| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.01 | 4.20 | -0.19 |
| Feb | 3.62 | 3.68 | -0.06 |
| Mar | 5.14 | 5.14 | 0.00 |
| Apr | 4.32 | 4.38 | -0.06 |
| May | 3.47 | 3.51 | -0.04 |
| Jun | 3.55 | 3.62 | -0.07 |
| Jul | 2.88 | 2.94 | -0.06 |
| Aug | 3.49 | 3.64 | -0.15 |
| Sep | 4.14 | 4.13 | 0.01 |
| Oct | 4.95 | 4.71 | 0.24 |
| Nov | 4.31 | 4.25 | 0.06 |
| Dec | 4.90 | 5.13 | -0.23 |
48.78 | 49.33 | -0.55 |