| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.63 | 0.58 | 0.05 |
| Feb | 0.63 | 0.56 | 0.07 |
| Mar | 1.22 | 1.14 | 0.08 |
| Apr | 2.29 | 2.26 | 0.03 |
| May | 3.17 | 3.13 | 0.04 |
| Jun | 4.42 | 4.29 | 0.13 |
| Jul | 4.30 | 4.15 | 0.15 |
| Aug | 3.67 | 3.68 | -0.01 |
| Sep | 2.88 | 2.87 | 0.01 |
| Oct | 2.51 | 2.48 | 0.03 |
| Nov | 1.10 | 1.07 | 0.03 |
| Dec | 0.75 | 0.69 | 0.06 |
27.57 | 26.90 | 0.67 |