| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.69 | 1.62 | 0.07 |
| Feb | 1.26 | 1.14 | 0.12 |
| Mar | 1.78 | 1.69 | 0.09 |
| Apr | 2.86 | 2.83 | 0.03 |
| May | 3.08 | 3.01 | 0.07 |
| Jun | 3.20 | 3.10 | 0.10 |
| Jul | 3.24 | 2.95 | 0.29 |
| Aug | 2.95 | 2.76 | 0.19 |
| Sep | 3.35 | 3.21 | 0.14 |
| Oct | 3.42 | 3.41 | 0.01 |
| Nov | 2.36 | 2.30 | 0.06 |
| Dec | 2.00 | 1.79 | 0.21 |
31.19 | 29.81 | 1.38 |