| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.71 | 3.63 | 0.08 |
| Feb | 2.99 | 3.12 | -0.13 |
| Mar | 3.88 | 4.14 | -0.26 |
| Apr | 3.99 | 4.04 | -0.05 |
| May | 4.06 | 4.03 | 0.03 |
| Jun | 4.84 | 4.85 | -0.01 |
| Jul | 4.71 | 4.80 | -0.09 |
| Aug | 4.76 | 4.71 | 0.05 |
| Sep | 5.07 | 5.16 | -0.09 |
| Oct | 5.08 | 5.17 | -0.09 |
| Nov | 4.04 | 3.92 | 0.12 |
| Dec | 4.41 | 4.56 | -0.15 |
51.54 | 52.13 | -0.59 |