| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.84 | 0.87 | -0.03 |
| Feb | 0.84 | 0.86 | -0.02 |
| Mar | 1.64 | 1.67 | -0.03 |
| Apr | 2.87 | 2.95 | -0.08 |
| May | 4.01 | 4.29 | -0.28 |
| Jun | 4.83 | 5.04 | -0.21 |
| Jul | 4.19 | 4.15 | 0.04 |
| Aug | 4.46 | 4.65 | -0.19 |
| Sep | 3.30 | 3.45 | -0.15 |
| Oct | 2.57 | 2.56 | 0.01 |
| Nov | 1.52 | 1.62 | -0.10 |
| Dec | 1.14 | 1.18 | -0.04 |
32.21 | 33.29 | -1.08 |