| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.63 | 2.51 | 0.12 |
| Feb | 2.19 | 2.06 | 0.13 |
| Mar | 2.81 | 2.97 | -0.16 |
| Apr | 2.89 | 2.60 | 0.29 |
| May | 4.61 | 4.44 | 0.17 |
| Jun | 3.52 | 3.49 | 0.03 |
| Jul | 2.28 | 2.06 | 0.22 |
| Aug | 2.55 | 2.53 | 0.02 |
| Sep | 3.49 | 3.25 | 0.24 |
| Oct | 4.08 | 3.98 | 0.10 |
| Nov | 2.84 | 2.91 | -0.07 |
| Dec | 2.81 | 2.72 | 0.09 |
36.70 | 35.52 | 1.18 |