| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.48 | 2.65 | -0.17 |
| Feb | 2.14 | 2.29 | -0.15 |
| Mar | 3.35 | 3.39 | -0.04 |
| Apr | 4.62 | 4.70 | -0.08 |
| May | 4.91 | 5.10 | -0.19 |
| Jun | 4.24 | 4.42 | -0.18 |
| Jul | 4.01 | 4.12 | -0.11 |
| Aug | 3.28 | 3.68 | -0.40 |
| Sep | 3.29 | 3.28 | 0.01 |
| Oct | 3.13 | 3.21 | -0.08 |
| Nov | 3.36 | 3.52 | -0.16 |
| Dec | 2.60 | 2.63 | -0.03 |
41.41 | 42.99 | -1.58 |