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May averages 18 days of 80 and above, and 3 days of 90 and above. No 90 insight for the next 2 weeks it seems, though we will come close, 32 of the last 130 years saw a may with no 90 degree days. May 11 is the average first 90 degree day. Many locations near here have picked up multiple 90 degree days including places yesterday. I hope we pull it off this week on time, otherwise we might have to wait till the end of may.
But before the end of the month warm up, chilly in the 6-10 day period. Got a feeling this month will end up below average here. Probably more so than April was.
So I looked at years with dissipating El Ninos and transitioning to La Nina to see how the month of May was
Chi/MDW 1981-2010 normals: Precip: 4.13 Low 51.6 Mean 60.9 High 70.2
Precip(inches)Rain Days /High Temp/Low Temp/Mean Temp
1941 May 3.88 12 75.0 52.3 63.7 +PDO/no data for AMO
1954 May 1.75 7 67.5 46.6 57.1 neutral PDO/+AMO
1966 May 5.78 12 64.7 46.3 55.5 -PDO/ neutral AMO
1970 May 4.18 12 73.8 52.8 63.3 -PDO/ Slightly -AMO
1973 May 4.17 19 65.0 46.4 55.7 -PDO/-AMO
1977 May 1.39 8 81.2 57.3 69.3 +PDO/-AMO
1980 May 3.22 10 71.9 47.5 59.7 Strongly +PDO/+AMO
1983 May 6.14 16 65.5 45.1 55.3 Strongly +PDO/ Slightly -AMO
1988 May 1.92 6 75.6 52.6 64.1 +PDO/+AMO
1992 May 0.25 6 70.9 49.8 60.4 +PDO/-AMO
1995 May 4.17 13 68.2 50.5 59.4 +PDO/+AMO
1998 May 4.59 11 76.1 56.8 66.5 +PDO/+AMO
2007 May 2.00 8 75.7 54.3 65.0 -PDO/+AMO
2010 May 6.80 13 71.2 54.1 62.6 +PDO/+AMO
2013 May 6.47 13 72.5 52.0 62.2 mostly -PDO/+AMO
We had 8 above normal (1977 was record warmest), 5 below normal, the rest near normal. More months had above average precip than below. Some very wet, like 1983, 2013, and 1966
Last edited by chicagogeorge; 05-09-2016 at 10:48 AM..
So I looked at years with dissipating El Ninos and transitioning to La Nina to see how the month of May was
Chi/MDW 1981-2010 normals: Precip: 4.13 Low 51.6 Mean 60.9 High 70.2
Precip(inches)Rain Days /High Temp/Low Temp/Mean Temp
1941 May 3.88 12 75.0 52.3 63.7
1954 May 1.75 7 67.5 46.6 57.1
1966 May 5.78 12 64.7 46.3 55.5
1970 May 4.18 12 73.8 52.8 63.3
1973 May 4.17 19 65.0 46.4 55.7
1977 May 1.39 8 81.2 57.3 69.3
1980 May 3.22 10 71.9 47.5 59.7
1983 May 6.14 16 65.5 45.1 55.3
1988 May 1.92 6 75.6 52.6 64.1
1992 May 0.25 6 70.9 49.8 60.4
1995 May 4.17 13 68.2 50.5 59.4
1998 May 4.59 11 76.1 56.8 66.5
2007 May 2.00 8 75.7 54.3 65.0
2010 May 6.80 13 71.2 54.1 62.6
2013 May 6.47 13 72.5 52.0 62.2
We had 8 above normal (1977 was record warmest), 5 below normal, the rest near normal. More months had above average precip than below. Some very wet, like 1983, 2013, and 1966
Something tells me we will not have a hot or dry summer this year. I think I remember hearing Cambium say that patterns take months to change sometimes. This pattern right now with that trough in eastern NA seems set in concrete if you ask me.
Something tells me we will not have a hot or dry summer this year. I think I remember hearing Cambium say that patterns take months to change sometimes. This pattern right now with that trough in eastern NA seems set in concrete if you ask me.
I want to be just south of the jet stream. Heat + moisture.
Something tells me we will not have a hot or dry summer this year. I think I remember hearing Cambium say that patterns take months to change sometimes. This pattern right now with that trough in eastern NA seems set in concrete if you ask me.
I think it will be wet at least into the first half of summer. Whether it's wet and warm or wet and cool remains to be seen.
May right now seems a lock to be below average.... MJO has not been player for a while but has sprung back to life
So I looked at years with dissipating El Ninos and transitioning to La Nina to see how the month of May was
Chi/MDW 1981-2010 normals: Precip: 4.13 Low 51.6 Mean 60.9 High 70.2
Precip(inches)Rain Days /High Temp/Low Temp/Mean Temp
1941 May 3.88 12 75.0 52.3 63.7 +PDO/no data for AMO
1954 May 1.75 7 67.5 46.6 57.1 neutral PDO/+AMO
1966 May 5.78 12 64.7 46.3 55.5 -PDO/ neutral AMO
1970 May 4.18 12 73.8 52.8 63.3 -PDO/ Slightly -AMO
1973 May 4.17 19 65.0 46.4 55.7 -PDO/-AMO
1977 May 1.39 8 81.2 57.3 69.3 +PDO/-AMO
1980 May 3.22 10 71.9 47.5 59.7 Strongly +PDO/+AMO
1983 May 6.14 16 65.5 45.1 55.3 Strongly +PDO/ Slightly -AMO
1988 May 1.92 6 75.6 52.6 64.1 +PDO/+AMO
1992 May 0.25 6 70.9 49.8 60.4 +PDO/-AMO
1995 May 4.17 13 68.2 50.5 59.4 +PDO/+AMO
1998 May 4.59 11 76.1 56.8 66.5 +PDO/+AMO
2007 May 2.00 8 75.7 54.3 65.0 -PDO/+AMO
2010 May 6.80 13 71.2 54.1 62.6 +PDO/+AMO
2013 May 6.47 13 72.5 52.0 62.2 mostly -PDO/+AMO
We had 8 above normal (1977 was record warmest), 5 below normal, the rest near normal. More months had above average precip than below. Some very wet, like 1983, 2013, and 1966
Nice work! I need to get around to doing something similar. Love the formats you guys are doing. Wonder if the more above normal precip months is evidence that El Nino atmosphere continues even with La Nina status in Pacific.
This week we do. Sunny and 70s some days. It's an amazing feeling to actually have Spring today! Wind, Sunny, and upper 60s. Everything is drying out nicely
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Everything is drying out nicely
