| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.87 | 2.99 | -0.12 |
| Feb | 2.34 | 2.51 | -0.17 |
| Mar | 3.26 | 3.25 | 0.01 |
| Apr | 4.58 | 4.76 | -0.18 |
| May | 4.37 | 4.57 | -0.20 |
| Jun | 5.00 | 5.07 | -0.07 |
| Jul | 4.11 | 4.20 | -0.09 |
| Aug | 3.14 | 3.11 | 0.03 |
| Sep | 2.91 | 3.05 | -0.14 |
| Oct | 3.58 | 3.72 | -0.14 |
| Nov | 3.54 | 3.53 | 0.01 |
| Dec | 2.81 | 2.93 | -0.12 |
42.51 | 43.69 | -1.18 |