| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.03 | 3.12 | -0.09 |
| Feb | 2.96 | 2.95 | 0.01 |
| Mar | 3.45 | 3.54 | -0.09 |
| Apr | 3.67 | 3.80 | -0.13 |
| May | 3.77 | 3.61 | 0.16 |
| Jun | 4.16 | 4.09 | 0.07 |
| Jul | 4.05 | 3.85 | 0.20 |
| Aug | 3.91 | 3.79 | 0.12 |
| Sep | 3.70 | 3.63 | 0.07 |
| Oct | 4.74 | 4.79 | -0.05 |
| Nov | 3.69 | 3.72 | -0.03 |
| Dec | 3.91 | 4.10 | -0.19 |
45.04 | 44.99 | 0.05 |