| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.08 | 3.14 | -0.06 |
| Feb | 2.62 | 2.74 | -0.12 |
| Mar | 3.62 | 3.72 | -0.10 |
| Apr | 3.40 | 3.36 | 0.04 |
| May | 4.49 | 4.41 | 0.08 |
| Jun | 4.59 | 4.68 | -0.09 |
| Jul | 4.21 | 4.02 | 0.19 |
| Aug | 3.90 | 3.77 | 0.13 |
| Sep | 4.59 | 4.47 | 0.12 |
| Oct | 3.60 | 3.70 | -0.10 |
| Nov | 3.36 | 3.34 | 0.02 |
| Dec | 3.42 | 3.52 | -0.10 |
44.88 | 44.87 | 0.01 |