| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.54 | 1.50 | 0.04 |
| Feb | 1.67 | 1.59 | 0.08 |
| Mar | 2.23 | 2.23 | 0.00 |
| Apr | 2.22 | 2.16 | 0.06 |
| May | 3.95 | 4.14 | -0.19 |
| Jun | 3.07 | 3.02 | 0.05 |
| Jul | 2.11 | 2.04 | 0.07 |
| Aug | 2.24 | 2.46 | -0.22 |
| Sep | 3.25 | 3.28 | -0.03 |
| Oct | 2.99 | 2.89 | 0.10 |
| Nov | 1.86 | 1.92 | -0.06 |
| Dec | 1.55 | 1.69 | -0.14 |
28.68 | 28.92 | -0.24 |