| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.74 | 0.75 | -0.01 |
| Feb | 0.78 | 0.76 | 0.02 |
| Mar | 1.31 | 1.29 | 0.02 |
| Apr | 2.28 | 2.29 | -0.01 |
| May | 3.22 | 3.45 | -0.23 |
| Jun | 4.52 | 4.62 | -0.10 |
| Jul | 4.31 | 4.40 | -0.09 |
| Aug | 3.68 | 3.75 | -0.07 |
| Sep | 3.16 | 3.20 | -0.04 |
| Oct | 2.88 | 2.99 | -0.11 |
| Nov | 1.48 | 1.42 | 0.06 |
| Dec | 1.09 | 1.13 | -0.04 |
29.45 | 30.05 | -0.60 |