| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.15 | 1.16 | -0.01 |
| Feb | 1.03 | 1.05 | -0.02 |
| Mar | 1.69 | 1.66 | 0.03 |
| Apr | 2.81 | 2.84 | -0.03 |
| May | 3.59 | 3.57 | 0.02 |
| Jun | 4.30 | 4.28 | 0.02 |
| Jul | 3.79 | 3.80 | -0.01 |
| Aug | 3.54 | 3.53 | 0.01 |
| Sep | 3.62 | 3.58 | 0.04 |
| Oct | 3.20 | 3.13 | 0.07 |
| Nov | 1.87 | 1.82 | 0.05 |
| Dec | 1.48 | 1.46 | 0.02 |
32.07 | 31.88 | 0.19 |