| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.60 | 0.63 | -0.03 |
| Feb | 0.55 | 0.59 | -0.04 |
| Mar | 1.11 | 1.10 | 0.01 |
| Apr | 2.10 | 2.05 | 0.05 |
| May | 3.24 | 3.14 | 0.10 |
| Jun | 4.22 | 4.23 | -0.01 |
| Jul | 4.35 | 4.18 | 0.17 |
| Aug | 3.47 | 3.54 | -0.07 |
| Sep | 2.83 | 2.72 | 0.11 |
| Oct | 2.48 | 2.45 | 0.03 |
| Nov | 0.98 | 0.95 | 0.03 |
| Dec | 0.69 | 0.82 | -0.13 |
26.62 | 26.40 | 0.22 |