| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.46 | 3.47 | -0.01 |
| Feb | 3.42 | 3.57 | -0.15 |
| Mar | 4.47 | 4.41 | 0.06 |
| Apr | 4.42 | 4.42 | 0.00 |
| May | 5.02 | 5.06 | -0.04 |
| Jun | 4.65 | 4.63 | 0.02 |
| Jul | 5.22 | 5.08 | 0.14 |
| Aug | 3.59 | 3.47 | 0.12 |
| Sep | 3.76 | 3.73 | 0.03 |
| Oct | 3.41 | 3.01 | 0.40 |
| Nov | 3.28 | 3.17 | 0.11 |
| Dec | 4.12 | 4.23 | -0.11 |
48.82 | 48.25 | 0.57 |