Appendix C

Willing Workers in Alternative Technology

The purpose of WWAT is to link those who are interested in learning various skills in Appropriate Technology fields with those who are interested in taking on workers in an internship type of arrangement.

Design Information for Austin, Texas

Latitude: 30.30
Longitude: 97.70

(all temperatures in degrees Fahrenheit)

	J	F	M	A	M	J	J	A	S	O	N	D	YEAR
Avg. Temp. (Drybulb)	50.3	53.2	57.3	69.2	74.2	80.4	84.0	83.9	78.8	68.8	57.3	51.3	67.5
Avg. Daily Max.	60.7	64.3	68.6	79.3	84.6	90.1	93.4	93.9	88.8	80.1	69.0	62.5	78.0
Avg. Daily Min.	41.0	42.4	46.9	60.0	64.9	71.7	74.6	74.6	70.6	58.6	46.8	42.5	58.0
Deg. Days Heating (Base 65)	450.5	330.5	251.5	17.5	4.0	0.0	0.0	0.0	0.0	43.0	256.5	411.0	1764.5
Deg. Days Cooling (Base 75)	0.0	0.0	0.0	6.0	83.5	190.5	280.0	286.5	161.0	30.5	0.0	0.0	1038.0
Deg. Days Cooling (Base 80)	0.0	0.0	0.0	0.0	28.0	75.5	127.5	146.0	56.0	9.5	0.0	0.0	442.5
Max. Temp	83	84	81	89	99	95	99	104	96	93	87	81	104
Min. Temp	28	31	24	46	54	55	69	68	61	43	30	28	24
No. Days max. above 90	0	0	0	0	6	22	29	24	16	4	0	0	101
No. Days Min. below 32	4	1	2	0	0	0	0	0	0	0	3	3	13
Avg. Temp (Day)	55	57.8	61.1	72.6	77.5	84	87.6	87.7	82.8	73.4	62.0	55.2	72.7
Avg. Temp (Night)	47.6	50.2	54.4	65.9	70.7	76.4	80.1	80.2	75.2	65.1	54.0	48.9	63.0

Average Wind Speed (MPH)

J	F	M	A	M	J	J	A	S	O	N	D	YEAR
10.6	10.5	10.4	12.1	9.9	10.0	8.0	7.4	6.6	8.3	9.0	9.2	9.3

Average Relative Humidity

	J	F	M	A	M	J	J	A	S	O	N	D	YEAR
(4AM)	70.2	76.8	70.0	81.6	81.3	86.5	83.7	80.7	86.0	85.2	77.4	78.6	79.8
(10AM)	60.4	65.0	58.1	65.1	64.4	62.9	61.5	63.9	68.5	67.3	61.9	67.6	63.9
(4PM)	49.4	50.1	36.8	48.0	47.9	46.6	44.2	46.4	48.2	53.1	46.5	47.1	47.0
(10PM)	63.1	72.3	55.3	71.7	67.5	69.5	65.7	65.4	76.9	76.6	69.2	65.8	68.2

Average Daily Total Vertical Solar Insolation (listed in BTU's per square foot per day)

Azimuth
N	233.6	302.2	419.2	520.9	615.9	704.5	659.1	523.4	433.8	322.8	248.3	217.7	434.1
E	566.6	680.8	888.1	911.7	1008.2	1140.9	1187.4	1081.2	914.5	778.0	614.4	507.1	857.6
S	1226.8	1206.8	1183.9	936.4	796.1	736.2	763.0	884.2	1115.3	1294.6	1281.6	1259.2	1056.2
W	561.5	680.1	936.3	1023.6	1136.2	1202.4	1184.3	1076.2	940.2	807.1	644.9	586.9	899.5

Maximum Daily Total Vertical Solar Insolation (listed in BTU's per square foot per day)

Azimuth
N	355.2	400.7	516.7	635.7	727.2	798.2	735.6	590.4	510.0	411.1	354.3	281.0	798.2
E	798.1	1063.5	1269.0	1368.9	1383.6	1382.4	1339.6	1294.9	1142.5	1013.7	880.3	745.5	1383.6
S	1835.2	1811.8	1681.6	1363.2	982.9	815.6	832.9	1105.0	1478.0	1728.0	1798.2	1815.2	1835.2
W	766.8	1010.1	1281.5	1348.9	1340.9	1356.2	1307.1	1244.1	1121.8	1009.1	888.9	741.5	1356.2

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This file last updated on Sunday, May 11, 2003

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