| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.15 | 1.12 | 0.03 |
| Feb | 1.53 | 1.62 | -0.09 |
| Mar | 2.42 | 2.43 | -0.01 |
| Apr | 3.80 | 3.86 | -0.06 |
| May | 5.31 | 5.55 | -0.24 |
| Jun | 5.02 | 4.98 | 0.04 |
| Jul | 4.58 | 4.68 | -0.10 |
| Aug | 4.32 | 4.23 | 0.09 |
| Sep | 4.06 | 3.95 | 0.11 |
| Oct | 3.05 | 3.08 | -0.03 |
| Nov | 2.20 | 2.13 | 0.07 |
| Dec | 1.62 | 1.66 | -0.04 |
39.06 | 39.29 | -0.23 |