| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.55 | 4.49 | 0.06 |
| Feb | 4.55 | 4.45 | 0.10 |
| Mar | 5.18 | 5.32 | -0.14 |
| Apr | 5.08 | 4.92 | 0.16 |
| May | 4.78 | 4.54 | 0.24 |
| Jun | 4.43 | 4.57 | -0.14 |
| Jul | 3.67 | 3.57 | 0.10 |
| Aug | 3.21 | 3.20 | 0.01 |
| Sep | 3.66 | 3.70 | -0.04 |
| Oct | 4.68 | 4.76 | -0.08 |
| Nov | 4.07 | 4.13 | -0.06 |
| Dec | 5.22 | 5.19 | 0.03 |
53.08 | 52.84 | 0.24 |