Waihopai Valley is an area near Blenheim in the Marlborough region of the South Island of New Zealand. The Waihopai River drains the area.
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Waihopai Valley
The Waihopai Valley branches off the Wairau Valley.
The Government Communications Security Bureau operates what it describes as a satellite communications monitoring facility in the Waihopai Valley, which it calls GCSB Waihopai. It has been identified as being a part of ECHELON, the worldwide network of signals interception facilities run by the UKUSA consortium of intelligence agencies.
The lower Waihopai, as it runs into the Wairau Valley, has a number of vineyards.[1] From 1925 to 1927 small hydroelectric power station was built in the valley.[2] It is now operated by TrustPower.
Climate
edit| Climate data for Waihopai Power Station (1971–2000 normals, extremes 1962–1987) | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Year |
| Record high °C (°F) | 35.0 (95.0) |
38.5 (101.3) |
31.7 (89.1) |
28.1 (82.6) |
22.4 (72.3) |
21.4 (70.5) |
19.1 (66.4) |
20.3 (68.5) |
26.5 (79.7) |
29.0 (84.2) |
29.5 (85.1) |
35.0 (95.0) |
38.5 (101.3) |
| Mean maximum °C (°F) | 31.5 (88.7) |
30.9 (87.6) |
27.6 (81.7) |
24.0 (75.2) |
19.3 (66.7) |
16.8 (62.2) |
15.4 (59.7) |
17.1 (62.8) |
20.5 (68.9) |
23.4 (74.1) |
26.1 (79.0) |
28.8 (83.8) |
32.6 (90.7) |
| Mean daily maximum °C (°F) | 23.7 (74.7) |
23.6 (74.5) |
21.1 (70.0) |
17.8 (64.0) |
14.4 (57.9) |
11.5 (52.7) |
11.0 (51.8) |
12.4 (54.3) |
14.7 (58.5) |
17.1 (62.8) |
19.0 (66.2) |
21.5 (70.7) |
17.3 (63.2) |
| Daily mean °C (°F) | 17.4 (63.3) |
17.3 (63.1) |
15.2 (59.4) |
12.2 (54.0) |
9.2 (48.6) |
6.6 (43.9) |
6.0 (42.8) |
7.1 (44.8) |
9.4 (48.9) |
11.6 (52.9) |
13.5 (56.3) |
15.6 (60.1) |
11.8 (53.2) |
| Mean daily minimum °C (°F) | 11.2 (52.2) |
11.0 (51.8) |
9.3 (48.7) |
6.7 (44.1) |
4.0 (39.2) |
1.7 (35.1) |
1.0 (33.8) |
1.8 (35.2) |
4.1 (39.4) |
6.2 (43.2) |
8.0 (46.4) |
9.7 (49.5) |
6.2 (43.2) |
| Mean minimum °C (°F) | 5.0 (41.0) |
5.3 (41.5) |
3.4 (38.1) |
1.3 (34.3) |
−1.2 (29.8) |
−2.7 (27.1) |
−4.0 (24.8) |
−2.9 (26.8) |
−1.2 (29.8) |
0.4 (32.7) |
2.4 (36.3) |
4.1 (39.4) |
−4.6 (23.7) |
| Record low °C (°F) | 2.5 (36.5) |
1.3 (34.3) |
0.3 (32.5) |
−2.2 (28.0) |
−4.2 (24.4) |
−6.0 (21.2) |
−8.2 (17.2) |
−5.5 (22.1) |
−6.7 (19.9) |
−2.3 (27.9) |
−1.0 (30.2) |
−0.2 (31.6) |
−8.2 (17.2) |
| Average rainfall mm (inches) | 74.7 (2.94) |
45.7 (1.80) |
61.7 (2.43) |
84.7 (3.33) |
65.5 (2.58) |
86.8 (3.42) |
74.6 (2.94) |
79.4 (3.13) |
71.6 (2.82) |
99.3 (3.91) |
57.5 (2.26) |
69.9 (2.75) |
871.4 (34.31) |
| Source: NIWA[3] | |||||||||||||
References
edit- ^ One example is Spy Valley.
- ^ "IPENZ Engineering Heritage - Waihopai Dam". IPENZ. Retrieved 17 January 2013.
- ^ "CliFlo – National Climate Database : Waihopai Power Stn". NIWA. Retrieved 15 Sep 2024.