10 41.24 64 4.52 4.34 2.65 5.03 2.47 1.80 2.29 2.25 3.96 2.08 1.52 2.98 35.89 65 3.32 2.45 4.86 2.22 2.27 1.73 3.40 4.50 2.32 3.42 0.61 0.37 31.47 66 4.39 3.74 0.92 3.74 4.74 1.83 1.90 1.53 11.30 4.32 1.73 3.32 43.46 67 1.03 2.13 4.30 1.17 4.52 1.02 2.46 12.12 0.69 3.00 2.50 5.67 40.61 68 2.33 0.63 3.87 1.47 6.05 5.47 1.74 4.92 5.89 2.67 4.27 2.28 41.59 69 2.17 2.29 2.27 1.75 1.72 6.01 10.82 5.98 3.06 1.14 2.74 6.67 46.62 70 1.27 2.96 2.93 4.37 2.04 3.73 5.48 2.23 1.02 2.80 5.47 3.45 37.75 71 2.84 5.55 2.48 2.50 8.76 2.03 5.44 6.53 4.60 5.97 3.75 1.34 51.79 72 2.30 6.31 2.60 5.70 4.60 15.14 2.26 2.00 1.50 4.80 6.95 5.47 59.63 73 2.61 2.84 3.62 6.47 4.73 2.35 6.22 4.69 2.83 2.09 1.25 6.47 46.17 74 3.41 1.00 4.24 1.92 3.91 5.09 2.28 6.83 5.79 1.54 1.62 M3.40 41.03 75 3.06 2.17 4.86 2.72 5.92 3.30 7.27 4.05 10.92 2.45 2.70 4.70 54.12 76 3.24 1.59 3.24 1.90 3.90 2.85 5.47 3.10 6.73 7.94 0.80 1.66 42.42 77 1.25 0.42 3.57 2.82 2.90 3.82 3.61 3.39 1.88 5.08 5.69 4.45 38.88 78 7.21 0.38 3.83 1.45 5.71 3.37 5.72 6.32 1.08 1.43 2.77 3.91 43.18 79 7.40 M5.57 3.31 2.46 3.47 4.33 5.04 6.34 8.98 7.06 2.91 0.82 57.69 80 2.74 1.11 5.50 5.10 4.25 2.03 5.22 2.73 2.75 2.98 3.21 0.69 38.31 81 0.44 3.42 1.22 2.62 4.77 4.37 6.30 5.83 2.50 4.14 0.43 2.58 38.62 82 2.70 4.34 3.15 3.43 3.49 5.14 3.62 5.37 3.85 2.36 3.60 2.28 43.33 83 1.54 3.16 5.11 7.56 4.54 8.11 2.36 1.69 3.80 6.03 5.03 5.62 54.55 84 1.41 3.91 6.25 4.53 4.64 1.89 6.10 6.19 2.56 2.98 3.87 1.31 45.64 85M2.08 3.65 2.38 0.42 6.35 2.76 2.83 2.03 5.68 4.09 5.76 0.77 38.80 86M3.37 3.43 0.78 2.90 1.21 1.47 4.72 6.12 0.96 1.91 5.55 5.56 37.98 87 4.48 1.98 1.86 4.09 3.09 5.49 1.38 1.36 6.51 3.08 4.79 2.79 40.90 88 2.69 2.27 2.67 2.36 6.10 1.48 3.92 2.90 2.09 1.80 5.32 1.16 34.76 89 3.22 3.06 4.76 3.41 10.48 4.25 4.84 0.38 2.52 5.72 2.17 2.05 46.86 90 3.37 1.56 3.44 5.13 4.74 2.20 5.93 8.25 1.35 7.19 2.96 5.19 51.31 91 3.27 0.78 5.46 1.70 2.32 2.94 5.98 1.47 3.31 3.00 1.97 5.30 37.50 92M2.75 2.19 3.49 3.71 4.28 1.92 6.86 2.96 6.45 1.68 4.37 4.61 45.27 93 3.39 2.50 9.05 4.70 5.37 1.79 2.48 5.65 4.93 2.69 5.93 4.45 52.93 94 4.64 4.16 8.48 1.88 2.00 3.76 7.05 7.26 4.19 1.46 2.64 1.54 49.06 95 4.27 1.73 1.41 1.19 5.56 4.15 M3.97 1.98 M2.95 6.11 4.98 M1.75 40.05 96M4.63 M0.63 3.94 3.23 7.11 2.67 6.04 4.29M10.61 5.25 M4.00 5.91 58.31 97M2.83 2.22 4.84 2.96 5.38 2.25 M1.25 2.47 5.03 M3.12 6.05 2.37 40.77 98 6.13 7.16 6.11 4.44 4.35 6.15 1.55 M2.06 2.03 1.22 0.74 2.01 43.95 99 5.79 2.85 4.13 2.28 1.57 2.38 1.19 4.42 11.15 2.14 M2.11 3.01 43.02 0 3.19 2.34 3.35 5.41 2.34 3.90 2.95 3.15 5.10 0.04 0.77 M2.20 34.74 1 2.90 2.11 5.57 1.92 5.93 6.09 4.41 7.22 2.27 0.94 0.85 M1.78 41.99 2 ----------