| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.11 | 2.26 | -0.15 |
| Feb | 1.84 | 1.94 | -0.10 |
| Mar | 2.57 | 2.63 | -0.06 |
| Apr | 3.74 | 3.71 | 0.03 |
| May | 4.52 | 4.49 | 0.03 |
| Jun | 4.05 | 4.02 | 0.03 |
| Jul | 4.06 | 3.92 | 0.14 |
| Aug | 3.62 | 3.58 | 0.04 |
| Sep | 3.07 | 3.25 | -0.18 |
| Oct | 3.26 | 3.27 | -0.01 |
| Nov | 2.81 | 2.73 | 0.08 |
| Dec | 2.21 | 2.28 | -0.07 |
37.86 | 38.08 | -0.22 |