| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.68 | 3.66 | 0.02 |
| Feb | 3.23 | 3.15 | 0.08 |
| Mar | 4.02 | 3.85 | 0.17 |
| Apr | 3.64 | 3.62 | 0.02 |
| May | 4.00 | 4.10 | -0.10 |
| Jun | 4.68 | 4.76 | -0.08 |
| Jul | 5.75 | 5.48 | 0.27 |
| Aug | 5.92 | 5.69 | 0.23 |
| Sep | 6.56 | 6.46 | 0.10 |
| Oct | 3.45 | 3.63 | -0.18 |
| Nov | 3.30 | 3.27 | 0.03 |
| Dec | 3.44 | 3.34 | 0.10 |
51.67 | 51.01 | 0.66 |