| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.17 | 3.21 | -0.04 |
| Feb | 2.69 | 2.75 | -0.06 |
| Mar | 2.95 | 3.17 | -0.22 |
| Apr | 3.53 | 3.62 | -0.09 |
| May | 4.19 | 4.13 | 0.06 |
| Jun | 4.77 | 4.86 | -0.09 |
| Jul | 5.03 | 4.93 | 0.10 |
| Aug | 4.65 | 4.61 | 0.04 |
| Sep | 3.87 | 3.87 | 0.00 |
| Oct | 4.77 | 4.84 | -0.07 |
| Nov | 3.46 | 3.61 | -0.15 |
| Dec | 3.76 | 3.96 | -0.20 |
46.84 | 47.56 | -0.72 |