| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.37 | 1.33 | 0.04 |
| Feb | 1.55 | 1.54 | 0.01 |
| Mar | 2.67 | 2.62 | 0.05 |
| Apr | 3.63 | 3.50 | 0.13 |
| May | 5.23 | 5.17 | 0.06 |
| Jun | 4.49 | 4.48 | 0.01 |
| Jul | 3.28 | 3.37 | -0.09 |
| Aug | 3.21 | 3.30 | -0.09 |
| Sep | 3.64 | 3.67 | -0.03 |
| Oct | 3.42 | 3.28 | 0.14 |
| Nov | 2.04 | 2.03 | 0.01 |
| Dec | 2.01 | 1.95 | 0.06 |
36.54 | 36.24 | 0.30 |