Temporal and Spatial Distribution of Lightning Strikes in California in Relation to Large-Scale Weather Patterns

Fire Ecology

Table 2 Number of lightning strikes by month and bioregion in California, 1985 through 2000.

Month	North Coast	Klamath Mountains	Cascade Range	Northeast Plateaus	Sierra Nevada	Central Valley	Central Coast	South Coast	Southeast Deserts	Total
January	436	184	213	18	729	469	169	496	218	2 932
February	446	296	203	47	836	880	432	1 650	3 220	8 010
March	424	788	697	382	2 778	2 708	946	1 682	7 317	17 722
April	389	2 460	2 114	1 812	4 034	1 333	292	1 376	5 152	18 962
May	691	3 896	6 034	6 535	18 683	3 126	964	4 649	29 074	73 652
June	3 121	10 178	13 451	17 119	33 275	7 059	4 166	1 685	33 069	123 123
July	2 633	15 676	15 591	22 618	58 132	3 409	1 099	15 303	109 430	243 891
August	2 774	6 941	11 715	18 284	56 124	4 495	1 055	21 188	186 021	308 597
September	3 554	4 942	7 173	5 785	25 564	7 589	8 356	15 960	80 725	159 648
October	412	595	1 150	548	7 902	2 879	437	3 319	21 257	38 499
November	297	138	190	24	2 005	1 016	202	745	4 774	9 391
December	353	93	29	15	215	225	146	312	416	1 804
Total	15 530	46 187	58 560	73 187	210 277	35 188	18 264	68 365	480 673	1 006 231