| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.45 | 3.42 | 0.03 |
| Feb | 3.21 | 3.22 | -0.01 |
| Mar | 4.53 | 4.31 | 0.22 |
| Apr | 5.17 | 5.13 | 0.04 |
| May | 4.81 | 4.80 | 0.01 |
| Jun | 4.51 | 4.66 | -0.15 |
| Jul | 3.90 | 3.80 | 0.10 |
| Aug | 3.28 | 2.97 | 0.31 |
| Sep | 3.37 | 3.21 | 0.16 |
| Oct | 3.57 | 3.49 | 0.08 |
| Nov | 4.02 | 4.14 | -0.12 |
| Dec | 3.60 | 3.73 | -0.13 |
47.42 | 46.88 | 0.54 |