| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.65 | 3.74 | -0.09 |
| Feb | 3.36 | 3.56 | -0.20 |
| Mar | 4.71 | 4.86 | -0.15 |
| Apr | 5.23 | 5.49 | -0.26 |
| May | 5.58 | 5.52 | 0.06 |
| Jun | 4.80 | 5.14 | -0.34 |
| Jul | 4.39 | 4.56 | -0.17 |
| Aug | 3.09 | 3.12 | -0.03 |
| Sep | 3.55 | 3.71 | -0.16 |
| Oct | 3.60 | 3.71 | -0.11 |
| Nov | 3.99 | 4.13 | -0.14 |
| Dec | 4.05 | 4.20 | -0.15 |
50.00 | 51.74 | -1.74 |