| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.73 | 1.77 | -0.04 |
| Feb | 1.65 | 1.68 | -0.03 |
| Mar | 2.15 | 2.12 | 0.03 |
| Apr | 2.54 | 2.65 | -0.11 |
| May | 2.35 | 2.31 | 0.04 |
| Jun | 1.13 | 1.12 | 0.01 |
| Jul | 0.62 | 0.61 | 0.01 |
| Aug | 0.67 | 0.63 | 0.04 |
| Sep | 1.31 | 1.28 | 0.03 |
| Oct | 1.60 | 1.57 | 0.03 |
| Nov | 1.57 | 1.58 | -0.01 |
| Dec | 1.68 | 1.65 | 0.03 |
19.00 | 18.97 | 0.03 |