| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.94 | 3.09 | -0.15 |
| Feb | 2.46 | 2.50 | -0.04 |
| Mar | 3.51 | 3.59 | -0.08 |
| Apr | 4.09 | 4.00 | 0.09 |
| May | 4.28 | 4.20 | 0.08 |
| Jun | 4.47 | 4.54 | -0.07 |
| Jul | 4.44 | 4.42 | 0.02 |
| Aug | 3.55 | 3.40 | 0.15 |
| Sep | 3.10 | 3.16 | -0.06 |
| Oct | 2.88 | 2.87 | 0.01 |
| Nov | 2.88 | 2.89 | -0.01 |
| Dec | 3.06 | 3.10 | -0.04 |
41.66 | 41.76 | -0.10 |