| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.09 | 2.04 | 0.05 |
| Feb | 1.81 | 1.72 | 0.09 |
| Mar | 2.59 | 2.55 | 0.04 |
| Apr | 3.13 | 3.06 | 0.07 |
| May | 3.20 | 3.03 | 0.17 |
| Jun | 3.79 | 3.42 | 0.37 |
| Jul | 3.89 | 3.70 | 0.19 |
| Aug | 3.49 | 3.29 | 0.20 |
| Sep | 3.66 | 3.54 | 0.12 |
| Oct | 3.60 | 3.60 | 0.00 |
| Nov | 2.69 | 2.64 | 0.05 |
| Dec | 2.58 | 2.42 | 0.16 |
36.52 | 35.01 | 1.51 |