| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.58 | 3.91 | -0.33 |
| Feb | 2.99 | 3.51 | -0.52 |
| Mar | 4.31 | 4.84 | -0.53 |
| Apr | 4.19 | 4.59 | -0.40 |
| May | 3.64 | 3.74 | -0.10 |
| Jun | 4.00 | 4.14 | -0.14 |
| Jul | 3.37 | 3.56 | -0.19 |
| Aug | 3.80 | 4.35 | -0.55 |
| Sep | 4.14 | 4.53 | -0.39 |
| Oct | 4.64 | 4.79 | -0.15 |
| Nov | 3.84 | 4.07 | -0.23 |
| Dec | 4.38 | 4.84 | -0.46 |
46.88 | 50.87 | -3.99 |