| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.58 | 4.43 | 0.15 |
| Feb | 3.77 | 3.63 | 0.14 |
| Mar | 4.49 | 4.18 | 0.31 |
| Apr | 4.53 | 4.39 | 0.14 |
| May | 4.31 | 4.25 | 0.06 |
| Jun | 4.63 | 4.51 | 0.12 |
| Jul | 4.51 | 4.75 | -0.24 |
| Aug | 4.89 | 5.20 | -0.31 |
| Sep | 4.50 | 4.35 | 0.15 |
| Oct | 3.86 | 3.55 | 0.31 |
| Nov | 4.09 | 3.80 | 0.29 |
| Dec | 4.53 | 4.54 | -0.01 |
52.69 | 51.58 | 1.11 |