| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.69 | 0.60 | 0.09 |
| Feb | 0.70 | 0.57 | 0.13 |
| Mar | 1.12 | 1.08 | 0.04 |
| Apr | 2.04 | 2.05 | -0.01 |
| May | 3.21 | 3.25 | -0.04 |
| Jun | 4.36 | 4.41 | -0.05 |
| Jul | 4.10 | 4.00 | 0.10 |
| Aug | 3.16 | 3.19 | -0.03 |
| Sep | 2.91 | 2.88 | 0.03 |
| Oct | 2.52 | 2.43 | 0.09 |
| Nov | 1.01 | 0.89 | 0.12 |
| Dec | 0.81 | 0.75 | 0.06 |
26.63 | 26.10 | 0.53 |