| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.52 | 2.50 | 0.02 |
| Feb | 2.09 | 1.98 | 0.11 |
| Mar | 2.64 | 2.79 | -0.15 |
| Apr | 2.72 | 2.45 | 0.27 |
| May | 4.55 | 4.67 | -0.12 |
| Jun | 3.36 | 3.47 | -0.11 |
| Jul | 2.25 | 2.08 | 0.17 |
| Aug | 2.43 | 2.28 | 0.15 |
| Sep | 3.66 | 3.57 | 0.09 |
| Oct | 4.19 | 4.18 | 0.01 |
| Nov | 2.82 | 2.79 | 0.03 |
| Dec | 2.56 | 2.72 | -0.16 |
35.79 | 35.48 | 0.31 |