| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.67 | 0.60 | 0.07 |
| Feb | 0.69 | 0.57 | 0.12 |
| Mar | 1.13 | 1.10 | 0.03 |
| Apr | 2.09 | 2.07 | 0.02 |
| May | 3.22 | 3.17 | 0.05 |
| Jun | 4.34 | 4.28 | 0.06 |
| Jul | 4.18 | 3.90 | 0.28 |
| Aug | 3.16 | 3.11 | 0.05 |
| Sep | 2.89 | 2.79 | 0.10 |
| Oct | 2.55 | 2.41 | 0.14 |
| Nov | 1.05 | 0.87 | 0.18 |
| Dec | 0.79 | 0.75 | 0.04 |
26.76 | 25.62 | 1.14 |