Average Temperatures for April 
                                  at Boise, Idaho (airport)
                         for the 73-year period 1940 through 2012
                              normal (1981-10) = 50.8 F degrees

                                                 RANK      RANK
                                                 AMONG     AMONG
                          DATA        YEAR       COLDEST   WARMEST

                          43.8	      1970          1        73
			  43.9	      1967  	    2	     72	
			  44.0	      1955 c-	    3	     71
			  44.5	      1975 c+	    4	     70
			  45.2	      1982 w-	    5	     69	
			  45.3	      1964 c	    6	     68
                          45.9	      1984 	    7	     67
			  46.0	      1945 c-	    8	     66 
                          46.1	      1953 w+	    9	     65
                          46.2        2011 c-      10        64
			  46.3	      1968 c-	   11	     63
                          46.6        2008 c+      12        62
			  46.7	      1972 w+	   13	     61	
			  47.1	      1983 w+	   14	     60
			  47.3	      1976 c	   15	     59
			  47.5	      1999 c+      16	     58
			  47.6	      1950 c+	   17	     57
			  47.8	      1958 w-	   18	     56
			  48.0	      1948	   19	     55
			  48.1	      1961 	   20	    tie
			  48.1	      1993 w+	  tie	    tie
			  48.1        2001	  tie        52
			  48.2	      1995 w+	   23	     51
			  48.3	      1963 c	   24	    tie	
                          48.3        1986        tie       tie
			  48.3	      1991 w+	  tie	     48
			  48.5	      1978 w-	   27	     47
			  48.7	      1957 w	   28	    tie
			  48.7	      1979 	  tie	     45
                          48.8        2010 w       30        44
			  48.9	      1944	   31	    tie
                          48.9        1997 w      tie        42
                          49.0        1960 c       33        41
			  49.1	      1973 	   34	     40
			  49.2	      1966 w+	   35	    tie
			  49.2	      1971 c+	  tie	     38	
			  49.4	      1947 w-	   37	    tie	
                          49.4        2003 w-     tie        36
			  49.7	      1974 c+	   39	     35
			  49.9	      1954 c-	   40       tie
                          49.9        1998 w      tie        33
			  50.0	      1940 w+	   42	    tie
                          50.0        1996        tie        31
	                  50.1	      1941 w+	   44	     30 		  
			  50.2	      1965 w	   45	     29
			  50.3	      1981 w-	   46        28
			  50.4        2002         47        27 
			  50.5	      1969 w	   48	    tie
                          50.5        2005        tie        25
			  50.6	      1956 c+	   50	    tie	
                          50.6        2009 C-     tie        23
			  50.7	      1951 w	   52	    tie
			  50.7	      1959 c	  tie	     21
			  51.6	      1985 c       54	     20	
                          51.7        2006 c-      55	    tie
                          51.7        2007 w-     tie        18
			  51.8	      1942 w-	   57	    tie
			  51.8	      1946 w	  tie	     16	
			  52.4	      1962 c-	   59	     15
			  52.5	      1952 	   60	     14
			  52.6	      1980 w+	   61	    tie
			  52.6	      1994 w+	  tie	     12
			  52.7	      1988 	   63	     11
			  53.1	      1989 c+	   64	     10
			  53.4	      1949 	   65	      9 
			  53.8        2004         66         8
			  54.0	      1943 c+	   67	      7 
			  54.1	      1977 w+	   68	      6
			  54.3        2000 c+      69         5 
			  54.6	      1990 	   70	      4 
                          54.7        2012         71         3
 			  54.9	      1992 w+	   72         2
			  56.0	      1987 w+	   73	      1

                          5/4/2012  		c = la nina  w = el nino
				 	             weak     c- or w-						        			    				   moderate   c  or w
						    strong    c+ or w+
							


                          average april temperatures at boise, airport.txt