| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.57 | 3.74 | -0.17 |
| Feb | 3.00 | 3.17 | -0.17 |
| Mar | 3.99 | 3.98 | 0.01 |
| Apr | 3.79 | 4.26 | -0.47 |
| May | 3.87 | 3.81 | 0.06 |
| Jun | 4.21 | 4.27 | -0.06 |
| Jul | 4.18 | 4.46 | -0.28 |
| Aug | 4.25 | 4.52 | -0.27 |
| Sep | 3.95 | 4.06 | -0.11 |
| Oct | 2.95 | 3.23 | -0.28 |
| Nov | 3.18 | 3.25 | -0.07 |
| Dec | 3.80 | 3.87 | -0.07 |
44.74 | 46.62 | -1.88 |