| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.26 | 3.58 | -0.32 |
| Feb | 2.58 | 2.65 | -0.07 |
| Mar | 3.36 | 3.25 | 0.11 |
| Apr | 3.78 | 3.83 | -0.05 |
| May | 3.89 | 3.92 | -0.03 |
| Jun | 4.72 | 4.63 | 0.09 |
| Jul | 4.18 | 4.58 | -0.40 |
| Aug | 3.94 | 3.87 | 0.07 |
| Sep | 4.14 | 4.12 | 0.02 |
| Oct | 4.07 | 3.99 | 0.08 |
| Nov | 3.38 | 3.50 | -0.12 |
| Dec | 3.50 | 3.67 | -0.17 |
44.80 | 45.59 | -0.79 |