| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.48 | 1.44 | 0.04 |
| Feb | 1.15 | 1.15 | 0.00 |
| Mar | 1.88 | 1.81 | 0.07 |
| Apr | 3.03 | 3.08 | -0.05 |
| May | 3.60 | 3.49 | 0.11 |
| Jun | 4.19 | 4.23 | -0.04 |
| Jul | 3.69 | 3.66 | 0.03 |
| Aug | 3.41 | 3.42 | -0.01 |
| Sep | 3.27 | 3.20 | 0.07 |
| Oct | 2.88 | 2.80 | 0.08 |
| Nov | 2.07 | 1.96 | 0.11 |
| Dec | 1.71 | 1.67 | 0.04 |
32.36 | 31.91 | 0.45 |