| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.20 | 3.24 | -0.04 |
| Feb | 2.86 | 2.65 | 0.21 |
| Mar | 3.23 | 3.02 | 0.21 |
| Apr | 3.71 | 3.67 | 0.04 |
| May | 4.26 | 4.11 | 0.15 |
| Jun | 4.79 | 4.72 | 0.07 |
| Jul | 5.18 | 5.03 | 0.15 |
| Aug | 4.54 | 4.66 | -0.12 |
| Sep | 3.94 | 3.79 | 0.15 |
| Oct | 4.92 | 4.80 | 0.12 |
| Nov | 3.67 | 3.68 | -0.01 |
| Dec | 3.86 | 3.92 | -0.06 |
48.16 | 47.29 | 0.87 |