| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.08 | 3.14 | -0.06 |
| Feb | 2.58 | 2.62 | -0.04 |
| Mar | 3.78 | 3.83 | -0.05 |
| Apr | 3.64 | 3.56 | 0.08 |
| May | 4.23 | 4.12 | 0.11 |
| Jun | 4.28 | 4.15 | 0.13 |
| Jul | 4.32 | 4.13 | 0.19 |
| Aug | 3.54 | 3.47 | 0.07 |
| Sep | 4.59 | 4.67 | -0.08 |
| Oct | 3.82 | 3.87 | -0.05 |
| Nov | 3.18 | 3.22 | -0.04 |
| Dec | 3.65 | 3.71 | -0.06 |
44.69 | 44.49 | 0.20 |