| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.58 | 1.55 | 0.03 |
| Feb | 1.17 | 1.15 | 0.02 |
| Mar | 1.84 | 1.76 | 0.08 |
| Apr | 3.02 | 3.04 | -0.02 |
| May | 3.46 | 3.38 | 0.08 |
| Jun | 3.94 | 3.84 | 0.10 |
| Jul | 3.60 | 3.52 | 0.08 |
| Aug | 3.38 | 3.35 | 0.03 |
| Sep | 3.29 | 3.13 | 0.16 |
| Oct | 3.03 | 3.00 | 0.03 |
| Nov | 2.17 | 2.11 | 0.06 |
| Dec | 1.80 | 1.72 | 0.08 |
32.28 | 31.55 | 0.73 |