| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.57 | 3.42 | 0.15 |
| Feb | 3.21 | 3.08 | 0.13 |
| Mar | 3.66 | 3.76 | -0.10 |
| Apr | 3.91 | 3.90 | 0.01 |
| May | 4.19 | 4.02 | 0.17 |
| Jun | 4.05 | 4.31 | -0.26 |
| Jul | 4.94 | 4.67 | 0.27 |
| Aug | 4.16 | 4.12 | 0.04 |
| Sep | 3.56 | 3.53 | 0.03 |
| Oct | 3.18 | 2.57 | 0.61 |
| Nov | 3.10 | 2.91 | 0.19 |
| Dec | 3.58 | 3.65 | -0.07 |
45.11 | 43.94 | 1.17 |