| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.08 | 3.21 | -0.13 |
| Feb | 2.68 | 2.80 | -0.12 |
| Mar | 3.90 | 4.01 | -0.11 |
| Apr | 3.29 | 3.25 | 0.04 |
| May | 3.73 | 3.84 | -0.11 |
| Jun | 4.16 | 4.27 | -0.11 |
| Jul | 4.57 | 4.65 | -0.08 |
| Aug | 4.57 | 4.56 | 0.01 |
| Sep | 4.30 | 4.21 | 0.09 |
| Oct | 3.94 | 3.94 | 0.00 |
| Nov | 3.22 | 3.16 | 0.06 |
| Dec | 3.60 | 3.67 | -0.07 |
45.04 | 45.57 | -0.53 |