| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.53 | 3.55 | -0.02 |
| Feb | 2.83 | 2.75 | 0.08 |
| Mar | 4.16 | 4.07 | 0.09 |
| Apr | 3.49 | 3.55 | -0.06 |
| May | 3.51 | 3.60 | -0.09 |
| Jun | 4.61 | 4.48 | 0.13 |
| Jul | 4.93 | 5.00 | -0.07 |
| Aug | 4.67 | 4.69 | -0.02 |
| Sep | 5.04 | 5.11 | -0.07 |
| Oct | 3.55 | 3.54 | 0.01 |
| Nov | 3.39 | 3.27 | 0.12 |
| Dec | 3.50 | 3.48 | 0.02 |
47.21 | 47.09 | 0.12 |