| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.17 | 1.11 | 0.06 |
| Feb | 1.10 | 1.04 | 0.06 |
| Mar | 1.71 | 1.60 | 0.11 |
| Apr | 2.84 | 2.77 | 0.07 |
| May | 3.63 | 3.59 | 0.04 |
| Jun | 4.39 | 4.42 | -0.03 |
| Jul | 3.85 | 3.81 | 0.04 |
| Aug | 3.76 | 3.74 | 0.02 |
| Sep | 3.62 | 3.65 | -0.03 |
| Oct | 3.26 | 3.17 | 0.09 |
| Nov | 1.93 | 1.86 | 0.07 |
| Dec | 1.48 | 1.42 | 0.06 |
32.74 | 32.18 | 0.56 |