| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.69 | 0.69 | 0.00 |
| Feb | 0.77 | 0.81 | -0.04 |
| Mar | 1.52 | 1.55 | -0.03 |
| Apr | 2.89 | 2.95 | -0.06 |
| May | 3.92 | 3.87 | 0.05 |
| Jun | 4.68 | 4.62 | 0.06 |
| Jul | 3.73 | 3.53 | 0.20 |
| Aug | 3.56 | 3.42 | 0.14 |
| Sep | 3.31 | 3.33 | -0.02 |
| Oct | 2.28 | 2.28 | 0.00 |
| Nov | 1.30 | 1.28 | 0.02 |
| Dec | 0.84 | 0.93 | -0.09 |
29.49 | 29.26 | 0.23 |