| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.20 | 2.19 | 0.01 |
| Feb | 1.47 | 1.39 | 0.08 |
| Mar | 1.73 | 1.76 | -0.03 |
| Apr | 1.79 | 1.47 | 0.32 |
| May | 2.18 | 1.90 | 0.28 |
| Jun | 2.19 | 2.10 | 0.09 |
| Jul | 1.01 | 0.83 | 0.18 |
| Aug | 0.63 | 0.60 | 0.03 |
| Sep | 0.90 | 0.78 | 0.12 |
| Oct | 1.67 | 1.50 | 0.17 |
| Nov | 2.24 | 2.18 | 0.06 |
| Dec | 2.41 | 2.60 | -0.19 |
20.42 | 19.30 | 1.12 |