| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.53 | 3.64 | -0.11 |
| Feb | 2.86 | 2.92 | -0.06 |
| Mar | 4.11 | 4.23 | -0.12 |
| Apr | 3.87 | 3.89 | -0.02 |
| May | 4.11 | 3.97 | 0.14 |
| Jun | 4.51 | 4.55 | -0.04 |
| Jul | 4.86 | 4.81 | 0.05 |
| Aug | 4.51 | 4.51 | 0.00 |
| Sep | 4.48 | 4.33 | 0.15 |
| Oct | 4.44 | 4.27 | 0.17 |
| Nov | 3.45 | 3.47 | -0.02 |
| Dec | 4.39 | 4.40 | -0.01 |
49.12 | 48.99 | 0.13 |