PITSFORD HALL WEATHER STATION
CLIMATOLOGICAL OBSERVATIONS DECEMBER 2000

Observations	1st	2nd	3rd	4th	5th	6th	7th	8th	9th	10th	11th	12th	13th	14th	15th	16th	17th	18th	19th	20th	21st	22nd	23rd	24th	25th	26th	27th	28th	29th	30th	31st
Time		900	900	900	900	900	900	900	900	900	900	900	900	900	900	900	900	900	900	900	900	900	900	900	900	900	900	900	900	900	900	900
Total Cloud	8	1	2	8	8	6	8	8	7	7	7	6	3	2	0	5	9	9	9	9	9	9	9	8	4	5	7	7	3	6	8
Wind																															
Direction 	s	s	s	s	s	s	sse	ssw	s	ssw	ssw	ssw	ssw	ssw	nnw	nw	calm	ene	ese	sse	e	ese	ese	ene	ene	ene	n	w	nw	nw	s
Speed (knots)	17	14	9	23	27	16	1	23	17	14	13	15	12	10	9	7	0	2	2	6	2	7	9	14	16	12	10	7	2	8	9
Weather		50	2	2	50	2	2	2	50	2	2	2	2	2	2	0	3	49	45	43	43	45	45	45	63	1	1	2	22	2	2	2
Visibility	6	7	7	6	8	7	6	7	7	6	7	6	7	7	7	8	0	2	2	4	3	2	4	5	8	7	7	8	5	8	7
Screen (C)																															
Dry Bulb	10.9	9.1	5.1	10.5	13	9.9	8.7	9.3	8.1	8.5	11.8	12.2	7.3	3.1	0.1	-0.1	-0.6	1.1	6	8.3	5.3	4.4	4.2	4.1	2.4	0	-0.4	-0.5	-5.6	-3.4	-1.4
Wet Bulb	10.4	8.4	5	10.3	12.1	8.4	8.3	8.2	7.3	7.9	10.5	11.8	6.2	3	-0.1	-0.3	-0.6	1.1	6	8.1	5.3	4.4	4	3.8	1.8	-1	-0.8	-0.5	-5.7	-3.4	-1.7
Max		12.9	11.3	10.7	13.1	11.6	11.8	12.1	10.9	10.6	11.7	13.1	12.6	10.5	8.3	5.5	3.5	2.6	5.9	8.4	8.2	5.8	4.8	4.4	4	2.9	1.5	1.6	1	-0.4	0.9	8.2
Min		8.2	7.6	3.5	4.7	9	6.1	6.2	6.8	6.4	7.1	7.2	10.7	6.3	2.8	-0.6	-1.3	-1.2	-1.3	0.9	5.7	4.8	3.5	3.6	3.4	2.1	-1.3	-1.1	-4.1	-7.4	-5.8	-5.6
Ground Obs																															
Grass Min	4.2	4.3	-2.2	2.5	7	4.6	4.8	3.6	3.4	3.7	3.5	2.3	3.4	-0.2	-5.3	-5.4	-2.5	-3.1	1	5.9	4.7	3.5	3.3	3.4	-0.1	-5.1	-5.2	-9.6	-9.6	-13.6	-12.7
Conc. Min	4.5	5.2	1.8	3.9	4	5.9	5.3	6.9	4.6	4.7	5.2	2.4	5.2	2.1	-0.1	-1.3	-0.5	0	1.5	5.3	5.2	4.3	3.9	3.3	2.9	-0.9	-1.6	-3.9	-8.2	-6.9	-6.9
Bare Earth Min	2.5	5	0.6	3.1	3.2	3.2	4.6	4.7	4.4	4.4	4.6	3.1	5.6	0.8	-2.2	-2.7	-1.1	-1	1.1	5.4	5	3.7	3.6	3.6	1.7	-2.9	-3.1	-4.5	-9.6	-7.9	-8.4
Soil Temps																															
5cm		7.4	6.4	4.7	7.9	9.1	7.1	7.6	8.4	5.7	6.2	8.5	9.9	6.3	3.4	1.6	0.9	2.3	2.4	4.8	6.8	6	5.5	5	4.7	3.4	0.7	0.5	0.1	0.1	0	0
10cm		7.6	6.6	5	7.2	8.6	7.3	7.6	8.5	6	6.4	7.8	9.6	7.2	4.5	3.1	1.9	2.9	2.8	4.5	6.4	6	5.6	5.1	4.9	4	1.7	1.4	1	0.8	0.7	0.5
20cm		8.2	7.5	6.1	7	8.5	7.6	7.8	8.9	7	7	7.6	9.3	8.4	6.3	5	3.5	3.9	3.9	4.8	6.1	6.4	6.1	5.8	5.5	5	3.1	2.5	2	1.9	1.5	1.4
30cm		8.5	8.3	7.1	7.4	7.9	8.5	8.1	8.6	7.9	7.6	7.9	9.1	8.9	7.5	6.4	5	5	4.9	5.4	6.3	6.7	6.6	6.5	6.2	5.8	4.5	3.7	3	2.6	2.4	2.1
40cm		8.1	8.3	7.6	7.5	8.1	8.5	8.2	8.7	8.1	7.7	8	8.8	9	7.9	6.8	5.9	5.5	5.3	5.5	6.2	6.6	6.6	6.6	6.4	6.1	5.3	4.4	4	3.4	3.2	3
50cm		8.8	8.6	8.2	7.7	8.3	8.6	8.5	8.7	8.6	8.2	8.3	8.7	9.2	8.4	7.5	6.8	6.3	6.1	6.1	6.4	6.8	6.6	7	6.8	6.6	6.1	5.4	4.8	4.5	4.3	4
100cm		8.1	8.2	8.2	7.9	8.4	8.7	8.4	8.5	8.4	8.4	8.7	8.4	9.5	8.5	8.4	8.1	7.9	7.5	7.2	7.2	7.2	7.2	7.3	7.2	7.3	7.1	7	6.6	6.2	6.2	5.9
Ground																															
Without snow	2	2	2	2	2	2	2	2	2	2	2	2	2	2	2	4	1	1	1	1	1	1	1	2	2	5	4	_	_	_	_
With snow																												7	7	7	7
Snow depth																												8	6	5	5
Concrete	2	2	2	2	2	2	2	2	2	2	2	2	2	2	2	4	1	1	1	1	1	1	1	2	2	3	3	_	0	0	0
Rainfall																															
Total		0.9	0.3	4.7	0.8	4	0.4	16.4	0.1	3	1.1	3.1	5.1	3.3	1.3	0.1	0.6	0.1	0.9	2.7	tr(fe)	_	_	5.4	9.1	_	_	3.1	_	_	_	7.5
Duration	0.6	0.1	4.6	0.3	4.3	2.5	11.5	_	1.8	1.5	2.1	4.8	0.5	2.3	_	_	_	1.8	4.1	_	_	_	5.4	15.5	_	_	5	_	_	_	4.5
Acidity		_	6.67	6.84	6.66	6.68	_	6.59	_	6.61	6.71	6.54	6.53	6.64	6.59	_	_	_	6.37	6.51	_	_	_	6.44	6.55	_	_	_	_	_	_	6.44
Run of Wind																															
Miles		255.79	146.56	269.38	315.17	273.78	170.74	215.13	268.44	252.04	221.61	221.41	319.49	279.49	18.63	63.89	35.56	39.59	26.26	53.84	164.67	77.36	86.02	90.58	202.49	139.59	83.69	76.07	72.5	125.23	88.36	257.74
Mean		13.9	7.9	14.6	17.1	14.8	9.2	11.7	14.5	13.7	12	12	17.3	15.1	1	3.5	1.9	2.1	1.4	2.9	8.9	4.2	4.7	4.9	11	7.6	4.5	4.1	3.9	6.8	4.8	14
Gust		26	22	32	33	29	23	44	46	31	33	29	56	36	20	<15	<15	<15	18	16	<15	15	17	23	31	22	20	20	<15	18	15	38
Sunshine	0	3.6	5.8	1.5	0	1.1	0	1.6	4.4	0.8	0	0	2.4	4.5	6.3	0.2	0	1.2	0	0	0	0	0	0	0	4.1	1	4.6	4.9	4.9	0
Statistics																															
Saturated																															
VP(Twb)		1.262	1.103	0.873	1.253	1.413	1.103	1.095	1.088	1.023	1.066	1.27	1.385	0.949	0.758	0.607	0.598	0.585	0.662	0.936	1.081	0.891	0.837	0.814	0.802	0.696	0.568	0.576	0.589	0.399	0.475	0.539
VP		1.228	1.055	0.866	1.239	1.352	1.001	1.068	1.013	0.969	1.025	1.181	1.358	0.874	0.751	0.594	0.585	0.585	0.662	0.936	1.067	0.891	0.837	0.8	0.782	0.656	0.501	0.549	0.589	0.392	0.475	0.519
Saturated																															
VP		1.305	1.156	0.879	1.27	1.499	1.22	1.126	1.172	1.081	1.11	1.385	1.422	1.023	0.763	0.615	0.607	0.585	0.662	0.936	1.095	0.891	0.837	0.825	0.819	0.726	0.611	0.593	0.589	0.402	0.475	0.551
RH %		94.1	91.3	98.5	97.6	90.2	82	94.8	86.4	89.6	92.3	85.3	95.5	85.4	98.4	96.6	96.4	100	100	100	97.4	100	100	97	95.5	90.4	79.9	92.6	100	97.5	100	94.2
																															
Dew Point	10	7.7	4.9	10.1	11.4	7	7.9	7.2	6.5	7.3	9.4	11.5	5	2.9	-0.4	-0.6	-0.6	1.1	6	7.9	5.3	4.4	3.8	3.4	1	-2.7	-1.5	-0.5	-5.9	-3.4	-2.2
Pressure	998.7	1005.8	1012.3	1001.8	998.9	1000.7	1001.7	986.4	1000.3	997.9	1008.7	1006.8	1001.6	1002.7	1007.8	1012.4	1013.6	1013.7	1017.2	1013.5	1016.5	1015.8	1011.3	1003.1	1002.4	997.1	994.3	993.6	999.6	1007.3	1010.9
Days with																															
thunder		_	_	_	_	_	1	_	_	_	_	_	_	_	_	_	_	_	_	_	_	_	_	_	_	_	_	_	_	_	_	_
hail<0.5mm	_	_	_	_	_	_	_	_	_	_	_	1	_	_	_	_	_	_	_	_	_	_	_	_	_	_	_	_	_	_	_
hail>/=0.5mm	_	_	_	_	_	_	_	_	_	_	_	_	_	_	_	_	_	_	_	_	_	_	_	_	_	_	_	_	_	_	_
snow		_	_	_	_	_	_	_	_	_	_	_	_	_	_	_	_	_	_	_	_	_	_	_	_	_	_	_	1	_	_	1
fog		_	_	_	_	_	_	_	_	_	_	_	_	_	_	_	_	1	1	1	1	1	1	1	_	_	_	_	_	_	_	_