| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.55 | 0.53 | 0.02 |
| Feb | 0.70 | 0.68 | 0.02 |
| Mar | 1.51 | 1.51 | 0.00 |
| Apr | 2.71 | 2.71 | 0.00 |
| May | 4.24 | 4.20 | 0.04 |
| Jun | 3.89 | 3.88 | 0.01 |
| Jul | 3.12 | 3.25 | -0.13 |
| Aug | 3.41 | 3.47 | -0.06 |
| Sep | 2.44 | 2.57 | -0.13 |
| Oct | 2.13 | 2.12 | 0.01 |
| Nov | 1.11 | 1.17 | -0.06 |
| Dec | 0.80 | 0.76 | 0.04 |
26.61 | 26.85 | -0.24 |