| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.86 | 0.84 | 0.02 |
| Feb | 1.18 | 1.20 | -0.02 |
| Mar | 2.19 | 2.27 | -0.08 |
| Apr | 2.74 | 2.88 | -0.14 |
| May | 4.94 | 5.26 | -0.32 |
| Jun | 4.42 | 4.32 | 0.10 |
| Jul | 4.04 | 4.02 | 0.02 |
| Aug | 3.66 | 3.58 | 0.08 |
| Sep | 2.87 | 2.80 | 0.07 |
| Oct | 2.40 | 2.41 | -0.01 |
| Nov | 1.46 | 1.48 | -0.02 |
| Dec | 1.25 | 1.22 | 0.03 |
32.01 | 32.28 | -0.27 |