| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.95 | 1.85 | 0.10 |
| Feb | 1.45 | 1.35 | 0.10 |
| Mar | 1.87 | 1.79 | 0.08 |
| Apr | 2.96 | 2.87 | 0.09 |
| May | 3.69 | 3.52 | 0.17 |
| Jun | 3.86 | 3.84 | 0.02 |
| Jul | 4.12 | 4.07 | 0.05 |
| Aug | 3.76 | 3.60 | 0.16 |
| Sep | 3.59 | 3.59 | 0.00 |
| Oct | 3.79 | 3.62 | 0.17 |
| Nov | 2.59 | 2.52 | 0.07 |
| Dec | 2.21 | 2.18 | 0.03 |
35.84 | 34.80 | 1.04 |