| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.46 | 0.50 | -0.04 |
| Feb | 0.59 | 0.62 | -0.03 |
| Mar | 0.85 | 0.89 | -0.04 |
| Apr | 1.69 | 1.77 | -0.08 |
| May | 3.13 | 3.12 | 0.01 |
| Jun | 3.50 | 3.64 | -0.14 |
| Jul | 3.00 | 3.12 | -0.12 |
| Aug | 2.31 | 2.28 | 0.03 |
| Sep | 1.92 | 1.91 | 0.01 |
| Oct | 1.76 | 1.76 | 0.00 |
| Nov | 0.58 | 0.64 | -0.06 |
| Dec | 0.53 | 0.57 | -0.04 |
20.32 | 20.82 | -0.50 |