4qemetal fe cues Part C. Observational Data, Second Intensive Phase (January 25 -- February 8, 1958) NOTES: TABLE 19. FRED: TABLES 19-32 HOURLY OBSERVATIONS AND DAILY SUMMARY. See Notes for Table 4, ppe 39fTABLE 20. FRED: RAWINSONDE OBSERVATIONS. See Notes for Table 5, pe Ale TABLE 21. BRUCE: THREE-HOURLY OBSERVATIONS. See Notes for Table 6, ppe 41-43, as well as the note below. Experienced observers made the observations at BRUCE during the following interval are inclusive): TABLE 22. 1200 Jan 25 -- 0900 Jan 27. BRUCE: HOURLY RELATIVE HUMIDITIES. See Notes for Table 9, pe dhe TABLE 23. BRUCE AND KEITH: TT, BRUCE. SPECIAL OBSERVATIONS. These measurements were made with an unshielded mercury-in-glass thermo graduated to half-degrees C. Readings were taken with the thermometer bulb at a depth o: 6 inches beneath the surface of the water, with the reading being made to the nearest te: a degree C. at that time when the mercury column had become steady at a minimum value. } values of the several observations were converted to °F. in each instance and are estima be correct within 0.2°F. in 9 out of 10 instances and within 0.5°F. in all instances (se for Table 7, ppe 43-44, and note that the mean based on several observations will be som more accurate than any single observation). TTs KEITH values were read with the same type of thermometer described immediately ah gn with the bulb at depths of 3-6 inches. degreee Values were, however, read only to the nearest hi Values given represent a mean of several readings as shown and are accurate witl. 023° C. aT and TT, —w were measured with an Asmann psychrometer (graduated in whole degrees F.. read to the nearest 0.5°F., and are correct within 0.4°F. Heights are correct within 6 3