| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.56 | 2.68 | -0.12 |
| Feb | 2.28 | 2.36 | -0.08 |
| Mar | 3.48 | 3.60 | -0.12 |
| Apr | 4.67 | 4.80 | -0.13 |
| May | 5.00 | 4.94 | 0.06 |
| Jun | 4.21 | 4.39 | -0.18 |
| Jul | 3.92 | 3.93 | -0.01 |
| Aug | 3.36 | 3.42 | -0.06 |
| Sep | 3.41 | 3.36 | 0.05 |
| Oct | 3.08 | 3.11 | -0.03 |
| Nov | 3.39 | 3.50 | -0.11 |
| Dec | 2.72 | 2.73 | -0.01 |
42.08 | 42.82 | -0.74 |