| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.59 | 0.47 | 0.12 |
| Feb | 0.71 | 0.56 | 0.15 |
| Mar | 1.28 | 1.15 | 0.13 |
| Apr | 2.48 | 2.22 | 0.26 |
| May | 3.54 | 3.39 | 0.15 |
| Jun | 4.16 | 4.20 | -0.04 |
| Jul | 3.67 | 3.52 | 0.15 |
| Aug | 3.26 | 3.19 | 0.07 |
| Sep | 2.92 | 2.99 | -0.07 |
| Oct | 2.04 | 2.00 | 0.04 |
| Nov | 1.00 | 0.86 | 0.14 |
| Dec | 0.79 | 0.69 | 0.10 |
26.44 | 25.24 | 1.20 |