| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.43 | 1.30 | 0.13 |
| Feb | 1.21 | 1.09 | 0.12 |
| Mar | 1.74 | 1.64 | 0.10 |
| Apr | 2.84 | 2.86 | -0.02 |
| May | 3.54 | 3.49 | 0.05 |
| Jun | 4.05 | 4.11 | -0.06 |
| Jul | 4.10 | 4.26 | -0.16 |
| Aug | 3.39 | 3.48 | -0.09 |
| Sep | 3.67 | 3.60 | 0.07 |
| Oct | 3.64 | 3.46 | 0.18 |
| Nov | 2.09 | 1.96 | 0.13 |
| Dec | 1.76 | 1.62 | 0.14 |
33.46 | 32.87 | 0.59 |