July 1999 LaVale MD Weather Summary
Observer Nate Mullins

Special Observations:
F=fog
T=thunder
H=hail
DW=damaging wind
S=sleet
G=glaze

	Temperature, F	Precip
Date	Max	Min	Liquid	Solid	Special Obs

1	89	60	 .63		F,T
2	84	67	 .01		F
3	94	66
4	96	70
5	97	74
6	95	70
7	92	71
8	88	57
9	93	59
10	81	62	 .06
11	82	51
12	73	53
13	82	55
14	81	59
15	92	56
16	96	58
17	97	65	   T
18	91	66	 .02		T
19	92	68
20	90	71
21	91	69	   T
22	95	72	   T
23	98	67
24	94	66	 .08		T
25	92	68
26	88	69
27	90	65
28	87	63	 .23		T
29	91	60	 .23		T
30	95	62
31	100	64	 .05		T

Tot	90.5	64.0	1.31	 0.0
Ext	100	51	0.63	  -
Date	31	11	1	  -

Mean Monthly Temp:  77.2
Thunder days 6
Fog days 2

Significant Events

1: Warm and humid.  Surprise thunderstorm developed overhead around 4pm dropping a quick .63" of rain
   in only 15 minutes.
3-7: A very hot stretch with highs well into the 90s, lows in the upper 60s to mid 70s and oppressive
     humidity and heat indeces nearing 110 F.
9: Hot high 93 F.
16-17: Very hot and humid highs 96 and 97 F.
22: Very hot high 95 F low 72 F.
23: Very hot and humid high 98 F.
24: Hot and humid high 94 F.  Two strong lines of thunderstorms split as they approached from the WNW
    and only .08" rain fell.
28-29: Evening thunderstorm on the 28th and overnight thunderstorm on the 29th, .46" total rainfall.
30: Hot high 95 F.
31: Record heat high 100 F with a very brief afternoon thunderstorm.  104 F was recorded in Cumberland.

Summary:

July 1999 was incredibly hot and dry.  This was probably the hottest month ever on record with a mean
maximum temperature of 90.5 F and 21 days reaching 90 or higher.  Thunderstorms dodged the area on
multiple occasions.  Only 1.31" rain fell, making it the driest July on record so far.

Additional notes/records

4: Record high min temperature 70 F this morning
5: Record high 97 F.  Low was 74 F also setting a record high.
7: Another record high min temperature 71 F.
12: Record low max with a high of 73.
17: Record high 97 F.
23: Very hot high 98 F but missing the record 101 F set in 1991.
31: RECORD HIGH 100 F.  Hottest reading of 1999 and highest temperature since July 15, 1995.

July 1999 was the HOTTEST JULY AND MONTH EVER ON RECORD with a mean temperature of 77.2 F, just beating
the old record of 77.1 F in 1988.  21 days were in the 90s, setting a new record.  Here's a quick glance
at several recent hot July's and the number of days in the 90s (or 100s) in those months.

July 1983 - 20 days (max 97, mean 75.1 F)
July 1987 - 18 days (max 98, mean 76.9 F)
July 1988 - 19 days (max 105 - all time record high.  3 days 100+, mean 77.1 F)
July 1991 - 17 days (max 101, mean 76.7 F)
July 1993 - 15 days (max 97, mean 76.6 F)
July 1995 - 14 days (max 100, mean 76.0 F)
July 1999 - 21 days (max 100, mean 77.2 F - hottest July and month on record).

In addition, only 1.31" of rain fell, tying 1991 for 5th driest July on record.