| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.27 | 2.21 | 0.06 |
| Feb | 1.92 | 1.95 | -0.03 |
| Mar | 2.73 | 2.72 | 0.01 |
| Apr | 3.26 | 3.20 | 0.06 |
| May | 3.32 | 3.11 | 0.21 |
| Jun | 4.04 | 3.81 | 0.23 |
| Jul | 3.95 | 3.86 | 0.09 |
| Aug | 3.66 | 3.62 | 0.04 |
| Sep | 3.87 | 3.75 | 0.12 |
| Oct | 3.73 | 3.64 | 0.09 |
| Nov | 2.92 | 2.76 | 0.16 |
| Dec | 2.75 | 2.61 | 0.14 |
38.42 | 37.24 | 1.18 |