| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.70 | 3.54 | 0.16 |
| Feb | 2.92 | 2.91 | 0.01 |
| Mar | 3.99 | 3.78 | 0.21 |
| Apr | 3.86 | 4.04 | -0.18 |
| May | 4.42 | 4.32 | 0.10 |
| Jun | 4.37 | 4.44 | -0.07 |
| Jul | 4.17 | 3.96 | 0.21 |
| Aug | 3.75 | 3.52 | 0.23 |
| Sep | 4.71 | 4.38 | 0.33 |
| Oct | 3.69 | 3.41 | 0.28 |
| Nov | 3.73 | 3.44 | 0.29 |
| Dec | 3.90 | 3.89 | 0.01 |
47.21 | 45.63 | 1.58 |