| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.37 | 3.38 | -0.01 |
| Feb | 3.26 | 3.21 | 0.05 |
| Mar | 4.05 | 4.08 | -0.03 |
| Apr | 4.17 | 4.02 | 0.15 |
| May | 3.73 | 3.61 | 0.12 |
| Jun | 4.20 | 4.21 | -0.01 |
| Jul | 3.85 | 3.69 | 0.16 |
| Aug | 3.91 | 3.81 | 0.10 |
| Sep | 4.09 | 3.91 | 0.18 |
| Oct | 5.01 | 4.88 | 0.13 |
| Nov | 3.91 | 3.76 | 0.15 |
| Dec | 4.40 | 4.45 | -0.05 |
47.95 | 47.01 | 0.94 |