| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.44 | 2.18 | 0.26 |
| Feb | 1.64 | 1.42 | 0.22 |
| Mar | 2.09 | 1.95 | 0.14 |
| Apr | 1.63 | 1.33 | 0.30 |
| May | 1.84 | 1.60 | 0.24 |
| Jun | 1.66 | 1.47 | 0.19 |
| Jul | 0.61 | 0.54 | 0.07 |
| Aug | 0.53 | 0.42 | 0.11 |
| Sep | 0.74 | 0.62 | 0.12 |
| Oct | 1.66 | 1.44 | 0.22 |
| Nov | 2.45 | 2.09 | 0.36 |
| Dec | 2.72 | 2.57 | 0.15 |
20.01 | 17.63 | 2.38 |