| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.59 | 0.52 | 0.07 |
| Feb | 0.72 | 0.61 | 0.11 |
| Mar | 1.30 | 1.20 | 0.10 |
| Apr | 2.50 | 2.36 | 0.14 |
| May | 3.52 | 3.46 | 0.06 |
| Jun | 4.13 | 4.19 | -0.06 |
| Jul | 3.65 | 3.48 | 0.17 |
| Aug | 3.22 | 3.15 | 0.07 |
| Sep | 2.88 | 2.93 | -0.05 |
| Oct | 2.04 | 2.05 | -0.01 |
| Nov | 1.01 | 0.91 | 0.10 |
| Dec | 0.80 | 0.72 | 0.08 |
26.36 | 25.58 | 0.78 |