| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.81 | 0.81 | 0.00 |
| Feb | 0.87 | 0.83 | 0.04 |
| Mar | 1.67 | 1.62 | 0.05 |
| Apr | 2.99 | 2.91 | 0.08 |
| May | 4.30 | 4.28 | 0.02 |
| Jun | 4.84 | 4.81 | 0.03 |
| Jul | 4.18 | 3.95 | 0.23 |
| Aug | 4.35 | 4.47 | -0.12 |
| Sep | 3.24 | 3.18 | 0.06 |
| Oct | 2.50 | 2.56 | -0.06 |
| Nov | 1.57 | 1.54 | 0.03 |
| Dec | 1.14 | 1.17 | -0.03 |
32.46 | 32.13 | 0.33 |