| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.23 | 2.17 | 0.06 |
| Feb | 1.80 | 1.84 | -0.04 |
| Mar | 2.33 | 2.36 | -0.03 |
| Apr | 3.73 | 3.57 | 0.16 |
| May | 4.45 | 4.36 | 0.09 |
| Jun | 4.81 | 4.81 | 0.00 |
| Jul | 4.32 | 4.30 | 0.02 |
| Aug | 3.80 | 3.66 | 0.14 |
| Sep | 3.11 | 3.21 | -0.10 |
| Oct | 3.26 | 3.26 | 0.00 |
| Nov | 2.64 | 2.62 | 0.02 |
| Dec | 2.10 | 2.16 | -0.06 |
38.58 | 38.32 | 0.26 |