| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.77 | 0.87 | -0.10 |
| Feb | 0.81 | 0.86 | -0.05 |
| Mar | 1.61 | 1.59 | 0.02 |
| Apr | 2.87 | 2.99 | -0.12 |
| May | 4.14 | 4.16 | -0.02 |
| Jun | 4.60 | 4.68 | -0.08 |
| Jul | 4.19 | 4.29 | -0.10 |
| Aug | 4.38 | 4.16 | 0.22 |
| Sep | 3.28 | 3.25 | 0.03 |
| Oct | 2.81 | 2.84 | -0.03 |
| Nov | 1.66 | 1.63 | 0.03 |
| Dec | 1.12 | 1.22 | -0.10 |
32.24 | 32.54 | -0.30 |