| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.74 | 0.98 | -0.24 |
| Feb | 0.77 | 0.92 | -0.15 |
| Mar | 1.60 | 1.72 | -0.12 |
| Apr | 2.90 | 3.12 | -0.22 |
| May | 4.15 | 4.13 | 0.02 |
| Jun | 4.56 | 4.69 | -0.13 |
| Jul | 4.13 | 4.30 | -0.17 |
| Aug | 4.50 | 4.40 | 0.10 |
| Sep | 3.28 | 3.22 | 0.06 |
| Oct | 2.69 | 2.80 | -0.11 |
| Nov | 1.57 | 1.71 | -0.14 |
| Dec | 1.08 | 1.29 | -0.21 |
31.97 | 33.28 | -1.31 |