| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.65 | 0.69 | -0.04 |
| Feb | 0.73 | 0.78 | -0.05 |
| Mar | 1.51 | 1.47 | 0.04 |
| Apr | 2.58 | 2.52 | 0.06 |
| May | 3.61 | 3.57 | 0.04 |
| Jun | 4.74 | 4.65 | 0.09 |
| Jul | 3.77 | 3.65 | 0.12 |
| Aug | 4.04 | 3.83 | 0.21 |
| Sep | 3.05 | 2.96 | 0.09 |
| Oct | 2.33 | 2.20 | 0.13 |
| Nov | 1.25 | 1.25 | 0.00 |
| Dec | 0.87 | 0.92 | -0.05 |
29.13 | 28.49 | 0.64 |