NAVAJO MTN, UTAH

Period of Record General Climate Summary - Growing Degree Days

Station:(426076) NAVAJO MOUNTAIN
From Year=1956 To Year=1975
Growing Degree Days for Selected Base Temperature (F)
Base	Jan.	Feb.	Mar.	Apr.	May	Jun.	Jul.	Aug.	Sep.	Oct.	Nov.	Dec.	Annual
40 M	3	16	74	217	517	768	1046	989	667	358	88	7	4750
40 S	3	19	93	310	828	1596	2642	3631	4298	4656	4743	4750	4750
45 M	0	2	22	102	369	618	891	834	517	224	28	1	3608
45 S	0	2	24	126	495	1113	2005	2838	3356	3579	3607	3608	3608
50 M	0	0	3	30	238	469	736	679	369	117	5	0	2648
50 S	0	0	3	34	272	741	1477	2156	2525	2643	2648	2648	2648
55 M	0	0	0	5	128	321	581	524	232	49	0	0	1840
55 S	0	0	0	5	133	454	1036	1560	1791	1840	1840	1840	1840
60 M	0	0	0	0	48	188	427	369	120	15	0	0	1168
60 S	0	0	0	0	48	236	663	1032	1153	1168	1168	1168	1168

Corn Growing Degree Days
50 M	8	27	82	181	342	506	672	635	436	257	83	12	3241
50 S	8	35	117	298	640	1147	1818	2453	2889	3146	3229	3241	3241

M = Monthly Data
S - Running sum of monthly data.
Growing Degree Day units are computed as the difference between the daily average temperature and the base temperature. (Daily Ave. Temp. - Base Temp.) One unit is accumulated for each degree Fahrenheit the average temperature is above the base temperature. Negative numbers are discarded. Example: If the days high temperature was 95 and the low temperature was 51, the base 60 heating degree day units is ((95 + 51) / 2) - 60 = 13. This is done for each day of the month and summed.
Corn Growing Degree Day units have the limitations that the maximum daily temperatures greater than 86 F are set to 86 F and minimums less than 50 F are set to 50 F.
Table updated on Oct 31, 2012
Months with 5 or more missing days are not considered
Years with 1 or more missing months are not considered

Western Regional Climate Center, wrcc@dri.edu