| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.65 | 0.63 | 0.02 |
| Feb | 0.66 | 0.68 | -0.02 |
| Mar | 1.23 | 1.26 | -0.03 |
| Apr | 2.19 | 2.25 | -0.06 |
| May | 3.34 | 3.41 | -0.07 |
| Jun | 4.19 | 4.19 | 0.00 |
| Jul | 4.33 | 4.33 | 0.00 |
| Aug | 3.40 | 3.27 | 0.13 |
| Sep | 2.93 | 2.83 | 0.10 |
| Oct | 2.64 | 2.68 | -0.04 |
| Nov | 1.21 | 1.18 | 0.03 |
| Dec | 0.88 | 0.90 | -0.02 |
27.65 | 27.61 | 0.04 |