| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.71 | 3.65 | 0.06 |
| Feb | 3.35 | 3.39 | -0.04 |
| Mar | 4.31 | 4.30 | 0.01 |
| Apr | 4.05 | 4.05 | 0.00 |
| May | 4.96 | 4.99 | -0.03 |
| Jun | 5.13 | 4.99 | 0.14 |
| Jul | 5.17 | 5.36 | -0.19 |
| Aug | 3.84 | 3.93 | -0.09 |
| Sep | 3.67 | 3.61 | 0.06 |
| Oct | 3.39 | 3.36 | 0.03 |
| Nov | 3.17 | 3.16 | 0.01 |
| Dec | 3.92 | 3.87 | 0.05 |
48.67 | 48.66 | 0.01 |