| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.42 | 3.54 | -0.12 |
| Feb | 2.68 | 2.91 | -0.23 |
| Mar | 3.92 | 4.06 | -0.14 |
| Apr | 3.95 | 4.04 | -0.09 |
| May | 3.92 | 3.95 | -0.03 |
| Jun | 4.60 | 4.78 | -0.18 |
| Jul | 4.44 | 4.55 | -0.11 |
| Aug | 4.59 | 4.62 | -0.03 |
| Sep | 4.41 | 4.27 | 0.14 |
| Oct | 4.48 | 4.57 | -0.09 |
| Nov | 3.62 | 3.70 | -0.08 |
| Dec | 4.24 | 4.46 | -0.22 |
48.27 | 49.45 | -1.18 |