| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.69 | 0.81 | -0.12 |
| Feb | 0.81 | 0.90 | -0.09 |
| Mar | 1.45 | 1.56 | -0.11 |
| Apr | 2.75 | 2.92 | -0.17 |
| May | 4.14 | 4.30 | -0.16 |
| Jun | 4.48 | 4.45 | 0.03 |
| Jul | 4.22 | 4.50 | -0.28 |
| Aug | 4.01 | 4.18 | -0.17 |
| Sep | 3.22 | 3.37 | -0.15 |
| Oct | 2.80 | 2.83 | -0.03 |
| Nov | 1.53 | 1.66 | -0.13 |
| Dec | 1.04 | 1.17 | -0.13 |
31.14 | 32.65 | -1.51 |