| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.55 | 2.76 | -0.21 |
| Feb | 2.21 | 2.37 | -0.16 |
| Mar | 3.45 | 3.50 | -0.05 |
| Apr | 4.81 | 4.87 | -0.06 |
| May | 4.99 | 5.05 | -0.06 |
| Jun | 4.36 | 4.63 | -0.27 |
| Jul | 3.82 | 4.24 | -0.42 |
| Aug | 3.30 | 3.62 | -0.32 |
| Sep | 3.32 | 3.37 | -0.05 |
| Oct | 3.13 | 3.13 | 0.00 |
| Nov | 3.41 | 3.65 | -0.24 |
| Dec | 2.68 | 2.72 | -0.04 |
42.03 | 43.91 | -1.88 |