| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.64 | 2.70 | -0.06 |
| Feb | 2.89 | 2.81 | 0.08 |
| Mar | 3.75 | 3.57 | 0.18 |
| Apr | 3.62 | 3.68 | -0.06 |
| May | 4.58 | 4.33 | 0.25 |
| Jun | 3.94 | 3.87 | 0.07 |
| Jul | 2.01 | 2.19 | -0.18 |
| Aug | 2.53 | 2.44 | 0.09 |
| Sep | 3.25 | 3.18 | 0.07 |
| Oct | 4.70 | 4.67 | 0.03 |
| Nov | 2.96 | 2.95 | 0.01 |
| Dec | 3.21 | 3.22 | -0.01 |
40.08 | 39.61 | 0.47 |