| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.58 | 3.47 | 0.11 |
| Feb | 2.89 | 2.92 | -0.03 |
| Mar | 3.54 | 3.50 | 0.04 |
| Apr | 2.94 | 3.11 | -0.17 |
| May | 4.92 | 4.68 | 0.24 |
| Jun | 3.67 | 3.68 | -0.01 |
| Jul | 2.07 | 1.97 | 0.10 |
| Aug | 2.66 | 2.80 | -0.14 |
| Sep | 3.45 | 3.29 | 0.16 |
| Oct | 4.44 | 4.43 | 0.01 |
| Nov | 3.59 | 3.52 | 0.07 |
| Dec | 3.75 | 3.73 | 0.02 |
41.50 | 41.10 | 0.40 |