| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.55 | 3.77 | -0.22 |
| Feb | 3.29 | 3.45 | -0.16 |
| Mar | 3.76 | 3.93 | -0.17 |
| Apr | 3.14 | 3.28 | -0.14 |
| May | 3.93 | 3.99 | -0.06 |
| Jun | 4.77 | 4.63 | 0.14 |
| Jul | 6.36 | 6.25 | 0.11 |
| Aug | 6.91 | 7.08 | -0.17 |
| Sep | 7.70 | 8.31 | -0.61 |
| Oct | 4.75 | 4.80 | -0.05 |
| Nov | 3.46 | 3.60 | -0.14 |
| Dec | 3.64 | 3.72 | -0.08 |
55.26 | 56.81 | -1.55 |