| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.76 | 2.68 | 0.08 |
| Feb | 2.26 | 2.25 | 0.01 |
| Mar | 3.38 | 3.20 | 0.18 |
| Apr | 4.74 | 4.61 | 0.13 |
| May | 4.86 | 4.74 | 0.12 |
| Jun | 4.33 | 4.61 | -0.28 |
| Jul | 3.94 | 3.75 | 0.19 |
| Aug | 3.26 | 3.16 | 0.10 |
| Sep | 3.28 | 3.15 | 0.13 |
| Oct | 3.10 | 2.99 | 0.11 |
| Nov | 3.51 | 3.58 | -0.07 |
| Dec | 2.65 | 2.66 | -0.01 |
42.07 | 41.38 | 0.69 |