| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.49 | 2.46 | 0.03 |
| Feb | 2.08 | 1.98 | 0.10 |
| Mar | 2.64 | 2.79 | -0.15 |
| Apr | 2.70 | 2.47 | 0.23 |
| May | 4.51 | 4.53 | -0.02 |
| Jun | 3.42 | 3.48 | -0.06 |
| Jul | 2.28 | 2.08 | 0.20 |
| Aug | 2.44 | 2.24 | 0.20 |
| Sep | 3.69 | 3.62 | 0.07 |
| Oct | 4.15 | 4.12 | 0.03 |
| Nov | 2.84 | 2.82 | 0.02 |
| Dec | 2.52 | 2.68 | -0.16 |
35.76 | 35.27 | 0.49 |