# gray scale for precip

# Mike Dixon, April 1991
	
0	1	#111
1 	2 	#222
2	4 	#333
4 	6	#444
6 	8 	#555
8 	10 	#666
10	13	#777
13	16	#888
16	20	#999
20	25 	#aaa
25	30	#bbb
30	40	#ccc
40	50	#ddd
50	75	#eee
75	100	#fff