Table 2
Duration and intensity of cold stress as measured by the number of days (hours in parentheses) on which the temperature was below or humidity above a chosen value during November-March of 1989-90 and 1990-91 growing seasons at Hisar
|
Season |
Month |
Temperature |
Relative humidity |
||||||
|
|
|
< 5oC |
< 4oC |
< 2oC |
< 0oC |
< -2oC |
> 50% |
> 70% |
> 90% |
|
1989-90 |
November |
4 (33) |
4 (25) |
2 (10) |
1 (1) |
0 |
30 (468) |
30 (392) |
16 (194) |
|
December |
26 (272) |
23 (220) |
18 (140) |
15 (66) |
4 (13) |
31 (652) |
31 (591) |
31 (493) |
|
|
January |
29 (300) |
27 (239) |
23 (143) |
11 (40) |
2 (6) |
31 (718) |
31 (584) |
31 (505) |
|
|
February |
15 (132) |
14 (102) |
8 (55) |
5 (31) |
3 (17) |
28 (672) |
28 (629) |
28 (550) |
|
|
March |
13 (112) |
11 (82) |
9 (41) |
5 (13) |
0 |
31 (712) |
31 (635) |
31 (533) |
|
|
Total |
87 (849) |
79 (668) |
60 (389) |
37 (151) |
9 (36) |
151 (3222) |
151 (2831) |
137 (2275) |
|
|
|
|
|
|
|
|
|
|
|
|
|
1990-91 |
November |
15 (81) |
13 (55) |
5 (19) |
2 (4) |
0 |
30 (479) |
30 (407) |
14 (171) |
|
December |
25 (225) |
22 (187) |
19 (124) |
15 (63) |
6 (25) |
31 (548) |
31 (447) |
23 (245) |
|
|
January |
28 (261) |
24 (203) |
19 (139) |
11 (72) |
7 (15) |
31 (660) |
31 (521) |
31 (414) |
|
|
February |
15 (100) |
13 (69) |
9 (30) |
4 (9) |
1 (1) |
28 (552) |
28 (431) |
20 (198) |
|
|
March |
1 (5) |
1 (3) |
0 |
0 |
0 |
31 (497) |
31 (276) |
1 (2) |
|
|
Total |
84 (672) |
73 (517) |
52 (312) |
32 (148) |
14 (41) |
151 (3222) |
151 (2082) |
89 (1030) |
|
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