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| Warmest October on Record |
October 2007 will go down as the warmest October on record at both Williamsport and Harrisburg.
The average temperature at Williamsport for the month was 59.4 degrees, which was 8.1°F above normal, and was 0.6°F above the previous record of 58.8 degrees set back in 1971.
The average temperature at Harrisburg for the month was 62.0 degrees, which was 7.5°F above normal, and was 0.5°F above the previous record of 61.5 degrees set back in 1984.
Below are October 2007 climate summaries for both sites along with monthly and year-to-date temperature and precipitation graphs.
CLIMATE REPORT
NATIONAL WEATHER SERVICE STATE COLLEGE PA
312 AM EDT THU NOV 1 2007
...................................
...THE WILLIAMSPORT CLIMATE SUMMARY FOR THE MONTH OF OCTOBER 2007...
...WARMEST OCTOBER ON RECORD AT WILLIAMSPORT...
CLIMATE NORMAL PERIOD 1971 TO 2000
CLIMATE RECORD PERIOD 1895 TO 2007
WEATHER OBSERVED NORMAL DEPART LAST YEAR`S
VALUE DATE(S) VALUE FROM VALUE DATE(S)
NORMAL
................................................................
TEMPERATURE (F)
RECORD
HIGH 93 10/02/1927
LOW 19 10/28/1936
HIGHEST 90 10/08 77 10/09
LOWEST 29 10/29 28 10/30
10/15
AVG. MAXIMUM 70.2 61.8 8.4 61.3
AVG. MINIMUM 48.5 40.9 7.6 40.9
MEAN 59.4 51.3 8.1 51.1
DAYS MAX >= 90 1 0.0 1.0 0
DAYS MAX <= 32 0 0.0 0.0 0
DAYS MIN <= 32 2 4.0 -2.0 7
DAYS MIN <= 0 0 0.0 0.0 0
PRECIPITATION (INCHES)
RECORD
MAXIMUM 9.60 1990
MINIMUM 0.19 1963
TOTALS 2.85 3.19 -0.34 5.40
DAILY AVG. 0.09 0.10 -0.01 0.17
DAYS >= .01 11 9.0 2.0 11
DAYS >= .10 6 5.0 1.0 7
DAYS >= .50 1 2.0 -1.0 5
DAYS >= 1.00 0 1.0 -1.0 2
GREATEST
24 HR. TOTAL 0.85 10/26 TO 10/27 10/19 TO 10/20
SNOWFALL (INCHES)
RECORDS
TOTAL 2.0 1925
TOTALS 0.0 0.1 -0.1 0.0
SINCE 7/1 0.0 0.1 -0.1 0.0
SNOWDEPTH AVG. 0 MM MM 0
DAYS >= 1.0 0 0.0 0.0 0
GREATEST
SNOW DEPTH 0 MM 0 MM
24 HR TOTAL 0.0 10/31 TO 10/31 10/20 TO 10/20
DEGREE_DAYS
HEATING TOTAL 223 417 -194 423
SINCE 7/1 310 551 -241 539
COOLING TOTAL 57 4 53 0
SINCE 1/1 928 709 219 772
.................................................................
WIND (MPH)
AVERAGE WIND SPEED 4.4
HIGHEST WIND SPEED/DIRECTION 28/250 DATE 10/27
HIGHEST GUST SPEED/DIRECTION 36/150 DATE 10/31
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
NUMBER OF DAYS FAIR 15
NUMBER OF DAYS PC 11
NUMBER OF DAYS CLOUDY 5
AVERAGE RH (PERCENT) 71
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 1 MIXED PRECIP 0
HEAVY RAIN 2 RAIN 5
LIGHT RAIN 13 FREEZING RAIN 0
LT FREEZING RAIN 0 HAIL 0
HEAVY SNOW 0 SNOW 0
LIGHT SNOW 0 SLEET 0
FOG 22 FOG W/VIS <= 1/4 MILE 5
HAZE 6
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
&&
OCTOBER 2007 WILL GO DOWN AS THE WARMEST OCTOBER ON RECORD AT
WILLIAMSPORT. THE AVERAGE TEMPERATURE WAS 59.4 DEGREES...OR +0.6
DEGREES ABOVE THE PREVIOUS RECORD OF 58.8 DEGREES SET BACK IN 1971.
MUCH OF THE RECORD WARMTH CAN BE ATTRIBUTED TO AN UNSEASONABLY WARM
START TO THE MONTH...WHERE AVERAGE TEMPERATURES RANGED FROM 11 TO 22
DEGREES ABOVE NORMAL.
A RECORD HIGH TEMPERATURE OF 90 DEGREES WAS SET ON
THE 8TH. THIS
BROKE THE OLD RECORD OF 81 SET IN 1949.
A RECORD HIGH TEMPERATURE OF 89 DEGREES WAS SET ON
THE 9TH. THIS
BROKE THE OLD RECORD OF 83 SET IN 1959.
________________________________________________________
CLIMATE REPORT
NATIONAL WEATHER SERVICE STATE COLLEGE PA
324 AM EDT THU NOV 1 2007
...................................
...THE HARRISBURG CLIMATE SUMMARY FOR THE MONTH OF OCTOBER 2007...
...WARMEST OCTOBER ON RECORD AT HARRISBURG...
CLIMATE NORMAL PERIOD 1971 TO 2000
CLIMATE RECORD PERIOD 1888 TO 2007
WEATHER OBSERVED NORMAL DEPART LAST YEAR`S
VALUE DATE(S) VALUE FROM VALUE DATE(S)
NORMAL
................................................................
TEMPERATURE (F)
RECORD
HIGH 96 10/07/1941
LOW 23 10/11/2000
10/24/1969
HIGHEST 89 10/09 81 10/03
LOWEST 35 10/29 32 10/30
10/15
AVG. MAXIMUM 71.9 64.3 7.6 63.1
AVG. MINIMUM 52.1 44.6 7.5 44.3
MEAN 62.0 54.5 7.5 53.7
DAYS MAX >= 90 0 0.0 0.0 0
DAYS MAX <= 32 0 0.0 0.0 0
DAYS MIN <= 32 0 1.0 -1.0 2
DAYS MIN <= 0 0 0.0 0.0 0
PRECIPITATION (INCHES)
RECORD
MAXIMUM 9.87 1976
MINIMUM 0.02 1924
TOTALS 3.40 3.06 0.34 5.01
DAILY AVG. 0.11 0.10 0.01 0.16
DAYS >= .01 9 8.0 1.0 11
DAYS >= .10 7 5.0 2.0 6
DAYS >= .50 4 2.0 2.0 4
DAYS >= 1.00 0 1.0 -1.0 1
GREATEST
24 HR. TOTAL 1.47 10/26 TO 10/27 10/27 TO 10/28
SNOWFALL (INCHES)
RECORDS
TOTAL 2.1 1925
TOTALS 0.0 0.2 -0.2 0.0
SINCE 7/1 0.0 0.2 -0.2 0.0
SNOWDEPTH AVG. 0 MM MM 0
DAYS >= 1.0 0 0.1 -0.1 0
GREATEST
SNOW DEPTH 0 MM 0 MM
24 HR TOTAL 0.0 10/31 TO 10/31 10/31 TO 10/31
DEGREE_DAYS
HEATING TOTAL 165 338 -173 350
SINCE 7/1 208 391 -183 423
COOLING TOTAL 81 11 70 7
SINCE 1/1 1281 955 326 1085
.................................................................
WIND (MPH)
AVERAGE WIND SPEED 5.3
HIGHEST WIND SPEED/DIRECTION 30/310 DATE 10/09
HIGHEST GUST SPEED/DIRECTION 35/300 DATE 10/09
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
NUMBER OF DAYS FAIR 19
NUMBER OF DAYS PC 7
NUMBER OF DAYS CLOUDY 5
AVERAGE RH (PERCENT) 73
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 0 MIXED PRECIP 0
HEAVY RAIN 5 RAIN 6
LIGHT RAIN 11 FREEZING RAIN 0
LT FREEZING RAIN 0 HAIL 0
HEAVY SNOW 0 SNOW 0
LIGHT SNOW 0 SLEET 0
FOG 21 FOG W/VIS <= 1/4 MILE 4
HAZE 16
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
&&
OCTOBER 2007 WILL GO DOWN AS THE WARMEST OCTOBER ON RECORD AT
HARRISBURG. THE AVERAGE TEMPERATURE WAS 62.0 DEGREES...OR +0.5
DEGREES ABOVE THE PREVIOUS RECORD OF 61.5 DEGREES SET BACK IN 1984.
MUCH OF THE RECORD WARMTH CAN BE ATTRIBUTED AN UNSEASONABLY WARM
START TO THE MONTH...WHERE AVERAGE TEMPERATURES RANGED FROM 12 TO 21
DEGREES ABOVE NORMAL.
A RECORD HIGH TEMPERATURE OF 88 DEGREES WAS SET ON THE 8TH. THIS
BROKE THE OLD RECORD OF 85 DEGREES SET IN 1916.
A RECORD HIGH TEMPERATURE OF 89 DEGREES WAS SET ON THE 9TH. THIS
BROKE THE OLD RECORD OF 86 SET IN
1949.
|
| Temperature graph at Williamsport |
| Year-to-date graph of temperature and precipitation at Williamsport |
| Temperature graph at Harrisburg |
| Year-to-date graph of temperature and precipitation at Harrisburg |
2007 Weather Events/Features:
- Strong Winds crossed the region on Dec 23rd, causing damage in spots.
- Ice and Snow Storm of December 13th
- First Clipper of the Season, December 5th
- Snow-Sleet-Freezing Rain-Rain of December 2nd and 3rd
- Snow Arrives in Central Pennsylvania (Nov 17-18)
- 2007 Holm Award
- New Snowfall/Winter reporting criteria for SkyWarn Spotters!
- October 2007 Warmest October Ever at Williamsport and Harrisburg
- Arctic Sea Ice Below Normal
- October 2007 will be the hottest October ever!
- October's (Record) Hot Weather
- Severe Storms and Tornado of 26 Sept 2007.
- Severe Thunderstorms - August 30, 2007
- Severe Thunderstorms - August 25, 2007
- Large Hail Producing Storms in Lycoming County - August 17th
- EF1 Tornado in Eastern Centre County (Aug 7th)
- Thunderstorms produced flooding, hail and wind damage on Sunday Evening (July 29th)
- Pulse severe storms on Saturday (July 28th)
- A Brief Reprieve From The Dry Summer Weather (July 20th)
- How dry has it been? (Mid July)
- Hot Weather Arrives in Central Pennsylvania (July 10th)
- Heavy Rain and Hail around Harrisburg on July 5th
- Office view of the State College fireworks display
- Pulse Storms in Record Heat of June 27th, 2007
- Widespread Severe Weather Event, June 19th, 2007
- Severe Thunderstorms in Northeast Flow - Day 2 - June 13th, 2007
- Severe Thunderstorms in Northeast Flow - Day 1 - June 12th, 2007
- Severe Squall Line Event June 8th, 2007
- Severe (Hail) Storms of 27 May 2007.
- NWS Open House Severe Weather Event, 12 May 2007.
- Severe (Hail) Storms of 10 May 2007.
- Late Season Nor'Easter (16 March).
- The Valentine's Day Storm (13-14 February).
- Late Start to the Snow - Winter 2006-07.
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