Normals - Butte, Missoula, Kalispell

NORMALS FOR BUTTE, KALISPELL, AND MISSOULA
BASED ON NCDC 30 YEAR NORMALS......1971-2000

BUTTE MOONEY AIPRORT

Monthly And Annual Normals
JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC ANNUAL

Temperature Avg Max 29.7 34.7 42.1 51.6 60.8 70.7 79.8 79.0 67.8 55.5 38.9 29.9 53.4

Avg Min 5.4 9.6 18.5 26.4 34.3 41.4 45.5 44.1 35.3 26.2 15.3 5.7 25.6

Mean 17.6 22.2 30.3 39.0 47.6 56.1 62.7 61.6 51.6 40.9 27.1 17.8 39.5

Degree Days HDD 1471 1199 1077 781 540 278 129 165 410 748 1137 1464 9399

CDD 0 0 0 0 0 9 55 57 6 0 0 0 127

Precipitation 0.53 0.47 0.83 1.02 2.02 2.07 1.47 1.36 1.09 0.79 0.60 0.53 12.78

Monthly And Annual Normals
	JAN	FEB	MAR	APR	MAY	JUN	JUL	AUG	SEP	OCT	NOV	DEC	ANNUAL
Temperature	Avg Max	29.7	34.7	42.1	51.6	60.8	70.7	79.8	79.0	67.8	55.5	38.9	29.9	53.4
Avg Min	5.4	9.6	18.5	26.4	34.3	41.4	45.5	44.1	35.3	26.2	15.3	5.7	25.6
Mean	17.6	22.2	30.3	39.0	47.6	56.1	62.7	61.6	51.6	40.9	27.1	17.8	39.5
Degree Days	HDD	1471	1199	1077	781	540	278	129	165	410	748	1137	1464	9399
CDD	0	0	0	0	0	9	55	57	6	0	0	0	127
Precipitation	0.53	0.47	0.83	1.02	2.02	2.07	1.47	1.36	1.09	0.79	0.60	0.53	12.78

Cumulative Average For The Year
PRECIPITATION CDD HDD

Jan     - 0.53
Jan-Feb - 1.00
Jan-Mar - 1.83
Jan-Apr - 2.85
Jan-May - 4.87
Jan-Jun - 6.94
Jan-Jul - 8.41
Jan-Aug - 9.77
Jan-Sep - 10.86
Jan-Oct - 11.65
Jan-Nov - 12.25
Jan-Dec - 12.78

Jan     -   0
Jan-Feb -   0
Jan-Mar -   0
Jan-Apr -   0
Jan-May -   0
Jan-Jun -   9
Jan-Jul - 64
Jan-Aug - 121
Jan-Sep - 127
Jan-Oct - 127
Jan-Nov - 127
Jan-Dec - 127

Jul     - 129
Jul-Aug - 294
Jul-Sep - 704
Jul-Oct - 1452
Jul-Nov - 2589
Jul-Dec - 4053
Jul-Jan - 5524
Jul-Feb - 6723
Jul-Mar - 7800
Jul-Apr - 8581
Jul-May - 9121
Jul-Jun - 9399

Cumulative Average For The Year
PRECIPITATION	CDD	HDD
Jan - 0.53 Jan-Feb - 1.00 Jan-Mar - 1.83 Jan-Apr - 2.85 Jan-May - 4.87 Jan-Jun - 6.94 Jan-Jul - 8.41 Jan-Aug - 9.77 Jan-Sep - 10.86 Jan-Oct - 11.65 Jan-Nov - 12.25 Jan-Dec - 12.78	Jan - 0 Jan-Feb - 0 Jan-Mar - 0 Jan-Apr - 0 Jan-May - 0 Jan-Jun - 9 Jan-Jul - 64 Jan-Aug - 121 Jan-Sep - 127 Jan-Oct - 127 Jan-Nov - 127 Jan-Dec - 127	Jul - 129 Jul-Aug - 294 Jul-Sep - 704 Jul-Oct - 1452 Jul-Nov - 2589 Jul-Dec - 4053 Jul-Jan - 5524 Jul-Feb - 6723 Jul-Mar - 7800 Jul-Apr - 8581 Jul-May - 9121 Jul-Jun - 9399

Averages By Season
SEASON AVG MAX TEMP AVG MIN TEMP MEAN TEMP PRECIPITATION

Winter (Dec-Feb) 31.4 6.9 19.2 1.53

Spring (Mar-May) 51.5 26.4 39.0 3.87

Summer (Jun-Aug) 76.5 43.6 60.1 4.90

Fall (Sep-Nov) 54.0 25.6 39.9 2.48

Averages By Season
SEASON	AVG MAX TEMP	AVG MIN TEMP	MEAN TEMP	PRECIPITATION
Winter (Dec-Feb)	31.4	6.9	19.2	1.53
Spring (Mar-May)	51.5	26.4	39.0	3.87
Summer (Jun-Aug)	76.5	43.6	60.1	4.90
Fall (Sep-Nov)	54.0	25.6	39.9	2.48

For daily normals go to Butte Mooney Airport Daily Normals

KALISPELL GLACIER PARK AIRPORT

Monthly And Annual Normals
JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC ANNUAL

Temperature Avg Max 28.9 35.2 44.9 56.0 64.7 71.9 80.2 80.5 69.0 55.3 38.6 30.1 54.6

Avg Min 13.8 18.4 24.8 30.8 37.9 43.5 46.7 45.8 37.1 28.4 23.2 16.1 30.5

Mean 21.4 26.8 34.9 43.4 51.3 57.7 63.5 63.2 53.1 41.9 30.9 23.1 42.6

Degree Days HDD 1359 1079 933 640 412 220 88 102 344 705 1014 1297 8193

CDD 0 0 0 0 3 17 57 62 3 0 0 0 142

Precipitation 1.47 1.15 1.11 1.22 2.04 2.30 1.41 1.25 1.20 0.96 1.45 1.65 17.21

Monthly And Annual Normals
	JAN	FEB	MAR	APR	MAY	JUN	JUL	AUG	SEP	OCT	NOV	DEC	ANNUAL
Temperature	Avg Max	28.9	35.2	44.9	56.0	64.7	71.9	80.2	80.5	69.0	55.3	38.6	30.1	54.6
Avg Min	13.8	18.4	24.8	30.8	37.9	43.5	46.7	45.8	37.1	28.4	23.2	16.1	30.5
Mean	21.4	26.8	34.9	43.4	51.3	57.7	63.5	63.2	53.1	41.9	30.9	23.1	42.6
Degree Days	HDD	1359	1079	933	640	412	220	88	102	344	705	1014	1297	8193
CDD	0	0	0	0	3	17	57	62	3	0	0	0	142
Precipitation	1.47	1.15	1.11	1.22	2.04	2.30	1.41	1.25	1.20	0.96	1.45	1.65	17.21

Cumulative Average For The Year
PRECIPITATION CDD HDD

Jan     - 1.47
Jan-Feb - 2.62
Jan-Mar - 3.73
Jan-Apr - 4.95
Jan-May - 6.99
Jan-Jun - 9.29
Jan-Jul - 10.70
Jan-Aug - 11.95
Jan-Sep - 13.15
Jan-Oct - 14.11
Jan-Nov - 15.56
Jan-Dec - 17.21

Jan     -   0
Jan-Feb -   0
Jan-Mar -   0
Jan-Apr -   0
Jan-May -   3
Jan-Jun - 20
Jan-Jul - 77
Jan-Aug - 139
Jan-Sep - 142
Jan-Oct - 142
Jan-Nov - 142
Jan-Dec - 142

Jul     -   88
Jul-Aug - 190
Jul-Sep - 534
Jul-Oct - 1239
Jul-Nov - 2253
Jul-Dec - 3550
Jul-Jan - 4909
Jul-Feb - 5988
Jul-Mar - 6921
Jul-Apr - 7561
Jul-May - 7973
Jul-Jun - 8193

Cumulative Average For The Year
PRECIPITATION	CDD	HDD
Jan - 1.47 Jan-Feb - 2.62 Jan-Mar - 3.73 Jan-Apr - 4.95 Jan-May - 6.99 Jan-Jun - 9.29 Jan-Jul - 10.70 Jan-Aug - 11.95 Jan-Sep - 13.15 Jan-Oct - 14.11 Jan-Nov - 15.56 Jan-Dec - 17.21	Jan - 0 Jan-Feb - 0 Jan-Mar - 0 Jan-Apr - 0 Jan-May - 3 Jan-Jun - 20 Jan-Jul - 77 Jan-Aug - 139 Jan-Sep - 142 Jan-Oct - 142 Jan-Nov - 142 Jan-Dec - 142	Jul - 88 Jul-Aug - 190 Jul-Sep - 534 Jul-Oct - 1239 Jul-Nov - 2253 Jul-Dec - 3550 Jul-Jan - 4909 Jul-Feb - 5988 Jul-Mar - 6921 Jul-Apr - 7561 Jul-May - 7973 Jul-Jun - 8193

Averages By Season
SEASON AVG MAX TEMP AVG MIN TEMP MEAN TEMP PRECIPITATION

Winter (Dec-Feb) 31.4 16.1 23.8 4.27

Spring (Mar-May) 55.2 31.1 43.2 4.37

Summer (Jun-Aug) 77.5 45.4 61.5 4.96

Fall (Sep-Nov) 54.3 29.5 42.0 3.61

Averages By Season
SEASON	AVG MAX TEMP	AVG MIN TEMP	MEAN TEMP	PRECIPITATION
Winter (Dec-Feb)	31.4	16.1	23.8	4.27
Spring (Mar-May)	55.2	31.1	43.2	4.37
Summer (Jun-Aug)	77.5	45.4	61.5	4.96
Fall (Sep-Nov)	54.3	29.5	42.0	3.61

For daily normals go to Kalispell Glacier Park Airport Daily Normals

MISSOULA INTERNATIONAL AIRPORT

Monthly And Annual Normals
JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC ANNUAL

Temperature Avg Max 30.8 37.4 48.1 58.0 66.1 74.5 83.6 83.2 71.5 57.4 40.0 30.3 56.7

Avg Min 16.2 20.5 27.1 32.4 39.3 45.9 50.2 49.3 40.6 31.4 24.0 16.5 32.8

Mean 23.5 29.0 37.6 45.2 52.7 60.2 66.9 66.3 56.1 44.4 32.0 23.4 44.8

Degree Days HDD 1291 1019 852 596 384 178 55 62 276 637 985 1287 7622

CDD 0 0 0 0 3 33 111 99 10 0 0 0 256

Precipitation 1.06 0.77 0.96 1.09 1.95 1.73 1.09 1.15 1.08 0.83 0.96 1.15 13.82

Monthly And Annual Normals
	JAN	FEB	MAR	APR	MAY	JUN	JUL	AUG	SEP	OCT	NOV	DEC	ANNUAL
Temperature	Avg Max	30.8	37.4	48.1	58.0	66.1	74.5	83.6	83.2	71.5	57.4	40.0	30.3	56.7
Avg Min	16.2	20.5	27.1	32.4	39.3	45.9	50.2	49.3	40.6	31.4	24.0	16.5	32.8
Mean	23.5	29.0	37.6	45.2	52.7	60.2	66.9	66.3	56.1	44.4	32.0	23.4	44.8
Degree Days	HDD	1291	1019	852	596	384	178	55	62	276	637	985	1287	7622
CDD	0	0	0	0	3	33	111	99	10	0	0	0	256
Precipitation	1.06	0.77	0.96	1.09	1.95	1.73	1.09	1.15	1.08	0.83	0.96	1.15	13.82

Cumulative Average For The Year
PRECIPITATION CDD HDD

Jan     - 1.06
Jan-Feb - 1.83
Jan-Mar - 2.79
Jan-Apr - 3.88
Jan-May - 5.83
Jan-Jun - 7.56
Jan-Jul - 8.65
Jan-Aug - 9.80
Jan-Sep - 10.88
Jan-Oct - 11.71
Jan-Nov - 12.67
Jan-Dec - 13.82

Jan     -   0
Jan-Feb -   0
Jan-Mar -   0
Jan-Apr -   0
Jan-May -   3
Jan-Jun - 36
Jan-Jul - 147
Jan-Aug - 246
Jan-Sep - 256
Jan-Oct - 256
Jan-Nov - 256
Jan-Dec - 256

Jul     -   55
Jul-Aug - 117
Jul-Sep - 393
Jul-Oct - 1030
Jul-Nov - 2015
Jul-Dec - 3302
Jul-Jan - 4593
Jul-Feb - 5612
Jul-Mar - 6464
Jul-Apr - 7060
Jul-May - 7444
Jul-Jun - 7622

Cumulative Average For The Year
PRECIPITATION	CDD	HDD
Jan - 1.06 Jan-Feb - 1.83 Jan-Mar - 2.79 Jan-Apr - 3.88 Jan-May - 5.83 Jan-Jun - 7.56 Jan-Jul - 8.65 Jan-Aug - 9.80 Jan-Sep - 10.88 Jan-Oct - 11.71 Jan-Nov - 12.67 Jan-Dec - 13.82	Jan - 0 Jan-Feb - 0 Jan-Mar - 0 Jan-Apr - 0 Jan-May - 3 Jan-Jun - 36 Jan-Jul - 147 Jan-Aug - 246 Jan-Sep - 256 Jan-Oct - 256 Jan-Nov - 256 Jan-Dec - 256	Jul - 55 Jul-Aug - 117 Jul-Sep - 393 Jul-Oct - 1030 Jul-Nov - 2015 Jul-Dec - 3302 Jul-Jan - 4593 Jul-Feb - 5612 Jul-Mar - 6464 Jul-Apr - 7060 Jul-May - 7444 Jul-Jun - 7622

Averages By Season
SEASON AVG MAX TEMP AVG MIN TEMP MEAN TEMP PRECIPITATION

Winter (Dec-Feb) 32.8 17.7 25.3 2.98

Spring (Mar-May) 57.4 32.9 45.2 4.00

Summer (Jun-Aug) 80.4 48.5 64.5 3.97

Fall (Sep-Nov) 56.3 32.0 44.2 2.87

Averages By Season
SEASON	AVG MAX TEMP	AVG MIN TEMP	MEAN TEMP	PRECIPITATION
Winter (Dec-Feb)	32.8	17.7	25.3	2.98
Spring (Mar-May)	57.4	32.9	45.2	4.00
Summer (Jun-Aug)	80.4	48.5	64.5	3.97
Fall (Sep-Nov)	56.3	32.0	44.2	2.87

For daily normals go to Missoula International Airport Daily Normals

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NORMALS FOR BUTTE, KALISPELL, AND MISSOULA BASED ON NCDC 30 YEAR NORMALS......1971-2000

BUTTE MOONEY AIPRORT

KALISPELL GLACIER PARK AIRPORT

MISSOULA INTERNATIONAL AIRPORT

NORMALS FOR BUTTE, KALISPELL, AND MISSOULA
BASED ON NCDC 30 YEAR NORMALS......1971-2000