| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.69 | 0.69 | 0.00 |
| Feb | 0.84 | 0.82 | 0.02 |
| Mar | 1.58 | 1.56 | 0.02 |
| Apr | 2.61 | 2.67 | -0.06 |
| May | 5.02 | 5.00 | 0.02 |
| Jun | 4.56 | 4.55 | 0.01 |
| Jul | 3.50 | 3.44 | 0.06 |
| Aug | 3.65 | 3.58 | 0.07 |
| Sep | 2.83 | 2.66 | 0.17 |
| Oct | 2.26 | 2.20 | 0.06 |
| Nov | 1.26 | 1.33 | -0.07 |
| Dec | 1.12 | 1.01 | 0.11 |
29.92 | 29.51 | 0.41 |