| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.91 | 0.85 | 0.06 |
| Feb | 1.14 | 1.05 | 0.09 |
| Mar | 1.42 | 1.36 | 0.06 |
| Apr | 1.66 | 1.62 | 0.04 |
| May | 2.60 | 2.78 | -0.18 |
| Jun | 2.55 | 2.47 | 0.08 |
| Jul | 1.69 | 1.45 | 0.24 |
| Aug | 2.21 | 2.30 | -0.09 |
| Sep | 2.58 | 2.49 | 0.09 |
| Oct | 2.57 | 2.42 | 0.15 |
| Nov | 1.21 | 1.15 | 0.06 |
| Dec | 1.00 | 0.85 | 0.15 |
21.54 | 20.79 | 0.75 |