| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.62 | 3.48 | 0.14 |
| Feb | 4.01 | 3.80 | 0.21 |
| Mar | 5.10 | 4.91 | 0.19 |
| Apr | 5.44 | 5.25 | 0.19 |
| May | 5.53 | 5.28 | 0.25 |
| Jun | 3.70 | 3.49 | 0.21 |
| Jul | 3.86 | 3.73 | 0.13 |
| Aug | 3.76 | 3.31 | 0.45 |
| Sep | 3.55 | 3.40 | 0.15 |
| Oct | 4.25 | 4.12 | 0.13 |
| Nov | 4.86 | 4.83 | 0.03 |
| Dec | 4.80 | 4.86 | -0.06 |
52.48 | 50.46 | 2.02 |