| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.30 | 3.27 | 0.03 |
| Feb | 3.18 | 3.20 | -0.02 |
| Mar | 4.47 | 4.31 | 0.16 |
| Apr | 5.46 | 5.32 | 0.14 |
| May | 5.03 | 4.91 | 0.12 |
| Jun | 4.40 | 4.42 | -0.02 |
| Jul | 4.00 | 3.87 | 0.13 |
| Aug | 3.22 | 3.11 | 0.11 |
| Sep | 3.34 | 3.20 | 0.14 |
| Oct | 3.63 | 3.52 | 0.11 |
| Nov | 4.16 | 4.20 | -0.04 |
| Dec | 3.57 | 3.61 | -0.04 |
47.76 | 46.94 | 0.82 |