| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.56 | 1.55 | 0.01 |
| Feb | 1.57 | 1.53 | 0.04 |
| Mar | 2.07 | 2.10 | -0.03 |
| Apr | 3.58 | 3.67 | -0.09 |
| May | 4.30 | 4.19 | 0.11 |
| Jun | 5.36 | 5.47 | -0.11 |
| Jul | 3.76 | 3.64 | 0.12 |
| Aug | 4.14 | 3.99 | 0.15 |
| Sep | 3.66 | 3.76 | -0.10 |
| Oct | 2.89 | 2.87 | 0.02 |
| Nov | 2.32 | 2.28 | 0.04 |
| Dec | 1.88 | 1.92 | -0.04 |
37.09 | 36.97 | 0.12 |