| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 5.08 | 4.92 | 0.16 |
| Feb | 4.67 | 4.80 | -0.13 |
| Mar | 5.06 | 4.99 | 0.07 |
| Apr | 4.45 | 4.49 | -0.04 |
| May | 3.43 | 3.31 | 0.12 |
| Jun | 5.11 | 4.91 | 0.20 |
| Jul | 5.73 | 5.95 | -0.22 |
| Aug | 4.82 | 4.96 | -0.14 |
| Sep | 4.00 | 4.05 | -0.05 |
| Oct | 3.15 | 2.98 | 0.17 |
| Nov | 4.03 | 3.98 | 0.05 |
| Dec | 5.28 | 5.26 | 0.02 |
54.81 | 54.60 | 0.21 |