| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.03 | 3.26 | -0.23 |
| Feb | 2.45 | 2.56 | -0.11 |
| Mar | 3.57 | 3.45 | 0.12 |
| Apr | 4.80 | 4.93 | -0.13 |
| May | 4.89 | 4.66 | 0.23 |
| Jun | 5.11 | 4.80 | 0.31 |
| Jul | 4.35 | 4.44 | -0.09 |
| Aug | 3.04 | 3.11 | -0.07 |
| Sep | 3.35 | 3.46 | -0.11 |
| Oct | 3.65 | 3.66 | -0.01 |
| Nov | 3.68 | 3.80 | -0.12 |
| Dec | 3.11 | 3.08 | 0.03 |
45.03 | 45.21 | -0.18 |