| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 5.17 | 5.11 | 0.06 |
| Feb | 3.17 | 3.18 | -0.01 |
| Mar | 3.63 | 3.64 | -0.01 |
| Apr | 2.95 | 3.01 | -0.06 |
| May | 2.54 | 2.32 | 0.22 |
| Jun | 1.87 | 1.78 | 0.09 |
| Jul | 1.08 | 0.98 | 0.10 |
| Aug | 1.27 | 1.13 | 0.14 |
| Sep | 2.21 | 2.01 | 0.20 |
| Oct | 4.10 | 4.04 | 0.06 |
| Nov | 5.79 | 5.62 | 0.17 |
| Dec | 4.80 | 4.69 | 0.11 |
38.58 | 37.51 | 1.07 |