| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.80 | 0.91 | -0.11 |
| Feb | 0.81 | 0.89 | -0.08 |
| Mar | 1.56 | 1.64 | -0.08 |
| Apr | 2.88 | 3.10 | -0.22 |
| May | 4.14 | 4.25 | -0.11 |
| Jun | 4.91 | 5.03 | -0.12 |
| Jul | 4.11 | 4.23 | -0.12 |
| Aug | 4.43 | 4.57 | -0.14 |
| Sep | 3.28 | 3.36 | -0.08 |
| Oct | 2.80 | 3.01 | -0.21 |
| Nov | 1.66 | 1.75 | -0.09 |
| Dec | 1.14 | 1.26 | -0.12 |
32.52 | 34.00 | -1.48 |