| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.52 | 0.53 | -0.01 |
| Feb | 0.74 | 0.74 | 0.00 |
| Mar | 1.34 | 1.29 | 0.05 |
| Apr | 2.64 | 2.80 | -0.16 |
| May | 3.55 | 3.57 | -0.02 |
| Jun | 4.15 | 4.12 | 0.03 |
| Jul | 3.28 | 3.36 | -0.08 |
| Aug | 3.30 | 3.39 | -0.09 |
| Sep | 2.95 | 3.09 | -0.14 |
| Oct | 2.08 | 2.08 | 0.00 |
| Nov | 1.01 | 1.01 | 0.00 |
| Dec | 0.73 | 0.84 | -0.11 |
26.29 | 26.82 | -0.53 |