| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.58 | 0.58 | 0.00 |
| Feb | 0.69 | 0.71 | -0.02 |
| Mar | 1.44 | 1.45 | -0.01 |
| Apr | 2.62 | 2.75 | -0.13 |
| May | 4.63 | 4.61 | 0.02 |
| Jun | 3.91 | 4.05 | -0.14 |
| Jul | 3.49 | 3.40 | 0.09 |
| Aug | 3.26 | 3.30 | -0.04 |
| Sep | 2.20 | 2.09 | 0.11 |
| Oct | 2.14 | 2.11 | 0.03 |
| Nov | 1.20 | 1.18 | 0.02 |
| Dec | 0.86 | 0.87 | -0.01 |
27.02 | 27.10 | -0.08 |