| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.51 | 1.47 | 0.04 |
| Feb | 1.16 | 1.16 | 0.00 |
| Mar | 1.86 | 1.83 | 0.03 |
| Apr | 3.01 | 3.08 | -0.07 |
| May | 3.55 | 3.48 | 0.07 |
| Jun | 4.02 | 4.17 | -0.15 |
| Jul | 3.66 | 3.67 | -0.01 |
| Aug | 3.41 | 3.42 | -0.01 |
| Sep | 3.31 | 3.20 | 0.11 |
| Oct | 2.89 | 2.77 | 0.12 |
| Nov | 2.07 | 1.97 | 0.10 |
| Dec | 1.74 | 1.69 | 0.05 |
32.19 | 31.91 | 0.28 |