| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.60 | 0.62 | -0.02 |
| Feb | 0.59 | 0.63 | -0.04 |
| Mar | 1.00 | 0.97 | 0.03 |
| Apr | 1.63 | 1.55 | 0.08 |
| May | 3.02 | 3.00 | 0.02 |
| Jun | 3.82 | 4.04 | -0.22 |
| Jul | 3.19 | 3.19 | 0.00 |
| Aug | 2.74 | 2.53 | 0.21 |
| Sep | 2.45 | 2.49 | -0.04 |
| Oct | 2.07 | 2.16 | -0.09 |
| Nov | 0.69 | 0.72 | -0.03 |
| Dec | 0.66 | 0.69 | -0.03 |
22.46 | 22.59 | -0.13 |