Official NWS Observations By Dr. Greg Latta, Official NWS Observer April, 1998 ------------------------------------------------------------------------ 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 1998 82 56 60 4 2 1998 67 44 46 4 3 1998 61 34 37 4 4 1998 61 33 33 4 5 1998 42 32 33 4 6 1998 51 30 30 4 7 1998 56 29 32 4 8 1998 65 32 44 4 9 1998 68 44 48 4 10 1998 49 34 35 4 11 1998 53 30 31 4 12 1998 55 30 33 4 13 1998 62 33 40 4 14 1998 70 40 51 4 15 1998 67 49 50 4 16 1998 69 49 50 4 17 1998 69 50 56 4 18 1998 64 37 38 4 19 1998 59 37 42 4 20 1998 45 37 37 4 21 1998 56 36 38 4 22 1998 65 38 42 4 23 1998 60 42 45 4 24 1998 58 41 43 4 25 1998 68 42 53 4 26 1998 67 48 49 4 27 1998 70 33 34 4 28 1998 55 31 31 4 29 1998 64 31 40 4 30 1998 71 40 54 ----------------------------------------------------------------------- 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. "T" = 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 1998 0.08 0.0 0 3 4 2 1998 0.13 0.0 0 1 4 3 1998 0.00 0.0 0 3 4 4 1998 0.26 T 0 71 4 5 1998 0.03 T 0 3 4 6 1998 0.00 0.0 0 1 4 7 1998 0.00 0.0 0 1 4 8 1998 0.00 0.0 0 3 4 9 1998 0.35 0.0 0 10 4 10 1998 1.73 0.0 0 61 4 11 1998 0.04 0.0 0 1 4 12 1998 0.00 0.0 0 1 4 13 1998 0.00 0.0 0 1 4 14 1998 0.00 0.0 0 3 4 15 1998 0.05 0.0 0 3 4 16 1998 0.00 0.0 0 3 4 17 1998 0.04 0.0 0 61 4 18 1998 0.01 0.0 0 3 4 19 1998 1.09 0.0 0 63 4 20 1998 1.28 0.0 0 3 4 21 1998 T 0.0 0 1 4 22 1998 0.00 0.0 0 2 4 23 1998 T 0.0 0 2 4 24 1998 0.00 0.0 0 1 4 25 1998 0.03 0.0 0 1 4 26 1998 0.03 0.0 0 3 4 27 1998 0.64 0.0 0 1 4 28 1998 0.00 0.0 0 1 4 29 1998 0.00 0.0 0 2 4 30 1998 0.05 0.0 0 61 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 1998 0 0 0 0 0 0 4 2 1998 0 0 0 0 0 0 4 3 1998 0 0 0 0 0 0 4 4 1998 0 0 0 0 0 0 4 5 1998 0 0 0 0 0 0 4 6 1998 0 0 0 0 0 0 4 7 1998 0 0 0 0 0 0 4 8 1998 0 0 0 0 0 0 4 9 1998 1 0 0 1 0 0 4 10 1998 1 0 0 1 0 0 4 11 1998 0 0 0 0 0 0 4 12 1998 0 0 0 0 0 0 4 13 1998 0 0 0 0 0 0 4 14 1998 0 0 0 0 0 0 4 15 1998 0 0 0 0 0 0 4 16 1998 0 0 0 0 0 0 4 17 1998 0 0 0 0 0 0 4 18 1998 0 0 0 0 0 0 4 19 1998 1 0 0 0 0 0 4 20 1998 1 0 0 0 0 0 4 21 1998 0 0 0 0 0 0 4 22 1998 0 0 0 0 0 0 4 23 1998 0 0 0 0 0 0 4 24 1998 0 0 0 0 0 0 4 25 1998 0 0 0 0 0 0 4 26 1998 0 0 0 0 0 0 4 27 1998 1 0 0 0 0 0 4 28 1998 0 0 0 0 0 0 4 29 1998 0 0 0 0 0 0 4 30 1998 0 0 0 0 0 0