| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.57 | 0.55 | 0.02 |
| Feb | 0.70 | 0.68 | 0.02 |
| Mar | 1.51 | 1.59 | -0.08 |
| Apr | 2.70 | 2.68 | 0.02 |
| May | 4.24 | 4.16 | 0.08 |
| Jun | 3.91 | 3.76 | 0.15 |
| Jul | 3.13 | 3.29 | -0.16 |
| Aug | 3.45 | 3.50 | -0.05 |
| Sep | 2.42 | 2.67 | -0.25 |
| Oct | 2.17 | 2.11 | 0.06 |
| Nov | 1.13 | 1.25 | -0.12 |
| Dec | 0.84 | 0.76 | 0.08 |
26.77 | 27.00 | -0.23 |