| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.08 | 1.04 | 0.04 |
| Feb | 1.17 | 1.08 | 0.09 |
| Mar | 1.86 | 1.82 | 0.04 |
| Apr | 3.20 | 3.04 | 0.16 |
| May | 4.16 | 4.03 | 0.13 |
| Jun | 4.88 | 4.70 | 0.18 |
| Jul | 3.69 | 3.67 | 0.02 |
| Aug | 4.28 | 4.00 | 0.28 |
| Sep | 3.64 | 3.61 | 0.03 |
| Oct | 2.70 | 2.54 | 0.16 |
| Nov | 1.87 | 1.75 | 0.12 |
| Dec | 1.29 | 1.33 | -0.04 |
33.82 | 32.61 | 1.21 |