| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.86 | 2.99 | -0.13 |
| Feb | 2.53 | 2.74 | -0.21 |
| Mar | 3.49 | 3.79 | -0.30 |
| Apr | 3.17 | 3.40 | -0.23 |
| May | 4.00 | 4.12 | -0.12 |
| Jun | 3.84 | 4.10 | -0.26 |
| Jul | 4.08 | 4.22 | -0.14 |
| Aug | 3.86 | 3.79 | 0.07 |
| Sep | 4.41 | 4.20 | 0.21 |
| Oct | 3.46 | 3.61 | -0.15 |
| Nov | 3.08 | 3.19 | -0.11 |
| Dec | 3.35 | 3.52 | -0.17 |
42.13 | 43.67 | -1.54 |