| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.32 | 2.14 | 0.18 |
| Feb | 1.52 | 1.42 | 0.10 |
| Mar | 1.84 | 1.67 | 0.17 |
| Apr | 2.92 | 2.71 | 0.21 |
| May | 3.10 | 2.96 | 0.14 |
| Jun | 3.16 | 3.03 | 0.13 |
| Jul | 2.89 | 2.81 | 0.08 |
| Aug | 3.14 | 3.20 | -0.06 |
| Sep | 3.80 | 3.61 | 0.19 |
| Oct | 4.31 | 4.15 | 0.16 |
| Nov | 2.96 | 2.83 | 0.13 |
| Dec | 2.52 | 2.34 | 0.18 |
34.48 | 32.87 | 1.61 |