| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.74 | 0.97 | -0.23 |
| Feb | 0.78 | 0.89 | -0.11 |
| Mar | 1.61 | 1.70 | -0.09 |
| Apr | 2.90 | 3.09 | -0.19 |
| May | 4.16 | 4.16 | 0.00 |
| Jun | 4.55 | 4.63 | -0.08 |
| Jul | 4.17 | 4.33 | -0.16 |
| Aug | 4.48 | 4.36 | 0.12 |
| Sep | 3.29 | 3.26 | 0.03 |
| Oct | 2.69 | 2.77 | -0.08 |
| Nov | 1.58 | 1.70 | -0.12 |
| Dec | 1.05 | 1.28 | -0.23 |
32.00 | 33.14 | -1.14 |