| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.09 | 3.12 | -0.03 |
| Feb | 2.63 | 2.67 | -0.04 |
| Mar | 3.91 | 3.87 | 0.04 |
| Apr | 3.59 | 3.53 | 0.06 |
| May | 3.96 | 4.06 | -0.10 |
| Jun | 4.00 | 3.90 | 0.10 |
| Jul | 4.39 | 4.10 | 0.29 |
| Aug | 3.69 | 3.90 | -0.21 |
| Sep | 4.77 | 4.86 | -0.09 |
| Oct | 3.88 | 3.90 | -0.02 |
| Nov | 3.11 | 3.16 | -0.05 |
| Dec | 3.49 | 3.58 | -0.09 |
44.51 | 44.65 | -0.14 |