| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.68 | 3.62 | 0.06 |
| Feb | 4.12 | 4.10 | 0.02 |
| Mar | 5.06 | 4.92 | 0.14 |
| Apr | 5.63 | 5.42 | 0.21 |
| May | 5.43 | 5.43 | 0.00 |
| Jun | 3.59 | 3.41 | 0.18 |
| Jul | 3.74 | 3.86 | -0.12 |
| Aug | 3.55 | 3.33 | 0.22 |
| Sep | 3.21 | 3.18 | 0.03 |
| Oct | 4.40 | 4.21 | 0.19 |
| Nov | 4.67 | 4.90 | -0.23 |
| Dec | 5.10 | 5.16 | -0.06 |
52.18 | 51.54 | 0.64 |