| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.70 | 1.65 | 0.05 |
| Feb | 1.91 | 1.89 | 0.02 |
| Mar | 3.14 | 3.10 | 0.04 |
| Apr | 5.02 | 4.87 | 0.15 |
| May | 6.56 | 6.68 | -0.12 |
| Jun | 5.47 | 5.75 | -0.28 |
| Jul | 4.33 | 4.44 | -0.11 |
| Aug | 3.58 | 3.58 | 0.00 |
| Sep | 4.61 | 4.71 | -0.10 |
| Oct | 3.66 | 3.67 | -0.01 |
| Nov | 3.14 | 3.06 | 0.08 |
| Dec | 2.33 | 2.26 | 0.07 |
45.45 | 45.66 | -0.21 |