Weather History for Forest Lakes, Arizona

Transcription

1 Weather History for Forest Lakes, Arizona Recorded at Chevelon Ranger Station from 1959 until it s closing in December 2001 The Chevelon Ranger Station site is located approximately 15 miles NNW of Forest Lakes at an elevation of 7050 (Roughly 500 lower then Forest Lakes) Ref.

2 Climate Summary

3 (Recorded at Chevelon Ranger Station) Monthly Climate Summary Period of Record 5/1/1959 to 3/31/2004 Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual Average Max. Temperature (F) Average Min. Temperature (F) Average Total Precipitation (in.) Average Total Snow Fall (in.) Average Snow Depth (in.)

4 Monthly Climate Summary (Recorded at Chevelon Ranger Station) Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual Average Max. Temperature (F) Average Min. Temperature (F) Average Total Precipitation (in.) Unofficial values based on averages/sums of smoothed daily data. Information is computed from available daily data during the period. Smoothing, missing data and observation-time changes may cause these values to differ from official NCDC values. This table is presented for use at locations that don't have official NCDC data. No adjustments are made for missing data or time of observation. Check NCDC normals table for official data.

5 Annual Averages for Flagstaff and Show Low Month Avg. High Avg. Low Mean Avg. Precip. Record High Record Low Jan 42 F 15 F 29 F 2.00 in. 66 F (1971) -22 F (1971) Month Avg. High Avg. Low Mean Avg. Precip. Record High Record Low Jan 46 F 15 F 31 F 1.30 in. 72 F (1969) -25 F (1963) Feb 45 F 17 F 32 F 2.10 in. 71 F (1986) -23 F (1985) Feb 50 F 19 F 35 F 1.30 in. 78 F (1954) -18 F (1962) Mar 49 F 21 F 35 F 2.60 in. 73 F (1988) -16 F (1966) Mar 55 F 23 F 39 F 1.50 in. 78 F (1954) -12 F (1966) Apr 57 F 26 F 42 F 1.50 in. 80 F (1992) -2 F (1975) Apr 63 F 27 F 46 F 0.70 in. 84 F (1962) 2 F (1972) May 67 F 33 F 50 F 0.70 in. 87 F (1974) 14 F (1975) May 72 F 34 F 54 F 0.60 in. 91 F (1984) 13 F (1967) Jun 78 F 41 F 60 F 0.40 in. 96 F (1970) 22 F (1951) Jun 82 F 42 F 63 F 0.40 in. 100 F (1970) 21 F (1955) Jul 81 F 50 F 66 F 2.80 in. 97 F (1973) 32 F (1955) Jul 85 F 52 F 69 F 3.10 in. 100 F (1989) 30 F (1968) Aug 79 F 48 F 64 F 2.80 in. 92 F (1978) 24 F (1968) Aug 82 F 50 F 66 F 3.00 in. 98 F (1969) 30 F (1968) Sep 73 F 41 F 57 F 2.00 in. 90 F (1950) 23 F (1971) Sep 76 F 44 F 61 F 2.10 in. 94 F (1996) 21 F (1965) Oct 63 F 31 F 47 F 1.60 in. 85 F (1980) -2 F (1971) Oct 67 F 32 F 50 F 1.50 in. 87 F (1996) 6 F (1965) Nov 51 F 22 F 37 F 2.00 in. 74 F (1977) -13 F (1958) Nov 55 F 23 F 40 F 1.50 in. 78 F (1980) -11 F (1976) Dec 43 F 15 F 30 F 2.40 in. 68 F (1950) -23 F (1990) Dec 47 F 17 F 32 F 1.90 in. 70 F (1958) -22 F (1968) Flagstaff 24.9 in. of Rain Show Low 18.9 in. of Rain

6 Temperature

7 F Max. Forest Lakes, Arizona (As recorded at Chevelon Ranger Station) Period of Record - Temperature From Year 1959 To 2004 Station:(021574) CHEVELON R S Monthly Averages Daily Extremes Monthly Extremes Max. Temp. Min. Temp. F Min. F Mean F High dd/yyyy Date F Low dd/yyyy Date Highest Lowest >= <= <= <= Mean Year Mean Year 90 F 32 F 32 F 0 F January / / *** February / / *** March / / *** April / / *** May / / June / / July / / August / / September / / October / / November / / December / / F F F F yyyymmdd F yyyymmdd Highest Lowest >= <= <= <= Max. Min. Mean High Date Low Date Mean Year Mean Year 90 F 32 F 32 F 0 F Annual Winter Spring Summer Fall Table updated on Jun 24, 2004 For monthly and annual means, thresholds, and sums: Months with 5 or more missing days are not considered Years with 1 or more missing months are not considered Seasons are climatological not calendar seasons Winter = Dec.- Feb. Spring = Mar. - May Summer = Jun. - Aug. Fall = Sep. - Nov.

8 Daily Temperature Averages and Extremes - Extreme Max. is the maximum of all daily maximum temperatures recorded for the day of the year. - Ave. Max. is the average of all daily maximum temperatures recorded for the day of the year. - Ave. Min. is the average of all daily minimum temperatures recorded for the day of the year. - Extreme Min. is the minimum of all daily minimum temperatures recorded for the day of the year.

9 Precipitation

10 (As recorded at Chevelon Ranger Station) Monthly Average Total Precipitation

11 Period of Record General Climate Summary - Precipitation Station:(021574) Chevelon Ranger Station (Forest Lakes in ITALICS) Mean High Year Low Year From Year=1959 To Year=2004 Precipitation 1 Day Max. in. in. - in. - in. dd/yyyy >= 0.01 in. # Days >= 0.10 in. # Days >= 0.50 in. # Days >= 1.00 in. # Days Total Snowfall Mean High Year in. in. - January / February / March / April / May / June / July / August / September / October / November / December / yyyy/mm/dd Annual Winter Spring Summer Fall Table updated on Jun 24, 2004 For monthly and annual means, thresholds, and sums: Months with 5 or more missing days are not considered Years with 1 or more missing months are not considered Seasons are climatological not calendar seasons Winter = Dec., Jan., and Feb. Spring = Mar., Apr., and May Summer = Jun., Jul., and Aug. Fall = Sep., Oct., and Nov.

12 Monthly Total Precipitation (inches) Chevelon Ranger Station (021574) (Forest Lakes in ITALICS) File last updated on Aug 19, 2004 *** Note *** Provisional Data *** After Year/Month a = 1 day missing, b = 2 days missing, c = 3 days,..etc.., z = 26 or more days missing, A = Accumulations present Long-term means based on columns; thus, the monthly row may not sum (or average) to the long-term annual value. MAXIMUM ALLOWABLE NUMBER OF MISSING DAYS : 5 Individual Months not used for annual or monthly statistics if more than 5 days are missing. Individual Years not used for annual statistics if any month in that year has more than 5 days missing. YEAR JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC ANNUAL z 0.00 z 0.00 z 0.00 z a c z r z 0.00 z z z 0.00 z 0.60 l g z 0.00 z 0.00 z z 0.00 z 0.00 z z b c d c 20.25

13 YEAR JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC ANNUAL b 5.62 c b 0.00 z 3.49 m a a l 1.54 j 1.96 b a 0.34 p a c 0.51 c a c 1.12 b b b a ** b 2.58 b 2.53 a % e % c 0.55 a % b b % % b % d a d 2.22 d z 1.46 i % g 1.64 g 1.53 g 1.58 i c 2.03 b 1.62 b 2.10 c 1.13 d 0.60 a % d 0.17 c 2.16 c a 3.95 d 3.86 f % a j % c 0.67 b 1.35 a a 3.78 f 1.70 b 0.25 e 0.82 g % z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z **** % % Period of Record Statistics MEAN S.D SKEW MAX MIN NO YRS ** % of Average Annual Rainfall (2004 is 96% of first nine month average rainfall) **** Data started, Aug. 2002, on Davis Automated Weather Site Forest Lakes, Lot 151 (Chevelon Ranger Station was shut down December 2001)

14 Snow

15 Daily Snowfall Average

16 Daily Snowfall Average and Extreme - Extreme is the greatest daily snowfall recorded for the day of the year. - Average is the average of all daily snowfall recorded for the day of the year.

17 Monthly Total Snowfall (Inches) Chevelon Ranger Station (021574) File last updated on Aug 19, 2004 *** Note *** Provisional Data *** After Year/Month a = 1 day missing, b = 2 days missing, c = 3 days,..etc.., z = 26 or more days missing, A = Accumulations present Long-term means based on columns; thus, the monthly row may not sum (or average) to the long-term annual value. MAXIMUM ALLOWABLE NUMBER OF MISSING DAYS : 5 Individual Months not used for annual or monthly statistics if more than 5 days are missing. Individual Years not used for annual statistics if any month in that year has more than 5 days missing. YEAR(S) JUL AUG SEP OCT NOV DEC JAN FEB MAR APR MAY JUN ANN z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z c g b b f 0.00 a 0.00 b 0.00 l b 0.00 z 0.00 h 0.00 i 0.00 i 0.00 j d 0.00 z b z b b z z z 0.00 z z z 0.00 z z r 0.00 z 0.00 z z 0.00 z l b z z 0.00 z 6.00 l a 0.00 z z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z

18 z a d z b 0.00 z a a b b b a 0.00 b 0.00 z a 2.50 c 0.00 c c d 2.50 b z c 3.00 b b b b b z a b b b a b d z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z z 0.00 YEAR(S) JUL AUG SEP OCT NOV DEC JAN FEB MAR APR MAY JUN ANN Period of Record Statistics MEAN S.D SKEW MAX MIN NO YRS

19 Climate Normals

20 Monthly Normals Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual Mean Max. Temperature (F) Highest Mean Max. Temperature (F) Year Highest Occurred Lowest Mean Max. Temperature (F) Year Lowest Occurred Mean Temperature (F) Highest Mean Temperature (F) Year Highest Occurred Lowest Mean Temperature (F) Year Lowest Occurred Mean Min. Temperature (F) Highest Mean Min. Temperature (F) Year Highest Occurred Lowest Mean Min. Temperature (F) Year Lowest Occurred Mean Precipitation (in.) Highest Precipitation (in.) Year Highest Occurred Lowest Precipitation (in.) Year Lowest Occurred Heating Degree Days (F) Cooling Degree Days (F) NCDC Monthly Normals Recorded at Chevelon Ranger Station

21 Monthly Normals Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual Mean Max. Temperature (F) Highest Mean Max. Temperature (F) Year Highest Occurred Lowest Mean Max. Temperature (F) Year Lowest Occurred Mean Temperature (F) Highest Mean Temperature (F) Year Highest Occurred Lowest Mean Temperature (F) Year Lowest Occurred Mean Min. Temperature (F) Highest Mean Min. Temperature (F) Year Highest Occurred Lowest Mean Min. Temperature (F) Year Lowest Occurred Mean Precipitation (in.) Highest Precipitation (in.) Year Highest Occurred Lowest Precipitation (in.) Year Lowest Occurred Heating Degree Days (F) Cooling Degree Days (F) NCDC Monthly Normals Recorded at Chevlon Ranger Station