| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.89 | 3.01 | -0.12 |
| Feb | 2.34 | 2.53 | -0.19 |
| Mar | 3.27 | 3.28 | -0.01 |
| Apr | 4.58 | 4.76 | -0.18 |
| May | 4.37 | 4.58 | -0.21 |
| Jun | 5.03 | 5.09 | -0.06 |
| Jul | 4.14 | 4.20 | -0.06 |
| Aug | 3.16 | 3.11 | 0.05 |
| Sep | 2.95 | 3.05 | -0.10 |
| Oct | 3.58 | 3.73 | -0.15 |
| Nov | 3.55 | 3.52 | 0.03 |
| Dec | 2.83 | 2.95 | -0.12 |
42.69 | 43.81 | -1.12 |