| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.52 | 3.76 | -0.24 |
| Feb | 3.57 | 3.55 | 0.02 |
| Mar | 4.64 | 4.67 | -0.03 |
| Apr | 5.13 | 5.17 | -0.04 |
| May | 5.14 | 5.14 | 0.00 |
| Jun | 4.25 | 4.43 | -0.18 |
| Jul | 4.17 | 3.94 | 0.23 |
| Aug | 3.03 | 2.78 | 0.25 |
| Sep | 3.23 | 3.36 | -0.13 |
| Oct | 3.91 | 3.81 | 0.10 |
| Nov | 4.46 | 4.19 | 0.27 |
| Dec | 4.01 | 4.12 | -0.11 |
49.06 | 48.92 | 0.14 |