| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.00 | 3.17 | -0.17 |
| Feb | 2.64 | 2.74 | -0.10 |
| Mar | 3.13 | 3.26 | -0.13 |
| Apr | 3.26 | 3.40 | -0.14 |
| May | 3.50 | 3.74 | -0.24 |
| Jun | 4.24 | 4.20 | 0.04 |
| Jul | 4.33 | 4.41 | -0.08 |
| Aug | 4.30 | 4.25 | 0.05 |
| Sep | 4.12 | 4.10 | 0.02 |
| Oct | 4.58 | 4.80 | -0.22 |
| Nov | 3.28 | 3.46 | -0.18 |
| Dec | 3.67 | 3.92 | -0.25 |
44.05 | 45.45 | -1.40 |