Table 3 (Continued) Coilection period Sr®/sq mile, me Cumulative Sr/sq mile, mc Precipitation, in. Salisbury, South Rhodesiat Nov. 1956 Dec, 1956 Jan. 1957 0.18 +0.02 0.18 + 0.02 0.12 + 0.02 0.11 +0.02 Feb. 1957 Mar, 1957 Apr. 1957 May 1957 0.08 +0.,01 0.30 0.41 0.49 + 0.03 +0.04 40,04 0.05 +0.01 0.54 +0,04 0.04 + 0.04 0.58 +0.06 June 1957 Sample not collected Aug. 1957 Sept. 1957 9.85 8.97 5,46 1.17 0.78 0.02 Sample not collected July 1957 7.41 7.80 Sample not collected Sample not collected Sample not collected Oct. 1957 Sample not Nov. 1957 Dec. 1957 collected 0.109 + 0,014 0.099 + 0.021 0.39 0.39 0.78 Kikuyu, Kenya Jan. 1957 Feb. 1957 Mar. 1957 Apr. 1957 0.14 40.02 0.26 0.03 +0.01 +0.01 0.03 40.01 0.14 0.40 0.43 40,02 + 0.02 + 0,02 0.46 + 0.03 May 1957 June 1957 0.138 + 0.023 0.187 + 0.058 0.598 + 0.035 0.783 + 0.068 July 1957 Aug. 1957 0.148 0.020 0.038 0.087 0.055 0.162 0.933 + 0.068 0.953 + 0.068 0.991 + 0.069 Sept. 1957 Oct. 1957 Nov. 1957 Dec. 1957 + + + + + + 0.007 0.004 0.008 0.006 0.011 0.011 1.078 + 0.069 1.133 + 9.070 9.75 2.34 3.12 7.02 14.82 1.56 0.08 0.20 2.34 1.56 1.295 + 0.070 Dakar, French West Africa July 28—Aug. 28, 1957 0.532 + 0.013 0.532 + 0.013 5.20 Aug. 30-Sept. 30, 1957 0,244 + 0.014 0.776 + 0.019 Oct. 1957 0.046 + 0.015 0,822 + 0,024 10.44 Nov. 1957 Sample not Dec. 1957 received Sample not received Durban, Union of South Africa June 1957 July 1957 0.080 + 0.028 0.080 + 0.028 =0.012 0,092 + 0.030 Aug. 1957 0.096 + 0.026 0.184 + 0.040 Sept. 1957 Oct. 1957 Nov. 1957 0.230 + 0.018 0.239 +4 0.014 0.325 + 0.018 0.414 + 0.044 0.653 + 0.046 0.978 + 0,049 Dec. 1957 0.219 + 0.017 1.269 + 0.052 21 0.39 0,39 0.78 4.64 3.51