Official NWS Observations By Dr. Greg Latta, Official NWS Observer April, 2002 ------------------------------------------------------------------------ Temperatures: TMax = Maximum temperature between 7 A.M. the previous day and 7 A.M. on the day indicated. TMin = Minimum temperature between 7 A.M. the previous day and 7 A.M. on the day indicated. TCur = Current temperature at 7 A.M. on the day indicated. All temperatures are in degrees Fahrenheit Month Day Year TMax TMin TCur 4 1 2002 50 35 37 4 2 2002 50 33 39 4 3 2002 70 39 47 4 4 2002 47 23 26 4 5 2002 42 26 27 4 6 2002 43 22 23 4 7 2002 37 19 20 4 8 2002 54 20 40 4 9 2002 69 40 53 4 10 2002 64 37 37 4 11 2002 64 36 39 4 12 2002 66 36 37 4 13 2002 69 37 53 4 14 2002 61 47 49 4 15 2002 69 48 56 4 16 2002 76 55 62 4 17 2002 84 60 60 4 18 2002 85 59 64 4 19 2002 83 59 59 4 20 2002 84 59 61 4 21 2002 69 49 49 4 22 2002 49 37 38 4 23 2002 55 30 31 4 24 2002 47 28 28 4 25 2002 63 28 44 4 26 2002 55 37 37 4 27 2002 59 33 33 4 28 2002 57 33 49 4 29 2002 75 39 39 4 30 2002 43 37 37 ----------------------------------------------------------------------- Precipitation Amounts and Current Weather: RainEq = Rain or rain equivalent of melted snow, sleet, or ice. SnowEtc = Amount of snowfall between 7 A.M. the previous day and 7 A.M. on the day indicated. SnowOnGround = Total average amount of snow on the ground at 7 A.M. on the day indicated. All precipitation amounts are in inches. 0.001 inches = Trace Current Weather = Current weather at 7 A.M. on the day indicated. See the chart below for a list of weather codes and their meanings. If more than one code applies the higher code is always used. Month Day Year RainEq SnowEtc SnowOnGround Current X.XX X.X X Weather 4 1 2002 0.860 0.000 0.000 51 4 2 2002 0.001 0.000 0.000 2 4 3 2002 0.000 0.000 0.000 3 4 4 2002 0.010 0.001 0.000 1 4 5 2002 0.000 0.000 0.000 2 4 6 2002 0.001 0.001 0.001 71 4 7 2002 0.001 0.001 0.000 1 4 8 2002 0.000 0.000 0.000 3 4 9 2002 0.000 0.000 0.000 3 4 10 2002 0.210 0.000 0.000 1 4 11 2002 0.000 0.000 0.000 1 4 12 2002 0.000 0.000 0.000 1 4 13 2002 0.070 0.000 0.000 61 4 14 2002 0.200 0.000 0.000 10 4 15 2002 0.640 0.000 0.000 2 4 16 2002 0.050 0.000 0.000 1 4 17 2002 0.000 0.000 0.000 1 4 18 2002 0.000 0.000 0.000 2 4 19 2002 0.000 0.000 0.000 2 4 20 2002 0.000 0.000 0.000 3 4 21 2002 0.080 0.000 0.000 3 4 22 2002 0.910 0.000 0.000 45 4 23 2002 0.030 0.000 0.000 3 4 24 2002 0.000 0.000 0.000 1 4 25 2002 0.020 0.000 0.000 3 4 26 2002 0.000 0.000 0.000 1 4 27 2002 0.000 0.000 0.000 1 4 28 2002 1.150 0.000 0.000 63 4 29 2002 0.440 0.000 0.000 3 4 30 2002 0.010 0.000 0.000 1 Current Weather codes: 01 Clear Sky (few or no clouds) 02 Partly Cloudy 03 Mostly Cloudy/Cloudy (little or no blue sky or stars) 04 Smoke (resulting from forest fires) 05 Haze 07 Dust and/or Sand raised by the wind 10 Light fog (visibility greater than 1/2 mile) 13 Lightning (with no thunder heard) 17 Thunderstorm (with no rain or snow) 45 Fog (visibility less than 1/2 mile) 51 Drizzle (light) 53 Drizzle (moderate) 55 Drizzle (heavy) 61 Rain (light) 63 Rain (moderate) 65 Rain (heavy) 66 Rain (freezing) 68 Rain and Snow Mixed 71 Snow (light) 73 Snow (moderate) 75 Snow (heavy) 79 Sleet 80 Rain Showers 83 Mixed Showers of Rain and Snow 85 Snow Showers (light) 86 Snow Showers (moderate or heavy) 89 Hail (no thunder heard) 93 Thunderstorm with Rain 94 Thunderstorm with Snow 95 Thunderstorm with Rain and Snow 96 Thunderstorm with hail smaller than dime sized 97 Thunderstorm with heavy rain and/or heavy snow 99 Thunderstorm with hail larger than a dime ----------------------------------------------------------------------- Other Observations: A "1" indicates that the condition occurred somewhere between 7 A.M. the previous day and 7 A.M. on the day indicated. Month Day Year Fog Ice Glaze Thunder Hail Damaging Pellets Winds 4 1 2002 1 0 0 0 0 0 4 2 2002 0 0 0 0 0 0 4 3 2002 0 0 0 0 0 0 4 4 2002 0 0 0 0 0 0 4 5 2002 0 0 0 0 0 0 4 6 2002 0 0 0 0 0 0 4 7 2002 0 0 0 0 0 0 4 8 2002 0 0 0 0 0 0 4 9 2002 0 0 0 0 0 0 4 10 2002 0 0 0 0 0 0 4 11 2002 0 0 0 0 0 0 4 12 2002 0 0 0 0 0 0 4 13 2002 0 0 0 0 0 0 4 14 2002 1 0 0 0 0 0 4 15 2002 1 0 0 1 0 0 4 16 2002 0 0 0 0 0 0 4 17 2002 0 0 0 0 0 0 4 18 2002 0 0 0 0 0 0 4 19 2002 0 0 0 0 0 0 4 20 2002 0 0 0 0 0 0 4 21 2002 0 0 0 0 0 0 4 22 2002 1 0 0 1 0 0 4 23 2002 1 0 0 0 0 0 4 24 2002 0 0 0 0 0 0 4 25 2002 0 0 0 0 0 0 4 26 2002 0 0 0 0 0 0 4 27 2002 0 0 0 0 0 0 4 28 2002 1 0 0 0 0 0 4 29 2002 1 0 0 1 0 0 4 30 2002 0 0 0 0 0 0