| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.89 | 0.83 | 0.06 |
| Feb | 0.95 | 0.88 | 0.07 |
| Mar | 1.82 | 1.69 | 0.13 |
| Apr | 3.19 | 2.93 | 0.26 |
| May | 4.37 | 4.23 | 0.14 |
| Jun | 5.11 | 4.99 | 0.12 |
| Jul | 4.38 | 4.12 | 0.26 |
| Aug | 4.48 | 4.44 | 0.04 |
| Sep | 3.47 | 3.41 | 0.06 |
| Oct | 2.57 | 2.49 | 0.08 |
| Nov | 1.64 | 1.54 | 0.10 |
| Dec | 1.24 | 1.21 | 0.03 |
34.11 | 32.76 | 1.35 |