| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.23 | 3.29 | -0.06 |
| Feb | 3.10 | 3.05 | 0.05 |
| Mar | 4.05 | 4.09 | -0.04 |
| Apr | 4.43 | 4.53 | -0.10 |
| May | 4.86 | 4.89 | -0.03 |
| Jun | 4.68 | 4.67 | 0.01 |
| Jul | 4.59 | 4.71 | -0.12 |
| Aug | 3.53 | 3.45 | 0.08 |
| Sep | 3.20 | 3.20 | 0.00 |
| Oct | 3.12 | 3.15 | -0.03 |
| Nov | 3.01 | 3.15 | -0.14 |
| Dec | 3.57 | 3.62 | -0.05 |
45.37 | 45.80 | -0.43 |